Plumas County Population Charts

According to the most recent Plumas County California demographics data available from the United States Census Bureau released in the American Community Survey in December of 2019, Figure 1 Plumas County depicts it has a population of 18,699 which is the second smallest when sorted by population of all the other counties in the metropolitan area. The county with the highest population in the area is Placer County which depicts a population of 380,077 ( considerably bigger). Figure 3 uses the Plumas County population data for a comparison of the population growth/population change estimates from the years 2010 to 2018 and Plumas County California shows a decline of 1,308 (7%).

The total Plumas County California greater area population percent change for all areas for the years from 2010 to 2018 is shown in Figure 4 and for Plumas County depicts it has a population percent change of -6.5% which is less than most other counties in the metropolitan area.

Looking at the Plumas County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Plumas County California shows it has 7 people per square mile which is less than most other counties in the greater region. The next higher when ranked by population density is Nevada County substantially bigger with population density of 103. The county with the highest population density in the area is Placer County which depicts a people per square mile of 270 ( considerably bigger). Figure 6 provides Plumas County demographics for the overall median age for all people in the region and Plumas County depicts it has an overall median age of all people of 52.2 which is the second most of all the counties in the metro area. The county with the highest overall median age of all people in the area is Sierra County which depicts an age of 55.5 (6.3% larger). The Plumas County California population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. Plumas County California shows a median age of men about the same size as the median age of women.

The next demographic analysis (Figure 8) looks at large generational Plumas County population groups (and can be useful internet research for employment related research or identifying areas with retirees). Key findings in this chart includes that Plumas County California has the percentage of people less than 20 years of age less than most other counties in the surrounding region at 19.1% of the total. Second, it has the second smallest in order of people less than 20 years of age of all the other counties in the local area when sorted by people between 20 and 29 years old at 8.4% of the total. Third, it has the smallest proportion of people between 30 and 39 years old at 10.3% of the total. Also, it has the largest proportion of people between 60 and 69 years old at 21.5% of the total and is ranked #1. In addition, it has one of the largest proportions of people 70 years of age or older at 16.3% of the total and is ranked #3. Only #2 Nevada County (16.5%), and #1 Sierra County (17.4%) are larger.

Figure 9 illustrates the overall diversity breakdown for Plumas County population and ethnicity groups in the area. (note: Hispanic/Latino is broken out separately in the next diagram and also the group denoted as Native ethnicity includes Native American, and Hawaiian and Other Pacific Islander.) Plumas County California has the percentage of Asian population less than most other counties in the greater region at 1.1% of the total. Figure 10 shows the Plumas County California Hispanic (including non Hispanic whites) population household ethnicity in the region and Plumas County depicts it has a people who are Hispanic or Latino of 8.7% which is the smallest as measured by people who are Hispanic or Latino of all the other counties in the greater region. Figure 11 compares the ratio of the amount of men to the amount of women and depicts total male population only slightly larger as the total female population.

Plumas County Marital Status and Families Charts

Figure 12 shows the detailed marriage characteristics broken down by %residents who are married, never married, single, divorced, and widowed. Plumas County has the smallest proportion of never married percent at 22% of the total. Second, it has one of the largest proportions of percent divorced at 15% of the total and is ranked #2. The only larger county being Sierra County with 16%. Third, it has the largest proportion of percent widowed at 9% of the total and is ranked #1. Figure 14 compares the average household size using the average number of people in a family for Plumas County households. Plumas County depicts it has an average family size of 3.0 which is the second smallest in terms of average family size of all the other counties in the metropolitan area. The county with the highest average family size in the area is Yuba County which shows an average family size of 3.4 (16.5% larger).

Figure 15 shows the overall ratio of Plumas County households for families to the total number of Plumas County households and that Plumas County shows it has a percent of people who are in a family of 60% which is less than most other counties in the metro area. The county with the highest percent of people who are in a family in the area is Yuba County which indicates a families percent of 71% (17.6% larger).

Looking at Plumas County households that are headed by a husband and wife as a percent of all families in Figure 16, Plumas County shows it has a percent of people in a husband and wife family of 78% which is less than most other counties in the surrounding region. The county with the highest percent of people in a husband and wife family in the area is Placer County which shows a husband and wife family percent of 82% (only about 5.4% larger).

Plumas County Mothers and Children Charts

The next section of charts provide a detailed look at mothers and baby births that occurred over the past 12 months. Figure 18 shows the rate of women aged 15 to 50 years old who have given birth. Plumas County shows it has a percent of women who gave birth of 4.0% which is the second smallest when ranked by percent of women who gave birth of all the other counties in the metro area. The county with the highest percent of women who gave birth in the area is Lassen County which depicts a birth rate of 8.5% (about twice as large). Figure 19 shows the breakdown of the mother's age for all baby births that occurred in the last 12 months and it has the largest proportion of percent of births to mothers aged 20 to 24 at 43% of the total and is ranked #1. Second, it has the second smallest in order of percent of births to mothers aged 15 to 19 of all the other counties in the greater region when ranked by percent of births to mothers aged 25 to 29 at 7% of the total. Third, it has the largest proportion of percent of births to mothers aged 40 to 44 at 13% of the total and is ranked #1.

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) Plumas County shows it has a percent of unwed women who have given birth of 65% which is more than all other counties in the greater region.

Unwed mothers who have given birth in the last 12 months are also shown broken down by age group in Figure 24. Plumas County California has one of the largest proportions of unwed mothers aged 20 to 34 at 80.0% of the total and is ranked #2. The only larger county being Butte County with 84.5%. Second, it has one of the largest proportions of unwed mothers aged 35 to 50 at 20.0% of the total and is ranked #3. Only #2 Lassen County (21.1%), and #1 Nevada County (26.7%) are larger. Figure 25 shows the comparative demographic rate of unwed mothers who have given birth in the last 12 months are broken down by racial group (including the Hispanic birth rate.) Plumas County California has the largest proportion of White unwed birth rate at 59.8% of the total and is ranked #1. Second, it has the largest proportion of Hispanic unwed birth rate at 100.0% of the total and is ranked #1.

Figure 26 shows unwed mothers in poverty (based on median household income definition) who have given birth in the last 12 months. Plumas County California has the percentage of unwed births and living below poverty level in the middle range of other counties in the metropolitan area at 43.8% of the total. Second, it has the largest proportion of unwed births and living between 100% and 199% of poverty level at 56.2% of the total and is ranked #1.

For all births to unwed mothers, Figure 27 breaks down the education level of the mother by less than high school through college and post graduate attainment it has the largest proportion of percent of unwed mothers with some college or an associates degree at 66% of the total and is ranked #1. Second, it has the largest proportion of percent of unwed mothers with a Bachelors degree at 14% of the total and is ranked #1. Third, it has the largest proportion of percent of unwed mothers with a graduate or professional degree at 20% of the total and is ranked #1.

Plumas County Marital Status Charts

The next set of demographic data looks at the marital status for Plumas County households which is useful for internet research. Figure 28 compares the total number of single people in each area. Plumas County depicts it has a percent of people who are single for any reason of 46% which is less than most other counties in the area. The county with the highest percent of people who are single for any reason in the area is Butte County which depicts a percent single of 56% (21.8% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Plumas County is about 8.7% smaller. Also, compared to the state of California, percent of people who are single for any reason of 51%, Plumas County is about 11.4% smaller.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Plumas County California has the smallest proportion of percent never married at 22% of the total. Second, it has one of the largest proportions of percent divorced at 15% of the total and is ranked #2. The only larger county being Sierra County with 16%. Third, it has the largest proportion of percent widowed at 9% of the total and is ranked #1. Figure 31 shows the demographics for the number of single men adults in each area broken out by never married, divorced and widowed. Plumas County California has the smallest proportion of men who have never been married at 26% of the total. Second, it has one of the largest proportions of men who are divorced at 13% of the total and is ranked #2. The only larger county being Sierra County with 16%. Third, it has the largest proportion of men who are widowed at 6% of the total and is ranked #1. Figure 32 shows the number of single women adults in each area broken out by never married, divorced and widowed. Plumas County California has the percentage of women who have never been married the second smallest as measured by percent of women who have never been married of all the other counties in the metro area at 18% of the total. Second, it has one of the largest proportions of women who are divorced at 17% of the total and is ranked #2. The only larger county being Sierra County with 17%. Third, it has the largest proportion of women who are widowed at 11% of the total and is ranked #1.

Figure 33 shows the Plumas County demographics for the ratio of the number of single men between the age of 18 and 65, in each area, broken down by age group for the Plumas County metro area. Plumas County California has the percentage of single men 18 to 24 the second smallest when sorted by percent of single men 18 to 24 of all the other counties in the metropolitan area at 23% of the total. Second, it has the second smallest as measured by percent of single men 18 to 24 of all the other counties in the local area in terms of single men 25 to 29 at 13% of the total. Third, it has the smallest proportion of single men 40 to 44 at 4% of the total. Also, it has the largest proportion of single men 50 to 60 at 23% of the total and is ranked #1. In addition, it has the largest proportion of single men 60 to 65 at 12% of the total and is ranked #1.

Figure 34 shows the Plumas County population data for the ratio of the number of single women between the age of 18 and 65, in each area, broken down by age group for the Plumas County metro area. Plumas County California has the percentage of single women 18 to 24 the second smallest as measured by percent of single women 18 to 24 of all the other counties in the local area at 22% of the total. Second, it has in the center range of other counties in the greater region as measured by single women 25 to 29 at 13% of the total. Third, it has the second smallest in terms of percent of single women 18 to 24 of all the other counties in the metro area in order of single women 30 to 34 at 5% of the total. Also, it has the smallest proportion of single women 35 to 39 at 3% of the total. In addition, it has the largest proportion of single women 45 to 49 at 8% of the total and is ranked #1. Furthermore, it has the largest proportion of single women 60 to 65 at 17% of the total and is ranked #1.

Plumas County Citizenship Demographics Charts

The next section of demographic information provides detailed data Plumas County residents including: immigrants, citizenship, immigration, country of origin, non citizens and more. To start, Figure 35 shows a high level view of citizenship. Plumas County California has one of the largest proportions of citizens born In US at 96% of the total and is ranked #2. The only larger county being Sierra County with 98%. Second, it has less than most other counties in the local area in terms of citizens by naturalization at 2% of the total. Third, it has the second smallest when ranked by percent of citizens born In US of all the other counties in the metro area in order of non-citizens at 2% of the total.

In Figure 37, the demographic percentage of Plumas County residents who were not born in the United States is shown (i.e. percent foreign born.) Plumas County depicts it has a percent of population who was born in another country of 4.0% which is the second smallest when sorted by percent of population who was born in another country of all the other counties in the greater region. The county with the highest percent of population who was born in another country in the area is Yuba County which depicts a percent born outside United States of 12.5% (approximately 3.1 times bigger). Comparing percent of population who was born in another country to the United States average of 13.5%, Plumas County is approximately a third the size. Also, compared with the state of California, percent of population who was born in another country of 26.9%, Plumas County is approximately a sixth the size.

Figure 39 provides a detailed analysis of non citizens by breaking them into two age groups: Under 18 and over the age of 18. Plumas County California has the percentage of non citizens under 18 years old the second smallest when ranked by percent of non citizens under 18 years old of all the other counties in the metro area at 0% of the total. Second, it has one of the largest proportions of non citizens over 18 years old at 100% of the total and is ranked #2. The only larger county being Sierra County with 100%. Figure 40 provides further information for non citizen age by showing a comparison of the median age for all non citizens immigrants. it has a median age of non citizens of 49.2 which is at the top of all other counties in the greater Plumas County region. The next diagram (Figure 41) shows the year of entry that non citizens entered the United States. The year of entry can show the rate of flow at various points of time in the past for when they entered the U.S. it has one of the largest proportions of non citizens who entered the US before 1990 at 40% of the total and is ranked #2. The only larger county being Sierra County with 100%.

For all foreign born people who have gone through naturalization (the process of becoming a legal U.S. resident citizen), Figure 42 shows the year when they became fully naturalized U.S. citizens. has the percentage of people naturalized 2010 to 2014 the second smallest in order of percent of people naturalized 2015 or later of all the other counties in the surrounding region at 13% of the total. Second, it has one of the largest proportions of people naturalized 2005 to 2009 at 24% of the total and is ranked #2. The only larger county being Sierra County with 35%. Third, it has the second smallest in order of percent of people naturalized 2015 or later of all the other counties in the greater region when ranked by people naturalized 2000 to 2004 at 2% of the total. Also, it has one of the largest proportions of people naturalized 1995 to 1999 at 16% of the total and is ranked #2. The only larger county being Yuba County with 17%. In addition, it has the largest proportion of people naturalized 1990 to 1994 at 21% of the total and is ranked #1. Furthermore, it has the second smallest in terms of percent of people naturalized 2015 or later of all the other counties in the local area when ranked by people naturalized before 1990 at 21% of the total.

Plumas County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows Plumas County demographic information for large regions of the world that people from this place originally came from. Plumas County California has one of the largest proportions of from Europe at 22% of the total and is ranked #2. The only larger county being Nevada County with 31%. Second, it has one of the largest proportions of from Oceania at 4% of the total and is ranked #2. The only larger county being Lassen County with 7%.

Figure 44 categorizes the location for where foreign born people originally come from based on very large continental geographic areas. Plumas County California has the percentage of from the Americas the second smallest in terms of percent of people born in Europe of all the other counties in the greater region at 50% of the total.

Figure 45 is a table that breaks out all the people who were foreign born by which large geographic region where they were born. Plumas County California has the largest proportion of people who were born in Western Europe at 13.0% of the total and is ranked #1. Second, it has the largest proportion of people who were born in Eastern Asia at 15.6% of the total and is ranked #1.