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 March of 2022, Figure 1 Plumas County depicts it has a Population 2020 of 18,844 which is the second smallest as measured by population of all the other counties in the local area. The county with the highest population in the area is Placer County which shows a population of 391,799 ( very much bigger). Figure 3 uses the Plumas County population data for a comparison of the population growth/population change estimates from the years 2010 to 2020 and Plumas County California shows a decline of 1,163 (6%).

The total Plumas County California greater area population percent change for all areas for the years from 2010 to 2020 is shown in Figure 4 and for Plumas County depicts it has a Population Change of -5.8% which is less than most other counties in the local 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 as measured by population density is Nevada County considerably bigger with population density of 104. The county with the highest population density in the area is Placer County which shows a people per square mile of 278 ( very much bigger). Figure 6 provides Plumas County demographics for the overall median age for all people in the region and Plumas County depicts it has a Median Age of 51.9 which is the second most median age of all the counties in the greater Plumas County region. The county with the highest overall median age of all people in the area is Sierra County which depicts an age of 54.0 (only about 4.0% 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 the second smallest when sorted by people less than 20 years of age of all the other counties in the metro area at 8.3% of the total. Second, it has the smallest proportion of people between 30 and 39 years old at 9.1% of the total. Third, it has the largest proportion of people between 50 and 59 yeasr old at 20.8% of the total and is ranked #1. Also, it has one of the largest proportions of people between 60 and 69 years old at 17.1% of the total and is ranked #2. The only larger county being Nevada County with 18.2%.

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 Black population less than most other counties in the metro area at 1.2% of the total. Second, it has less than most other counties in the greater region when sorted by Native population at 6.8% of the total. Figure 10 shows the Plumas County California Hispanic (including non Hispanic whites) population household ethnicity in the region and Plumas County shows it has a Hispanic or Latino of 9.3% which is the smallest when sorted by people who are Hispanic or Latino of all the other counties in the surrounding region. Figure 11 compares the ratio of the amount of men to the amount of women and depicts total male population about the same size 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 largest proportion of never married percent at 16% 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 a Family Size of 2.9 which is the second smallest in order of average family size of all the other counties in the greater region. The county with the highest average family size in the area is Yuba County which indicates an average family size of 3.6 (24.9% 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 Families of 60% which is the smallest when ranked by percent of people who are in a family of all the other counties in the metropolitan area. The county with the highest percent of people who are in a family in the area is Placer County which depicts a families percent of 71% (16.6% 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 depicts it has a Married-couple family of 77% which is less than most other counties in the greater region. The county with the highest percent of people in a husband and wife family in the area is Placer County which depicts a husband and wife family percent of 82% (7.3% 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 Birth Rate of 6.4% which is the second most percent of women who have given birth of all the counties in the greater Plumas County region. The county with the highest percent of women who gave birth in the area is Yuba County which depicts a birth rate of 6.9% (8.3% larger). Figure 19 shows the breakdown of the mother's age for all baby births that occurred in the last 12 months and has the percentage of percent of births to mothers aged 15 to 19 the second smallest in order of percent of births to mothers aged 15 to 19 of all the other counties in the metropolitan area at 6% of the total. Second, it has the smallest proportion of percent of births to mothers aged 25 to 29 at 12% of the total. Third, it has the largest proportion of percent of births to mothers aged 35 to 39 at 7% of the total and is ranked #1.

In Figure 20, the demographic data for Plumas County California teenager birth rate is shown (women between the ages of 15 and 19.) Plumas County depicts it has a Teenager Birth Rate of 26% which is the highest of all counties in the greater Plumas County region.

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) Plumas County depicts it has a Unwed Births of 57% which is the highest of all counties in the metropolitan area.

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 the percentage of unwed mothers aged 15 to 19 the second smallest when sorted by percent of unwed births to mothers aged 15 to 19 years old of all the other counties in the metro area at 19.0% of the total. Second, it has the largest proportion of unwed mothers aged 20 to 34 at 36.2% of the total and is ranked #1. 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 one of the largest proportions of Black unwed birth rate at 31.2% of the total and is ranked #2. The only larger county being Nevada County with 31.4%.

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 less than most other counties in the metro area at 9.5% of the total. Second, it has one of the largest proportions of unwed births and living between 100% and 199% of poverty level at 44.8% of the total and is ranked #3. Only #2 Nevada County (47.6%), and #1 Yuba County (47.7%) are larger.

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 one of the largest proportions of percent of unwed mothers with less than high school education at 45% of the total and is ranked #2. The only larger county being Nevada County with 51%. Second, it has less than most other counties in the local area when ranked by percent of unwed mothers who are a high school graduate or equivalent at 23% of the total. Third, it has one of the largest proportions of percent of unwed mothers with some college or an associates degree at 14% of the total and is ranked #2. The only larger county being Butte County with 21%. Also, it has the largest proportion of percent of unwed mothers with a Bachelors degree at 13% 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 shows it has a Total Single People of 47% which is in the middle range of other counties in the metropolitan area. The county with the highest percent of people who are single for any reason in the area is Butte County which shows a percent single of 56% (18.7% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Plumas County is about 6.2% smaller. Also, measured against the state of California, percent of people who are single for any reason of 51%, Plumas County is about 8.6% smaller.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Plumas County California has the largest proportion of percent never married at 16% of the total and is ranked #1. Second, it has one of the largest proportions of percent divorced at 7% of the total and is ranked #2. The only larger county being Nevada County with 7%. 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 one of the largest proportions of men who have never been married at 13% of the total and is ranked #2. The only larger county being Sierra County with 15%. Second, it has the largest proportion of men who are divorced at 4% 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 largest proportion of women who have never been married at 18% 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 ranked by percent of single men 18 to 24 of all the other counties in the greater region at 16% of the total. Second, it has one of the largest proportions of single men 25 to 29 at 14% of the total and is ranked #3. Only #2 Lassen County (14%), and #1 Sierra County (17%) are larger. Third, it has the second smallest in terms of percent of single men 18 to 24 of all the other counties in the local area when sorted by single men 30 to 34 at 3% of the total. Also, it has one of the largest proportions of single men 45 to 49 at 24% of the total and is ranked #2. The only larger county being Sierra County with 27%.

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 one of the largest proportions of single women 18 to 24 at 15% of the total and is ranked #2. The only larger county being Yuba County with 16%. Second, it has the smallest proportion of single women 30 to 34 at 6% of the total. Third, it has the largest proportion of single women 35 to 39 at 9% of the total and is ranked #1. Also, it has the largest proportion of single women 40 to 44 at 8% of the total and is ranked #1. In addition, it has the largest proportion of single women 50 to 60 at 15% 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 the percentage of citizens born In US less than most other counties in the metro area at 3% of the total. Second, it has the second smallest as measured by percent of citizens born In US of all the other counties in the area in order of citizens by naturalization at 1% of the total. The next chart (Figure 36) shows for all citizens what the original place of birth was for people who were born in a foreign country and has the smallest proportion of birthplace in West at 1% 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 shows it has a Percent Foreign Born of 4.0% which is the second smallest when ranked by percent of population who was born in another country of all the other counties in the local area. 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 12.1% (approximately 3.0 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, in comparison with the state of California, percent of population who was born in another country of 26.6%, 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 shows a percent of non citizens under 18 years old only about 5.0% the size as the percent of non citizens over 18 years old. 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 Non Citizen Median Age of 50.6 which is the highest of all 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. has the percentage of non citizens who entered the US between 1990 to 1999 less than most other counties in the metro area at 23% of the total. Second, it has one of the largest proportions of non citizens who entered the US before 1990 at 34% of the total and is ranked #2. The only larger county being Lassen County with 46%.

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 2015 or later in the center range of other counties in the local area at 12% of the total. Second, it has the smallest proportion of people naturalized 2010 to 2014 at 8% of the total. Third, it has the largest proportion of people naturalized 2005 to 2009 at 42% of the total and is ranked #1. Also, it has the second smallest when sorted by percent of people naturalized 2015 or later of all the other counties in the surrounding region in order of people naturalized 2000 to 2004 at 7% of the total. In addition, it has the largest proportion of people naturalized 1990 to 1994 at 11% of the total and is ranked #1. Furthermore, it has the smallest proportion of people naturalized before 1990 at 11% 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 21% of the total and is ranked #3. Only #2 Placer County (21%), and #1 Nevada County (34%) are larger. Second, it has one of the largest proportions of from Asia at 32% of the total and is ranked #3. Only #2 Butte County (33%), and #1 Placer County (49%) are larger. Third, it has one of the largest proportions of from Oceania at 6% of the total and is ranked #2. The only larger county being Lassen County with 7%. Also, it has the second smallest as measured by percent of people born in Europe of all the other counties in the area in terms of from the Americas at 41% of the total.

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 Oceania the second smallest in terms of percent of people born in Europe of all the other counties in the metropolitan area at 41% 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 Southern Europe at 10.5% of the total and is ranked #1. Second, it has the largest proportion of people who were born in Eastern Asia at 28.0% of the total and is ranked #1.