St Croix County Population Charts

According to the most recent St Croix County Wisconsin demographics data available from the United States Census Bureau released in the American Community Survey in December of 2020, Figure 1 St Croix County shows it has a Population 2019 of 88,732 which is in the center range of other counties in the greater region. The county with the highest population in the area is Ramsey County which depicts a population of 544,442 ( appreciably bigger). Figure 3 uses the St Croix County population data for a comparison of the population growth/population change estimates from the years 2010 to 2019 and St Croix County Wisconsin shows an increase of 4,387 (5%).

The total St Croix County Wisconsin greater area population percent change for all areas for the years from 2010 to 2019 is shown in Figure 4 and for St Croix County depicts it has a Population Change of 5.2% which is in the mid point range of other counties in the greater region.

Looking at the St Croix County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, St Croix County Wisconsin depicts it has 123 people per square mile which is in the mid range of other counties in the metro area. The next higher in terms of population density is Washington County considerably bigger with population density of 666. The county with the highest population density in the area is Ramsey County which shows a people per square mile of 3,579 ( considerably bigger). Figure 6 provides St Croix County demographics for the overall median age for all people in the region and St Croix County shows it has a Median Age of 38.9 which is the third most median age of all other counties in the greater St Croix County region. The county with the highest overall median age of all people in the area is Polk County which depicts an age of 45.6 (17.2% larger). The St Croix County Wisconsin population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. St Croix County Wisconsin depicts a median age of men only about 3.9% smaller as the median age of women.

The next demographic analysis (Figure 8) looks at large generational St Croix 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 St Croix County Wisconsin has the percentage of people less than 20 years of age the second smallest when ranked by people less than 20 years of age of all the other counties in the area at 10.3% of the total. Second, it has the largest proportion of people between 30 and 39 years old at 13.8% of the total and is ranked #1. Third, it has the second smallest when ranked by people less than 20 years of age of all the other counties in the greater region in order of people between 60 and 69 years old at 8.8% of the total.

Figure 9 illustrates the overall diversity breakdown for St Croix 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.) St Croix County Wisconsin has the percentage of Black population the second smallest when sorted by people who are white of all the other counties in the metropolitan area at 1.0% of the total. Second, it has the smallest proportion of Asian population at 0.2% of the total. Third, it has the second smallest in order of people who are white of all the other counties in the local area when sorted by Native population at 2.1% of the total. Figure 10 shows the St Croix County Wisconsin Hispanic (including non Hispanic whites) population household ethnicity in the region and St Croix County depicts it has a Hispanic or Latino of 2.4% which is in the mid range of other counties in the surrounding region. Figure 11 compares the ratio of the amount of men to the amount of women and shows total male population about the same size as the total female population.

St Croix 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. St Croix County has the percentage of total percent married the second smallest in terms of total percent of people married of all the other counties in the metropolitan area at 26% of the total. Second, it has the smallest proportion of percent divorced at 4% of the total. Figure 14 compares the average household size using the average number of people in a family for St Croix County households. St Croix County depicts it has a Family Size of 3.1 which is in the center range of other counties in the metropolitan area. The county with the highest average family size in the area is Ramsey County which depicts an average family size of 3.4 (9.2% larger).

Figure 15 shows the overall ratio of St Croix County households for families to the total number of St Croix County households and that St Croix County depicts it has a Families of 71% which is the second most families percent of all the counties in the greater St Croix County region. The county with the highest percent of people who are in a family in the area is Washington County which depicts a families percent of 72% ( about the same size).

Looking at St Croix County households that are headed by a husband and wife as a percent of all families in Figure 16, St Croix County shows it has a Married-couple family of 83% which is the second most husband and wife family percent of all the counties in the greater St Croix County region. The county with the highest percent of people in a husband and wife family in the area is Pierce County which depicts a husband and wife family percent of 84% ( about the same size). Figure 17 shows St Croix County demographics for the head of household for each place using a breakdown of married-couple, male-headed alone, and female-headed alone. St Croix County Wisconsin has the smallest proportion of households at 5.8% of the total.

St Croix 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. St Croix County shows it has a Birth Rate of 5.6% which is the third most percent of women who have given birth of all other counties in the greater St Croix County region. The county with the highest percent of women who gave birth in the area is Ramsey County which depicts a birth rate of 6.5% (15.7% 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 in the mid point range of other counties in the metropolitan area at 15% of the total. 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 surrounding region when sorted by percent of births to mothers aged 20 to 24 at 22% of the total.

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) St Croix County depicts it has a Unwed Births of 15% which is the smallest when sorted by percent of unwed women who have given birth of all the other counties in the local area. The county with the highest percent of unwed women who have given birth in the area is Polk County which depicts an unwed mother birth rate of 34% (approximately 2.3 times bigger).

The next chart, Figure 22, shows the percentage of unwed mothers who are also on public assistance. St Croix County depicts it has a Unwed birth and on public assistance of 15.3% which is the third most percent of unwed women who gave birth and are on public assistance of all other counties in the greater St Croix County region. The county with the highest percent of unwed women who have given birth and are on public assistance in the area is Washington County which depicts a percent of unwed women who gave birth and are on public assistance of 21.1% (38.0% larger).

Unwed mothers who have given birth in the last 12 months are also shown broken down by age group in Figure 24. St Croix County Wisconsin has the smallest proportion of unwed mothers aged 15 to 19 at 62.4% of the total. Second, it has the largest proportion of unwed mothers aged 20 to 34 at 37.6% 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.) St Croix County Wisconsin has the largest proportion of White unwed birth rate at 100.0% of the total and is ranked #1. Second, it has less than most other counties in the surrounding region as measured by Black unwed birth rate at 42.6% of the total. Third, it has one of the largest proportions of Hispanic unwed birth rate at 25.0% of the total and is ranked #3. Only #2 Ramsey County (37.0%), and #1 Dunn County (100.0%) are larger.

Figure 26 shows unwed mothers in poverty (based on median household income definition) who have given birth in the last 12 months. St Croix County Wisconsin has the percentage of unwed births and living below poverty level in the mid range of other counties in the local area at 27.1% of the total. Second, it has less than most other counties in the greater region as measured by unwed births and living between 100% and 199% of poverty level at 34.7% of the total.

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 has the percentage of percent of unwed mothers with less than high school education less than most other counties in the surrounding region at 34% of the total. Second, it has the largest proportion of percent of unwed mothers who are a high school graduate or equivalent at 58% of the total and is ranked #1. Third, it has the second smallest in order of percent of unwed mothers with less than high school education of all the other counties in the local area when ranked by percent of unwed mothers with some college or an associates degree at 2% of the total. Also, it has the largest proportion of percent of unwed mothers with a Bachelors degree at 5% of the total and is ranked #1.

St Croix County Marital Status Charts

The next set of demographic data looks at the marital status for St Croix County households which is useful for internet research. Figure 28 compares the total number of single people in each area. St Croix County indicates it has a Total Single People of 40% which is the smallest as measured by percent of people who are single for any reason of all the other counties in the local area. The county with the highest percent of people who are single for any reason in the area is Ramsey County which shows a percent single of 55% (37.5% larger). Comparing percent of people who are single for any reason to the United States average of 50%, St Croix County is approximately three-fourths the size. Also, versus the state of Wisconsin, percent of people who are single for any reason of 48%, St Croix County is about 22.0% smaller.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. St Croix County Wisconsin has the percentage of percent never married less than most other counties in the surrounding region at 10% of the total. Second, it has the smallest proportion of percent divorced at 4% of the total. Figure 31 shows the demographics for the number of single men adults in each area broken out by never married, divorced and widowed. St Croix County Wisconsin has the smallest proportion of men who are divorced at 1% of the total.

Figure 33 shows the St Croix 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 St Croix County metro area. St Croix County Wisconsin has the percentage of single men 18 to 24 in the center range of other counties in the area at 12% of the total. Second, it has the largest proportion of single men 30 to 34 at 12% of the total and is ranked #1.

Figure 34 shows the St Croix 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 St Croix County metro area. St Croix County Wisconsin has one of the largest proportions of single women 30 to 34 at 9% of the total and is ranked #2. The only larger county being Polk County with 9%. Second, it has the largest proportion of single women 40 to 44 at 8% of the total and is ranked #1.

St Croix County Citizenship Demographics Charts

The next section of demographic information provides detailed data St Croix County residents including: immigrants, citizenship, immigration, country of origin, non citizens and more. To start, Figure 35 shows a high level view of citizenship. St Croix County Wisconsin has the percentage of citizens born In US in the center range of other counties in the greater region at 2% of the total. Second, it has the second smallest in order of percent of citizens born In US of all the other counties in the surrounding region in terms 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 it has one of the largest proportions of birthplace in northeast US at 47% of the total and is ranked #2. The only larger county being Pierce County with 50%. Second, it has the smallest proportion of birthplace in West at 0% of the total.

In Figure 37, the demographic percentage of St Croix County residents who were not born in the United States is shown (i.e. percent foreign born.) St Croix County depicts it has a Percent Foreign Born of 2.6% which is less than most other counties in the local area. The county with the highest percent of population who was born in another country in the area is Ramsey County which depicts a percent born outside United States of 16.0% ( very much bigger). Comparing percent of population who was born in another country to the United States average of 13.6%, St Croix County is approximately a fifth the size. Also, benchmarked against the state of Wisconsin, percent of population who was born in another country of 5.0%, St Croix County is approximately half 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. St Croix County Wisconsin shows a percent of non citizens under 18 years old approximately an eigth 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 36.8 which is the third most median age of non citizens of all other counties in the greater St Croix County region. The county with the highest median age of non citizens in the area is Polk County which depicts a median age of 45.8 (24.5% larger). 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 smallest proportion of non citizens who entered the US after 2010 at 21% of the total. Second, it has the largest proportion of non citizens who entered the US between 2000 to 2009 at 55% of the total and is ranked #1. Third, it has the smallest proportion of non citizens who entered the US between 1990 to 1999 at 9% of the total. Also, it has one of the largest proportions of non citizens who entered the US before 1990 at 15% of the total and is ranked #2. The only larger county being Polk County with 19%.

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. it has the largest proportion of people naturalized 2015 or later at 19% of the total and is ranked #1. Second, it has less than most other counties in the metro area when sorted by people naturalized 2010 to 2014 at 10% of the total. Third, it has the second smallest when sorted by percent of people naturalized 2015 or later of all the other counties in the local area when sorted by people naturalized 2000 to 2004 at 12% of the total. Also, it has the largest proportion of people naturalized 1995 to 1999 at 15% of the total and is ranked #1.

St Croix County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows St Croix County demographic information for large regions of the world that people from this place originally came from. St Croix County Wisconsin has the smallest proportion of from Asia at 32% of the total. Second, it has in the middle range of other counties in the local area in order of from Africa at 11% of the total. Third, it has one of the largest proportions of from Oceania at 2% of the total and is ranked #2. The only larger county being Polk County with 3%. Also, it has the largest proportion of from the Americas at 37% of the total and is ranked #1.

Figure 44 categorizes the location for where foreign born people originally come from based on very large continental geographic areas. St Croix County Wisconsin has the smallest proportion of from Europe at 32% of the total. Second, it has the largest proportion of from Oceania at 37% of the total and is ranked #1.

Figure 45 is a table that breaks out all the people who were foreign born by which large geographic region where they were born. St Croix County Wisconsin has the smallest proportion of people who were born in Eastern Asia at 6.2% of the total. Second, it has the smallest proportion of people who were born in the Caribbean at 0.1% of the total. Third, it has the largest proportion of people who were born in Central America at 27.5% of the total and is ranked #1.