Kendall County Population Charts

According to the most recent Kendall County Illinois demographics data available from the United States Census Bureau released in the American Community Survey in March of 2022, Figure 1 Kendall County shows it has a Population 2020 of 127,583 which is in the mid range of other counties in the metropolitan area. The county with the highest population in the area is DuPage County which shows a population of 926,005 ( appreciably bigger). Figure 3 uses the Kendall County population data for a comparison of the population growth/population change estimates from the years 2010 to 2020 and Kendall County Illinois depicts an increase of 12,847 (11%).

The total Kendall County Illinois greater area population percent change for all areas for the years from 2010 to 2020 is shown in Figure 4 and for Kendall County shows it has a Population Change of 11.2% which is the largest of all counties in the greater Kendall County region.

Looking at the Kendall County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Kendall County Illinois shows it has 398 people per square mile which is in the center range of other counties in the local area. The next higher when sorted by population density is Will County about twice as large with population density of 824. The county with the highest population density in the area is DuPage County which depicts a people per square mile of 2,827 ( considerably bigger). Figure 6 provides Kendall County demographics for the overall median age for all people in the region and Kendall County depicts it has a Median Age of 35.5 which is the second smallest in order of overall median age of all people of all the other counties in the greater region. The county with the highest overall median age of all people in the area is LaSalle County which depicts an age of 42.1 (18.6% larger). The Kendall County Illinois population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. Kendall County Illinois depicts a median age of men only about 3.1% smaller as the median age of women.

The next demographic analysis (Figure 8) looks at large generational Kendall 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 Kendall County Illinois has the smallest proportion of people less than 20 years of age at 11.0% of the total. Second, it has the largest proportion of people between 20 and 29 years old at 14.4% of the total and is ranked #1. Third, it has the largest proportion of people between 30 and 39 years old at 16.7% of the total and is ranked #1. Also, it has the smallest proportion of people between 50 and 59 yeasr old at 7.9% of the total. In addition, it has the smallest proportion of people between 60 and 69 years old at 6.7% of the total. Figure 10 shows the Kendall County Illinois Hispanic (including non Hispanic whites) population household ethnicity in the region and Kendall County depicts it has a Hispanic or Latino of 19.4% which is the second most Hispanic Population of all the counties in the greater Kendall County region. Figure 11 compares the ratio of the amount of men to the amount of women and shows total male population only about 2.6% smaller as the total female population.

Kendall 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. Kendall County 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 Kendall County households. Kendall County shows it has a Family Size of 3.6 which is the most of all counties in the greater Kendall County region.

Figure 15 shows the overall ratio of Kendall County households for families to the total number of Kendall County households and that Kendall County shows it has a Families of 79% which is the highest of all counties in the metro area.

Looking at Kendall County households that are headed by a husband and wife as a percent of all families in Figure 16, Kendall County depicts it has a Married-couple family of 78% which is in the mid range of other counties in the local area. The county with the highest percent of people in a husband and wife family in the area is DuPage County which depicts a husband and wife family percent of 82% (only about 4.6% larger).

Kendall 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. Kendall County depicts it has a Birth Rate of 6.0% which is the highest of all counties in the greater Kendall County region. 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 range of other counties in the greater region at 14% of the total. Second, it has less than most other counties in the metropolitan area in order of percent of births to mothers aged 20 to 24 at 23% of the total. Third, it has the largest proportion of percent of births to mothers aged 25 to 29 at 39% of the total and is ranked #1. Also, it has the smallest proportion of percent of births to mothers aged 35 to 39 at 0% 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.) Kendall County depicts it has a Unwed Births of 42% which is the second most of all the counties in the local area. The county with the highest percent of unwed women who have given birth in the area is DeKalb County which shows an unwed mother birth rate of 48% (13.4% larger).

The next chart, Figure 22, shows the percentage of unwed mothers who are also on public assistance. Kendall County depicts it has a Unwed birth and on public assistance of 4.0% which is less than most other counties in the metropolitan area. The county with the highest percent of unwed women who have given birth and are on public assistance in the area is DeKalb County which shows a percent of unwed women who gave birth and are on public assistance of 9.5% (approximately 2.4 times bigger).

Unwed mothers who have given birth in the last 12 months are also shown broken down by age group in Figure 24. Kendall County Illinois has the largest proportion of unwed mothers aged 15 to 19 at 90.6% of the total and is ranked #1. Second, it has less than most other counties in the metro area when ranked by unwed mothers aged 20 to 34 at 9.4% of the total. 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.) Kendall County Illinois has the largest proportion of White unwed birth rate at 100.0% of the total and is ranked #1. Second, it has one of the largest proportions of Black unwed birth rate at 54.4% of the total and is ranked #2. The only larger county being DeKalb County with 60.6%. Third, it has the largest proportion of Hispanic unwed birth rate at 72.1% 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. Kendall County Illinois has the percentage of unwed births and living below poverty level in the mid point range of other counties in the greater region at 22.3% of the total. Second, it has one of the largest proportions of unwed births and living between 100% and 199% of poverty level at 56.2% of the total and is ranked #2. The only larger county being DuPage County with 57.1%.

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 one of the largest proportions of percent of unwed mothers with less than high school education at 39% of the total and is ranked #3. Only #2 LaSalle County (42%), and #1 DeKalb County (49%) are larger. Second, it has the smallest proportion of percent of unwed mothers who are a high school graduate or equivalent at 14% of the total. Third, it has the largest proportion of percent of unwed mothers with some college or an associates degree at 47% of the total and is ranked #1.

Kendall County Marital Status Charts

The next set of demographic data looks at the marital status for Kendall County households which is useful for internet research. Figure 28 compares the total number of single people in each area. Kendall County shows it has a Total Single People of 43% which is the second smallest when ranked 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 DeKalb County which depicts a percent single of 57% (33.2% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Kendall County is about 16.4% smaller. Also, compared with the state of Illinois, percent of people who are single for any reason of 51%, Kendall County is about 18.0% smaller.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Kendall County Illinois has the percentage of percent never married less than most other counties in the greater region at 9% 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. Kendall County Illinois has the smallest proportion of men who are divorced at 2% of the total. Figure 32 shows the number of single women adults in each area broken out by never married, divorced and widowed. Kendall County Illinois has the smallest proportion of women who are divorced at 5% of the total.

Figure 33 shows the Kendall 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 Kendall County metro area. Kendall County Illinois has the smallest proportion of single men 18 to 24 at 14% of the total. Second, it has the largest proportion of single men 25 to 29 at 13% of the total and is ranked #1. Third, it has one of the largest proportions of single men 30 to 34 at 9% of the total and is ranked #2. The only larger county being Grundy County with 10%. Also, it has the largest proportion of single men 35 to 39 at 9% of the total and is ranked #1. In addition, it has the largest proportion of single men 40 to 44 at 8% of the total and is ranked #1. Furthermore, it has the smallest proportion of single men 50 to 60 at 3% of the total.

Figure 34 shows the Kendall 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 Kendall County metro area. Kendall County Illinois has the smallest proportion of single women 18 to 24 at 12% of the total. Second, it has the largest proportion of single women 25 to 29 at 13% of the total and is ranked #1. Third, it has the largest proportion of single women 35 to 39 at 12% of the total and is ranked #1.

Kendall County Citizenship Demographics Charts

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 the Midwest at 3% of the total. Second, it has the largest proportion of birthplace in West at 2% of the total and is ranked #1.

In Figure 37, the demographic percentage of Kendall County residents who were not born in the United States is shown (i.e. percent foreign born.) Kendall County depicts it has a Percent Foreign Born of 10.1% which is in the mid range of other counties in the greater region. The county with the highest percent of population who was born in another country in the area is DuPage County which depicts a percent born outside United States of 19.4% (about twice as large). Comparing percent of population who was born in another country to the United States average of 13.5%, Kendall County is approximately three-fourths the size. Also, measured against the state of Illinois, percent of population who was born in another country of 13.9%, Kendall County is approximately three-fourths 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. Kendall County Illinois depicts a percent of non citizens under 18 years old approximately a twelfth 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 44.4 which is the largest of all counties in the greater Kendall 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 the largest proportion of non citizens who entered the US before 1990 at 27% of the total and is ranked #1.

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 21% of the total and is ranked #1. Second, it has the largest proportion of people naturalized 2005 to 2009 at 23% of the total and is ranked #1. Third, it has the smallest proportion of people naturalized 2000 to 2004 at 10% of the total. Also, it has the smallest proportion of people naturalized 1995 to 1999 at 10% of the total.

Kendall County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows Kendall County demographic information for large regions of the world that people from this place originally came from. Kendall County Illinois has the percentage of from Asia in the mid range of other counties in the metropolitan area at 24% of the total. Second, it has one of the largest proportions of from Africa at 4% of the total and is ranked #3. Only #2 DeKalb County (4%), and #1 Will County (7%) are larger.

Figure 45 is a table that breaks out all the people who were foreign born by which large geographic region where they were born. Kendall County Illinois has the smallest proportion of people who were born in Northern Europe at 0.7% of the total. Second, it has the smallest proportion of people who were born in Western Asia at 0.3% of the total.