According to the most recent Knox County Indiana demographics data available from the 2022 Census Bureau released in the American Community Survey in November of 2022, Figure 1 Knox County depicts it has a Population 2021 of 36,362 which is the highest of all counties in the greater region. Figure 3 uses the Knox County population data for a comparison of the population growth/population change estimates from the years 2010 to 2021 and Knox County Indiana shows a decline of 2,078 (5%).
The total Knox County Indiana greater area population percent change for all areas for the years from 2010 to 2021 is shown in Figure 4 and for Knox County indicates it has a Population Change of -5.4% which is the second smallest in terms of population percent change of all the other counties in the metro area.
Looking at the Knox County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Knox County Indiana depicts it has 70 people per square mile which is the second most of all the counties in the local area. The next lower population density is Gibson County only about 4.0% smaller with population density of 68. The county with the highest population density in the area is Daviess County which shows a people per square mile of 77 (10.0% larger). Figure 6 provides Knox County demographics for the overall median age for all people in the region and Knox County shows it has a Median Age of 39.2 which is the second smallest in terms of overall median age of all people of all the other counties in the area. The county with the highest overall median age of all people in the area is Pike County which depicts an age of 44.1 (12.5% larger). Figure 9 shows the Knox County Indiana Hispanic (including non Hispanic whites) population household ethnicity in the region and Knox County depicts it has a Hispanic or Latino of 2.4% which is the third most Hispanic Population of all other counties in the greater Knox County region.
Knox County Families and Marital Status Charts
Figure 10 shows the detailed marriage characteristics broken down by %residents who are married, never married, single, divorced, and widowed. Knox County has the smallest proportion of never married percent at 11% of the total. Figure 11 compares the average household size using the average number of people in a family for Knox County households. Knox County shows it has a Family Size of 2.9 which is the smallest in order of average family size of all the other counties in the local area. The county with the highest average family size in the area is Daviess County which depicts an average family size of 3.5 (22.1% larger).
Looking at Knox County households that are headed by a husband and wife as a percent of all families in Figure 12, Knox County indicates it has a Married-couple family of 76% which is in the middle range of other counties in the area. The county with the highest percent of people in a husband and wife family in the area is Pike County which depicts a husband and wife family percent of 85% (11.7% larger).
The next section of charts provide a detailed look at mothers and baby births that occurred over the past 12 months. Figure 13 shows the rate of women aged 15 to 50 years old who have given birth. Knox County depicts it has a Birth Rate of 6.4% which is in the mid range of other counties in the local area. The county with the highest percent of women who gave birth in the area is Wabash County which depicts a birth rate of 10.5% (64.4% larger). Figure 14 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 when ranked by percent of births to mothers aged 15 to 19 of all the other counties in the metropolitan area at 26% of the total. Second, it has the largest proportion of percent of births to mothers aged 30 to 34 at 27% of the total and is ranked #1.
The next set of demographic data looks at the marital status for Knox County households which is useful for internet research. Figure 16 compares the total number of single people in each area. Knox County shows it has a Total Single People of 48% which is the third most percent single people of all other counties in the greater Knox County region. The county with the highest percent of people who are single for any reason in the area is Lawrence County which depicts a percent single of 52% (9.5% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Knox County is only about 5.0% smaller. Also, versus the state of Indiana, percent of people who are single for any reason of 50%, Knox County is only about 4.3% smaller.
Knox County Citizenship Demographics Charts
The next diagram (Figure 18) 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 after 2010 at 84% of the total and is ranked #1.
Knox County Birthplace Demographic Charts
Figure 19 looks at the detailed country of origin demographic research for foreign-born people in this place. Click column to sort.
For comparison purposes, Figure 20 shows detailed statistic data for the entire United States. In particular, this diagram breaks down the detailed country of origin foreign-born people in the entire U.S. in order to compare with the data provided in the prior diagram which shows only for the local area. Both this diagram and the prior diagram are sorted the same way to facilitate comparison between the two. Click column to sort.
Cities marked with an asterisk ("*") should resemble a city or town but do not have their own government (i.e. Mayor, City Council, etc.) These places should be recognizable by the local community but their boundaries have no legal status. Technically these include both Census Designated Places (CDP) and Census County Divisions (CCD) which are defined by the Census Bureau along with local authorities. (For more information, see:
Census Designated Place or "CDP")
and Census County Division "CCD".)
For comparison purposes, the US national average and the state average value are provided. Additionally, the "Combined Statistical Area" or CSA is shown that is closest to the city, county, or zip code shown. A CSA is a large grouping of adjacent metropolitan areas that identified by the Census Bureau based on social and economic ties. (See: Combined Statistical Area)
Data sources - Mouse over icon in upper right corner of each chart for information.