Knox County, Illinois

IL · FIPS 17095 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 49,046 #1,026 / 3,222
68th
Median Household Income $57,030 -24.1% #2,328 / 3,222
28th
Median Age 42.6 years +9.5% #1,316 / 3,222
59th
Median Home Value $111,900 -60.3% #2,819 / 3,222
12th
Median Gross Rent $788 -32.2% #2,196 / 3,222
32th
Poverty Rate 14.6% +15.6% #1,866 / 3,222
42th

Demographics

Knox County has a population of 49,046, making it the #1,026 most populous county in the US. The median age is 42.6 years, which is 9.5% above the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

96.8%
Native Born
3.2%
Foreign Born

Household Type

Economy

The median household income in Knox County is $57,030, ranking #2,328 out of 3,222 counties — 24.1% below the national median. The poverty rate is 14.6% and unemployment stands at 5.1%.

Median Household Income
$57,030 −24.1% vs nat'l
Rank #2,328 of 3,222
28th percentile
Per Capita Income
$31,878 −22.7% vs nat'l
Rank #2,123 of 3,222
34th percentile
Poverty Rate
14.6% +15.6% vs nat'l
Rank #1,866 of 3,222
42th percentile
Unemployment Rate
5.1% −3.9% vs nat'l
Rank #2,081 of 3,222
35th percentile
Bachelor's Degree or Higher
21.0% −37.8% vs nat'l
Rank #1,826 of 3,222
43th percentile
Mean Commute Time
21.8 min −21.0% vs nat'l
Rank #2,563 of 3,222
20th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Knox County is $111,900 (-60.3% vs national). Renters pay a median of $788/mo and the homeownership rate is 70.8%.

Median Home Value
$111,900 −60.3% vs nat'l
Rank #2,819 of 3,222
12th percentile
Median Gross Rent
$788 −32.2% vs nat'l
Rank #2,196 of 3,222
32th percentile
Homeownership Rate
70.8% +10.0% vs nat'l
Rank #2,193 of 3,222
32th percentile
70.8% Homeownership

Median Home Value Trend

Rankings →

Health

95.0% of residents in Knox County have health insurance coverage, which is 3.6% above the national rate.

95.0% Health Insurance
Health Insurance Coverage
95.0% +3.6% vs nat'l
Rank #646 of 3,222
80th percentile

About Knox County, Illinois

Knox County, Illinois has a total population of 49,046, making it the 1,026th most populous county in the United States. The median age in Knox County is 42.6 years, which is 9.5% above the national median of 38.9 years.

The median household income in Knox County is $57,030, which ranks #2,328 of 3,222 counties nationwide. This is 24.1% below the national median of $75,149. The poverty rate is 14.6%, higher than the national rate of 12.6%. The unemployment rate stands at 5.1%.

The median home value in Knox County is $111,900, 60.3% below the national median. Renters in Knox County pay a median gross rent of $788 per month. The homeownership rate is 70.8%, compared to the national rate of 64.4%.

In Knox County, 21.0% of residents aged 25 and older hold a bachelor's degree or higher, 37.8% below the national average of 33.7%. Health insurance coverage stands at 95.0% of the population. The average commute time for workers is 21.8 min.

Knox County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.9% of the population, followed by Black (non-Hispanic) (8.0%) and Hispanic or Latino (6.4%).

All data for Knox County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.