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Douglas County, Illinois Demographics 2026

Douglas County, Illinois has a population of 19,751, the 58th most populous county in Illinois. The median household income is $77,320 and the median home value is $150,400. The poverty rate is 8.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Douglas County Quick Facts

Population 19,751
Median Household Income $77,320
Median Home Value $150,400
Poverty Rate 8.5%
Unemployment Rate 2.5%
Median Age 38.7 years
Homeownership Rate 76.9%
Affordability Ratio 1.9x
Bachelor's Degree+ 20.9%
High School Graduation 87.5%
Cities/Places 9
Population 19,751 58th of 102
Median Income $77,320 7% lower than state
Poverty Rate 8.5%
Unemployment 2.5%

How Douglas County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population19,68619,751+0.3%
Median household income$74,186$77,320+4.2%
Median home value$142,600$150,400+5.5%

Economy & Housing

Household Income Distribution

Under $25K 12.6%
$25K-$50K 17.4%
$50K-$100K 35.5%
$100K+ 34.5%
Detailed income brackets
Under $10K
3.6%
$10K-$15K
2.9%
$15K-$20K
3.8%
$20K-$25K
2.3%
$25K-$30K
4.1%
$30K-$35K
4.6%
$35K-$40K
1.8%
$40K-$45K
4.0%
$45K-$50K
3.0%
$50K-$60K
7.3%
$60K-$75K
9.8%
$75K-$100K
18.4%
$100K-$125K
11.4%
$125K-$150K
10.1%
$150K-$200K
6.1%
$200K+
6.9%

Employment

2.5% Unemployment Rate State: 5.8%|National: 5.2%
65.1% Labor Force Participation

Housing Overview

Owner 76.9%
Renter 23.1%
Affordability Index Very Affordable
1.9x home value to income ratio
Median gross rent $848/mo 13.2% of median household income annually

People & Demographics

Diversity Index

23out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Cities & Places in Douglas County

CityPopulationMedian IncomePovertyHome Value
Tuscola4,808$78,1797.1%$154,300
Arcola2,892$89,8279.6%$124,100
Villa Grove2,349$70,6477.2%$125,700
Arthur2,083$54,90719.2%$151,300
Atwood1,144$62,3839.4%$128,200
Newman882$75,37310.9%$101,900
Camargo456$68,3337.5%$131,500
Hindsboro368$50,9386.3%$76,300
Garrett88$70,29412.5%$129,200

Population Overview

Douglas County is located in Illinois with a total population of 19,751. It is the 58th most populous county out of 102 in Illinois. The county encompasses 9 Census-designated places.

Age Demographics

The median age in Douglas County is 38.7 years. This is about the same as the state median of 39.0 years.

Economy, Income & Housing

The median household income in Douglas County is $77,320. This is 7% lower than the state median of $83,390. It is also 4% lower than the national median of $80,734. The poverty rate stands at 8.5%. This is 28% lower than the state poverty rate of 11.8%. The unemployment rate is 2.5%. This is 57% lower than the state rate of 5.8%. The median home value is $150,400. Housing costs are 43% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.9x, Douglas County is one of the most affordable housing markets in the area. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.1%.

Race & Ethnicity

Douglas County has a predominantly White (non-Hispanic) population, comprising 87.4% of all residents. Hispanic or Latino residents account for 8.5%. The White (non-Hispanic) population is significantly higher than the state average (87.4% vs 58.1%). The Black or African American population (1.2%) is well below the state average of 13.3%. The Hispanic or Latino population (8.5%) is well below the state average of 18.8%. The Asian population (0.4%) is well below the state average of 5.9%.

Education

20.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.5%.

Data Sources & Methodology

All figures for Douglas County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Douglas County, Illinois?

Douglas County has a population of 19,751, making it the 58th most populous county in Illinois.

What is the median income in Douglas County?

The median household income in Douglas County is $77,320 with a poverty rate of 8.5%.

How many cities are in Douglas County, Illinois?

Douglas County contains 9 Census-designated places.