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
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.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 19,686 | 19,751 | +0.3% |
| Median household income | $74,186 | $77,320 | +4.2% |
| Median home value | $142,600 | $150,400 | +5.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Douglas County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Tuscola | 4,808 | $78,179 | 7.1% | $154,300 |
| Arcola | 2,892 | $89,827 | 9.6% | $124,100 |
| Villa Grove | 2,349 | $70,647 | 7.2% | $125,700 |
| Arthur | 2,083 | $54,907 | 19.2% | $151,300 |
| Atwood | 1,144 | $62,383 | 9.4% | $128,200 |
| Newman | 882 | $75,373 | 10.9% | $101,900 |
| Camargo | 456 | $68,333 | 7.5% | $131,500 |
| Hindsboro | 368 | $50,938 | 6.3% | $76,300 |
| Garrett | 88 | $70,294 | 12.5% | $129,200 |
Explore Illinois Rankings
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.