De Witt County, Illinois Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
De Witt County, IL Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around averageWealthier than 79% of counties in Illinois
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 15,373 | 12,692,444 | 337,468,954 |
| Population density (per sq mi) | 38.0 | 219.1 | 86.4 |
| Population growth (%/yr) | -0.75% | -0.16% | 0.59% |
| Median age | 42.1 | 37.4 | 37.3 |
| Households | 6,595 | 5,035,584 | 130,235,071 |
Population in De Witt County declined by 5.6% from 2009 to 2024, reaching 15,373 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in De Witt County is Gen X, aged 45–60, at 22.5% of residents. That is 2.1 points above Illinois as a whole.
- Gen Z 13–28 2,819 18.3% -2.9 pts
- Millennials 29–44 2,951 19.2% -2.7 pts
- Gen X 45–60 3,457 22.5% +2.1 pts
- Boomers 61–79 3,019 19.6% +2.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Illinois, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.0% of the people living in De Witt County and men 49.0%.
- Women 51.0% Illinois 50.6%
- Men 49.0% Illinois 49.4%
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Residents matching this profile
100% of everyone living in De Witt County
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Economy
De Witt County has a the economy index of B, which means it is quite prosperous.
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $72,569 | $84,042 | $80,455 |
| Income growth (%/yr) | 3.71% | 4.46% | 4.80% |
| Unemployment rate | 4.0% | 5.8% | 5.2% |
The median household income in De Witt County is about 14% lower than in Illinois.
Housing
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $104,029 | $149,936 | $248,835 |
| Median rent | $903 | $1,274 | $1,407 |
| Homeownership rate | 78.5% | 67.1% | 65.2% |
The median home price in De Witt County is about 9.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $903 per month for that long.
Commute Time & Mobility
Commuters in De Witt County spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 212 hours, about 8.8 full days, spent commuting.
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.4 | 23.6 | 22.4 |
| Round-trip commute (min) | 50.9 | 47.3 | 44.8 |
| Yearly time spent (hours) | 212 | 197 | 187 |
| Estimated yearly cost | $6,571 | $6,104 | $5,790 |
| Work from home | 10.6% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 4,075 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 360 | 1,547 | 1,355 |
Fastest commutes among counties in
Illinois:
Edgar County (12.0 min), Brown County (12.7 min), Morgan County (13.1 min).
Slowest:
Calhoun County (43.8 min), Pulaski County (31.2 min), Pope County (31.0 min).
The average commute time in De Witt County is 25 minutes, longer than the 24 minutes in Illinois.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
De Witt County has a education index of D, which means it is barely educated.
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 20.6% | 34.1% | 31.6% |
| Average household size | 2.30 | 2.46 | 2.53 |
Highest education index among counties in
Illinois:
DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest:
Hardin County (0.2), Fayette County (0.2), Perry County (0.2).
Health
De Witt County has a health index of B, which means it is quite healthy.
| Metric | De Witt County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.0 | 77.9 | 78.3 |
| Self-rated poor health | 15.0% | 15.6% | 16.3% |
| Smokers | 19.5% | 19.2% | 19.0% |
Highest health index among counties in
Illinois:
DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest:
Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).
De Witt County, IL Compared With Nearby Counties
De Witt County, IL is the smallest of the 4 counties compared here, 15,373 residents against a local median of 101,849. De Witt County, IL's commute, at 25.4 min, runs 57% above the 16.2 min typical of the counties around it. That is the weaker end of the local range on this measure.
Median home price tells the same story from another angle: $104,029 against a local median of $87,894, 18% above it. The counties themselves sit within 1.1 min of each other on commute, a tighter band than the gap between any of them and De Witt County, IL, which makes it a genuine outlier here rather than one end of a wide local spread. De Witt County, IL has the 4th lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| De Witt County, IL | 15,373 | $72,569 #2/4 | $104,029 #2/4 | 25.4 min #4/4 |
| Macon County, IL | 101,849 | $62,654 | $65,982 | 16.7 min |
| McLean County, IL | 171,556 | $79,591 | $126,359 | 15.7 min |
| Logan County, IL | 27,712 | $66,476 | $87,894 | 16.2 min |
Frequently Asked Questions
Common questions about De Witt County, Illinois.
What is the population of De Witt County, Illinois?
About 15,373 people live in De Witt County, Illinois, in 6,595 households of 2.3 people on average. The median age is 42.1, so residents are older than the U.S. median of 37.3 by about 5 years.
Is De Witt County, Illinois mostly urban or rural?
Averaged over its land area, De Witt County, Illinois has 38 people per square mile, a density typical of rural areas. That is about 44% of the U.S. average of 86.
How affordable is housing in De Witt County, Illinois?
The median home costs 1.4 times the median household income ($104,029 against $72,569), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $903 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in De Witt County, Illinois?
Unemployment in De Witt County, Illinois is only 4.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in De Witt County, Illinois?
20.6% of adults in De Witt County, Illinois hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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