Population 15,373 · Census ACS 2020–24
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Population and households in De Witt County
Household size in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.47 | 2.69 | 2.68 |
| 2010–14 | 2.41 | 2.71 | 2.73 |
| 2015–19 | 2.35 | 2.66 | 2.71 |
| 2020–24 | 2.33 | 2.58 | 2.65 |
| Change | −0.14 | −0.11 | −0.03 |
Households in De Witt County are small: just 2.33 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Since 2006–10, household size has dropped from 2.47, a much bigger shift than nationally.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 41.6 | 37.6 | 37.7 |
| 2010–14 | 43.5 | 38.5 | 38.6 |
| 2015–19 | 43.0 | 39.6 | 39.6 |
| 2020–24 | 44.1 | 40.2 | 40.1 |
| Change | +2.5 | +2.6 | +2.3 |
With a median age of 44.1, De Witt County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 41.6, as it has nationally. Residents skew youngest in the center and oldest in the northwest.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 8.2% | 11.7% | 12.3% |
| 2010–14 | 8.7% | 11.7% | 12.3% |
| 2015–19 | 8.2% | 11.1% | 11.6% |
| 2020–24 | 8.8% | 11.3% | 11.6% |
| Change | +0.6 pts | −0.4 pts | −0.6 pts |
Single-parent households are less common in De Witt County than nationally: 8.8%, against 11.6%. The single-parent share is up 0.6 points from 2006–10, even as the national share fell. De Witt County has a lower share of single-parent households than at least four in five Illinois counties.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in De Witt County
Renters in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 24.0% | 30.8% | 33.3% |
| 2010–14 | 21.5% | 33.1% | 35.6% |
| 2015–19 | 21.3% | 33.9% | 36.0% |
| 2020–24 | 21.5% | 32.9% | 34.8% |
| Change | −2.5 pts | +2.1 pts | +1.5 pts |
Only 21.5% of households in De Witt County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 45.5% have no mortgage at all, above the national share of 39.8%. Rentals cluster in the center; owners are most common in the northwest. The renter share is down 2.5 points from 2006–10, even as the national share rose.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 10.3% | 10.0% | 11.4% |
| 2010–14 | 10.9% | 10.1% | 11.4% |
| 2015–19 | 11.7% | 9.8% | 11.1% |
| 2020–24 | 9.5% | 8.1% | 9.6% |
| Change | −0.8 pts | −1.9 pts | −1.8 pts |
Vacancy in De Witt County is close to the national rate: 9.5% of homes are empty, against 9.6%. Since 2006–10, vacancy has edged down 0.8 points, in line with the national trend.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1958 | 1966 | 1974 |
| 2010–14 | 1960 | 1967 | 1975 |
| 2015–19 | 1963 | 1968 | 1977 |
| 2020–24 | 1961 | 1970 | 1980 |
| Change | +4 | +4 | +6 |
The housing in De Witt County is old by national standards: the median home dates to 1961, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1958 in 2006–10, a sign of steady new building. Newer construction is concentrated in the southwest, while the center has the oldest housing.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $616 | $953 | $965 |
| 2010–14 | $556 | $1,028 | $1,040 |
| 2015–19 | $691 | $1,165 | $1,213 |
| 2020–24 | $798 | $1,428 | $1,571 |
| Change | +$182 | +$475 | +$606 |
Rent in De Witt County runs $798 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $182 a month since 2006–10, up 30%, a slower climb than the nation's. Rent takes 21.2% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the northeast; the highest are in the west.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in De Witt County
Bachelor's degrees in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 16.0% | 31.2% | 28.4% |
| 2010–14 | 17.5% | 32.4% | 29.6% |
| 2015–19 | 20.6% | 34.7% | 32.1% |
| 2020–24 | 23.0% | 37.7% | 35.6% |
| Change | +7.0 pts | +6.5 pts | +7.2 pts |
College degrees are relatively uncommon in De Witt County: 23.0% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 7.0 points since 2006–10, as it has nationally. College graduates are most concentrated in the northwest and least in the northeast.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 90.3% | 86.3% | 84.9% |
| 2010–14 | 92.9% | 87.5% | 86.1% |
| 2015–19 | 91.4% | 89.1% | 87.7% |
| 2020–24 | 93.4% | 90.3% | 89.3% |
| Change | +3.1 pts | +4.0 pts | +4.3 pts |
High school completion in De Witt County is above the national rate: 93.4% of adults have a diploma or equivalent, against 89.3%. Since 2006–10, the share with a diploma has risen 3.1 points, mirroring the country.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in De Witt County
| Period | De Witt County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 7.0% | 8.7% | 8.1% |
| 2010–14 | 7.7% | 10.2% | 9.4% |
| 2015–19 | 4.8% | 6.1% | 5.6% |
| 2020–24 | 4.3% | 6.0% | 5.4% |
| Change | −2.7 pts | −2.7 pts | −2.7 pts |
Jobs have been a little easier to find in De Witt County than nationally: unemployment was 4.3%, against 5.4%. Unemployment has fallen 2.7 points since 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
De Witt County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| De Witt County | 2.33 | 44.1 | 8.8% | 21.5% | 9.5% | 1961 | $798 | 23.0% | 93.4% | 4.3% |
| Piatt County | 2.41 | 44.2 | 6.8% | 15.2% | 6.6% | 1972 | $1,124 | 32.5% | 96.3% | 3.0% |
| Logan County | 2.23 | 41.8 | 11.9% | 31.5% | 6.7% | 1963 | $825 | 21.3% | 93.0% | 4.0% |
| Champaign County | 2.33 | 35.0 | 9.9% | 46.0% | 10.8% | 1981 | $1,115 | 47.8% | 93.1% | 4.6% |
| Mason County | 2.22 | 44.8 | 9.7% | 18.2% | 13.5% | 1959 | $780 | 17.3% | 93.0% | 4.7% |
| Vermilion County | 2.36 | 42.0 | 13.9% | 29.8% | 12.3% | 1958 | $843 | 19.6% | 91.2% | 6.6% |
| Fountain County | 2.42 | 43.3 | 13.2% | 25.4% | 12.3% | 1962 | $802 | 14.8% | 91.3% | 4.6% |
| Schuyler County | 2.16 | 47.8 | 10.2% | 20.6% | 18.8% | 1971 | $876 | 19.1% | 93.1% | 4.8% |
| Montgomery County | 2.44 | 40.4 | 9.7% | 19.7% | 7.0% | 1964 | $860 | 20.5% | 89.4% | 3.5% |
| Clinton County | 2.60 | 37.5 | 12.1% | 25.8% | 8.2% | 1958 | $939 | 15.9% | 86.0% | 2.7% |
| Boone County | 2.65 | 39.6 | 9.0% | 21.2% | 4.2% | 1988 | $1,477 | 52.6% | 94.8% | 2.5% |
All figures 2020–24.
Counties with similar populations: Northampton County, VA · Nemaha County, NE · Neosho County, KS · Nevada County, AR · New Kent County, VA · New Madrid County, MO · Newton County, IN · Newton County, MS · Nicholas County, KY · Nicholas County, WV
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up De Witt County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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