Population 366 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Round Prairie
Household size in Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.67 | 2.69 | 2.68 |
| 2010–14 | 2.68 | 2.71 | 2.73 |
| 2015–19 | 3.23 | 2.66 | 2.71 |
| 2020–24 | 3.33 | 2.58 | 2.65 |
| Change | +0.66 | −0.11 | −0.03 |
Households in Round Prairie are large by national standards, averaging 3.33 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.67 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 39.2 | 37.6 | 37.7 |
| 2010–14 | 35.6 | 38.5 | 38.6 |
| 2015–19 | 32.6 | 39.6 | 39.6 |
| 2020–24 | 28.3 | 40.2 | 40.1 |
| Change | −10.9 | +2.6 | +2.3 |
Round Prairie is young: half of its residents are under 28.3, compared with a national median of 40.1. The population tilts toward young families with children.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 8.7% | 11.7% | 12.3% |
| 2010–14 | 5.3% | 11.7% | 12.3% |
| 2015–19 | 4.1% | 11.1% | 11.6% |
| 2020–24 | 9.9% | 11.3% | 11.6% |
| Change | +1.3 pts | −0.4 pts | −0.6 pts |
Single parents head about one in ten households in Round Prairie (9.9%), a little below the national share of 11.6%.
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 Round Prairie
Renters in Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 7.2% | 30.8% | 33.3% |
| 2010–14 | 10.5% | 33.1% | 35.6% |
| 2015–19 | 9.8% | 33.9% | 36.0% |
| 2020–24 | 12.2% | 32.9% | 34.8% |
| Change | +5.0 pts | +2.1 pts | +1.5 pts |
Round Prairie is overwhelmingly a place of homeowners: only 12.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly six in ten owners (56.6%) have paid off their mortgages, well above the national share of 39.8%.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 13.1% | 10.0% | 11.4% |
| 2010–14 | 6.8% | 10.1% | 11.4% |
| 2015–19 | 11.3% | 9.8% | 11.1% |
| 2020–24 | 17.0% | 8.1% | 9.6% |
| Change | +3.9 pts | −1.9 pts | −1.8 pts |
Vacancy is high in Round Prairie: 17.0% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1966 | 1974 |
| 2010–14 | 1963 | 1967 | 1975 |
| 2015–19 | 1974 | 1968 | 1977 |
| 2020–24 | 1992 | 1970 | 1980 |
| Change | +21 | +4 | +6 |
Much of the housing in Round Prairie is relatively new: half of its homes were built after 1992, compared with 1980 for the U.S. as a whole.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $473 | $953 | $965 |
| 2010–14 | $520 | $1,028 | $1,040 |
| 2015–19 | $624 | $1,165 | $1,213 |
| 2020–24 | $681 | $1,428 | $1,571 |
| Change | +$208 | +$475 | +$606 |
A typical rental in Round Prairie costs $681 a month with utilities, well below the national median of $1,571. The typical renter here spends 23.2% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 Round Prairie
Bachelor's degrees in Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 12.5% | 31.2% | 28.4% |
| 2010–14 | 17.3% | 32.4% | 29.6% |
| 2015–19 | 14.9% | 34.7% | 32.1% |
| 2020–24 | 16.1% | 37.7% | 35.6% |
| Change | +3.6 pts | +6.5 pts | +7.2 pts |
Fewer adults in Round Prairie have a four-year degree than in the country as a whole: 16.1%, against 35.6% nationally.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 77.2% | 86.3% | 84.9% |
| 2010–14 | 83.0% | 87.5% | 86.1% |
| 2015–19 | 82.7% | 89.1% | 87.7% |
| 2020–24 | 81.7% | 90.3% | 89.3% |
| Change | +4.5 pts | +4.0 pts | +4.3 pts |
More than one in six adults in Round Prairie never finished high school, well above the national share: only 81.7% have a diploma or equivalent, against 89.3% nationally.
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 Round Prairie
| Period | Round Prairie | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 5.3% | 8.7% | 8.1% |
| 2010–14 | 4.2% | 10.2% | 9.4% |
| 2015–19 | 5.0% | 6.1% | 5.6% |
| 2020–24 | 3.7% | 6.0% | 5.4% |
| Change | −1.7 pts | −2.7 pts | −2.7 pts |
Unemployment in Round Prairie runs below the national rate: 3.7% of the labor force was out of work and looking, against 5.4% nationally. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).
Round Prairie compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Round Prairie | 3.33 | 28.3 | 9.9% | 12.2% | 17.0% | 1992 | $681 | 16.1% | 81.7% | 3.7% |
| Crisp | 3.56 | 23.9 | 11.6% | 11.6% | 19.4% | 1994 | $657 | 14.2% | 79.2% | 3.8% |
| Johnsonville | 3.17 | 27.7 | 6.3% | 23.6% | 2.4% | 1995 | $534 | 10.9% | 72.7% | 2.2% |
| Geff | 2.29 | 50.0 | 4.4% | 11.1% | 8.5% | 1980 | $840 | 19.3% | 93.2% | 3.1% |
| Cisne | 2.16 | 43.4 | 12.0% | 22.1% | 12.7% | 1962 | $619 | 15.1% | 91.0% | 4.5% |
| Sims | 2.24 | 48.0 | 10.7% | 18.2% | 14.3% | 1980 | $681 | 12.2% | 94.5% | 1.7% |
| Jeffersonville | 2.28 | 50.1 | 4.7% | 9.5% | 10.1% | 1979 | $841 | 17.6% | 93.4% | 3.4% |
| Stratton | 3.16 | 31.9 | 10.1% | 14.8% | 14.2% | 1991 | $824 | 16.1% | 84.6% | 3.3% |
| Wayne City | 2.19 | 45.8 | 10.9% | 23.5% | 7.1% | 1978 | $793 | 15.1% | 96.1% | 2.0% |
| Rinard | 2.67 | 39.7 | 4.4% | 16.0% | 9.0% | 1991 | $675 | 24.2% | 89.2% | 3.3% |
| Fairfield | 2.07 | 44.9 | 8.9% | 26.6% | 9.9% | 1968 | $600 | 15.0% | 91.7% | 3.4% |
All figures 2020–24.
Cities with similar populations: Hope, NJ · Sharon, KS · Shamrock Shores, TX · Shambaugh, IA · Ischua, NY · Isabella, MO · Irona, NY · Indian Village, OR · Indian Creek, WI · Hurley, MO
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 Round Prairie. 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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