Population 155 · Census ACS 2020–24
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Population and households in Summersville
Household size in Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.47 | 2.69 | 2.68 |
| 2010–14 | 2.58 | 2.71 | 2.73 |
| 2015–19 | 2.41 | 2.66 | 2.71 |
| 2020–24 | 2.35 | 2.58 | 2.65 |
| Change | −0.12 | −0.11 | −0.03 |
Summersville is a place of small households, averaging 2.35 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.47, 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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 48.2 | 37.6 | 37.7 |
| 2010–14 | 46.9 | 38.5 | 38.6 |
| 2015–19 | 51.1 | 39.6 | 39.6 |
| 2020–24 | 44.4 | 40.2 | 40.1 |
| Change | −3.8 | +2.6 | +2.3 |
Summersville skews older: half of its residents are older than 44.4, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 5.2% | 11.7% | 12.3% |
| 2010–14 | 7.9% | 11.7% | 12.3% |
| 2015–19 | 5.9% | 11.1% | 11.6% |
| 2020–24 | 4.8% | 11.3% | 11.6% |
| Change | −0.4 pts | −0.4 pts | −0.6 pts |
Single-parent households are relatively rare in Summersville: 4.8% of households, against 11.6% nationally.
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 Summersville
Renters in Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 13.7% | 30.8% | 33.3% |
| 2010–14 | 9.2% | 33.1% | 35.6% |
| 2015–19 | 7.7% | 33.9% | 36.0% |
| 2020–24 | 9.5% | 32.9% | 34.8% |
| Change | −4.2 pts | +2.1 pts | +1.5 pts |
Summersville is overwhelmingly a place of homeowners: only 9.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 49.6% have no mortgage at all, 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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 10.0% | 11.4% |
| 2010–14 | 6.9% | 10.1% | 11.4% |
| 2015–19 | 5.0% | 9.8% | 11.1% |
| 2020–24 | 4.1% | 8.1% | 9.6% |
| Change | −6.0 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in Summersville: just 4.1% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.
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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1976 | 1966 | 1974 |
| 2010–14 | 1978 | 1967 | 1975 |
| 2015–19 | 1986 | 1968 | 1977 |
| 2020–24 | 1991 | 1970 | 1980 |
| Change | +15 | +4 | +6 |
Much of the housing in Summersville is relatively new: half of its homes were built after 1991, 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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $535 | $953 | $965 |
| 2010–14 | $678 | $1,028 | $1,040 |
| 2015–19 | $953 | $1,165 | $1,213 |
| 2020–24 | $1,118 | $1,428 | $1,571 |
| Change | +$583 | +$475 | +$606 |
Rent in Summersville runs $1,118 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 20.5% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
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 Summersville
Bachelor's degrees in Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 17.1% | 31.2% | 28.4% |
| 2010–14 | 17.1% | 32.4% | 29.6% |
| 2015–19 | 25.1% | 34.7% | 32.1% |
| 2020–24 | 26.2% | 37.7% | 35.6% |
| Change | +9.1 pts | +6.5 pts | +7.2 pts |
Just over a quarter of adults 25 and older in Summersville (26.2%) have a bachelor's degree or higher, below the national share of 35.6%.
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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 85.1% | 86.3% | 84.9% |
| 2010–14 | 90.6% | 87.5% | 86.1% |
| 2015–19 | 95.0% | 89.1% | 87.7% |
| 2020–24 | 96.4% | 90.3% | 89.3% |
| Change | +11.3 pts | +4.0 pts | +4.3 pts |
High school completion is high in Summersville: 96.4% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Summersville
| Period | Summersville | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 6.3% | 8.7% | 8.1% |
| 2010–14 | 10.2% | 10.2% | 9.4% |
| 2015–19 | 1.9% | 6.1% | 5.6% |
| 2020–24 | 1.6% | 6.0% | 5.4% |
| Change | −4.6 pts | −2.7 pts | −2.7 pts |
Unemployment in Summersville has been low: just 1.6% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
Summersville 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Summersville | 2.35 | 44.4 | 4.8% | 9.5% | 4.1% | 1991 | $1,118 | 26.2% | 96.4% | 1.6% |
| Mount Vernon | 2.36 | 42.3 | 15.3% | 36.1% | 14.4% | 1972 | $921 | 19.2% | 94.0% | 6.3% |
| Idlewood | 2.36 | 45.8 | 2.1% | 13.6% | 12.8% | 1987 | $863 | 29.7% | 96.1% | 6.1% |
| Camp Ground | 2.54 | 47.6 | 6.6% | 9.7% | 7.8% | 1990 | $945 | 17.7% | 89.4% | 2.7% |
| Opdyke | 2.68 | 41.3 | 9.7% | 11.5% | 4.8% | 1989 | $1,163 | 12.4% | 87.8% | 3.4% |
| Texico | 2.68 | 42.9 | 2.4% | 10.3% | 11.3% | 1993 | $807 | 17.3% | 92.2% | 4.3% |
| Bluford | 2.52 | 38.5 | 7.5% | 24.1% | 7.8% | 1986 | $1,039 | 11.8% | 88.1% | 3.9% |
| Marcoe | 2.13 | 51.9 | 7.2% | 27.3% | 6.3% | 1986 | $890 | 27.1% | 92.6% | 5.4% |
| Dix | 2.47 | 42.8 | 8.6% | 20.5% | 9.4% | 1987 | $589 | 18.2% | 94.6% | 4.0% |
| Woodlawn | 2.51 | 41.5 | 12.8% | 18.4% | 7.9% | 1986 | $916 | 22.8% | 94.6% | 9.0% |
| Bonnie | 2.14 | 46.6 | 5.5% | 15.6% | 11.5% | 1977 | $957 | 16.7% | 89.4% | 6.6% |
All figures 2020–24.
Cities with similar populations: Sparkman, TN · Horace, IL · Houston, IL · Hoyte, TX · Hubbell, NE · Hull, WV · Hummels Wharf, PA · Humphrey Center, NY · South Stoddard, NH · Spanglin, KY
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 Summersville. 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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