Population 5,857 · Census ACS 2020–24
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Population and households in Sullivan County
Household size in Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 2.55 | 2.49 | 2.68 |
| 2010–14 | 2.51 | 2.52 | 2.73 |
| 2015–19 | 2.83 | 2.50 | 2.71 |
| 2020–24 | 2.86 | 2.49 | 2.65 |
| Change | +0.30 | −0.00 | −0.03 |
The typical household in Sullivan County holds 2.86 people, more than the U.S. average of 2.65. Since 2006–10, household size has climbed from 2.55, even as the national average fell. Of Missouri's 115 counties, only six have larger households.
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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 40.6 | 38.4 | 37.7 |
| 2010–14 | 41.1 | 39.2 | 38.6 |
| 2015–19 | 43.1 | 40.0 | 39.6 |
| 2020–24 | 43.4 | 40.1 | 40.1 |
| Change | +2.8 | +1.7 | +2.3 |
The median resident of Sullivan County is 43.4 years old, older than the national median of 40.1. Since 2006–10, the median age has climbed from 40.6, mirroring the country. The youngest areas are in the south, the 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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 15.6% | 11.3% | 12.3% |
| 2010–14 | 13.4% | 11.4% | 12.3% |
| 2015–19 | 8.7% | 10.9% | 11.6% |
| 2020–24 | 9.5% | 11.0% | 11.6% |
| Change | −6.0 pts | −0.3 pts | −0.6 pts |
Single parents head about one in ten households in Sullivan County (9.5%), below the national share of 11.6%. The single-parent share is down 6.0 points from 2006–10, a much bigger shift than 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 Sullivan County
Renters in Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 29.4% | 30.0% | 33.3% |
| 2010–14 | 31.0% | 32.1% | 35.6% |
| 2015–19 | 25.5% | 33.2% | 36.0% |
| 2020–24 | 24.9% | 31.9% | 34.8% |
| Change | −4.6 pts | +1.9 pts | +1.5 pts |
About a quarter of households in Sullivan County rent their homes (24.9%), below the national share of 34.8%; the rest own. Among homeowners, 50.7% have no mortgage at all, well above the national share of 39.8%. Renting is most common in the center and least common in the south. Since 2006–10, the renter share has fallen 4.6 points, 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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 19.6% | 11.6% | 11.4% |
| 2010–14 | 20.3% | 12.0% | 11.4% |
| 2015–19 | 34.6% | 12.2% | 11.1% |
| 2020–24 | 31.9% | 10.5% | 9.6% |
| Change | +12.3 pts | −1.1 pts | −1.8 pts |
Vacant homes make up 31.9% of the housing in Sullivan County, 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. Since 2006–10, vacancy has risen 12.3 points, even as the national rate fell.
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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 1966 | 1974 | 1974 |
| 2010–14 | 1970 | 1975 | 1975 |
| 2015–19 | 1965 | 1976 | 1977 |
| 2020–24 | 1968 | 1978 | 1980 |
| Change | +1 | +4 | +6 |
The housing in Sullivan County is old by national standards: the median home dates to 1968, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Sullivan County has older homes than at least four in five Missouri counties.
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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | $509 | $740 | $965 |
| 2010–14 | $527 | $816 | $1,040 |
| 2015–19 | $617 | $899 | $1,213 |
| 2020–24 | $650 | $1,122 | $1,571 |
| Change | +$140 | +$383 | +$606 |
A typical rental in Sullivan County costs $650 a month with utilities, well below the national median of $1,571. Rents are up $140 a month from 2006–10, a 28% rise, a slower climb than the nation's. Rent takes 22.9% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. The priciest rents are in the center; the most affordable are in the southwest.
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 Sullivan County
Bachelor's degrees in Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 9.7% | 26.0% | 28.4% |
| 2010–14 | 12.3% | 27.3% | 29.6% |
| 2015–19 | 12.2% | 29.6% | 32.1% |
| 2020–24 | 15.5% | 32.6% | 35.6% |
| Change | +5.8 pts | +6.6 pts | +7.2 pts |
College degrees are relatively uncommon in Sullivan County: 15.5% 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 5.8 points since 2006–10, mirroring the country.
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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 80.4% | 86.8% | 84.9% |
| 2010–14 | 82.8% | 88.3% | 86.1% |
| 2015–19 | 85.2% | 90.0% | 87.7% |
| 2020–24 | 88.8% | 91.8% | 89.3% |
| Change | +8.4 pts | +5.1 pts | +4.3 pts |
High school completion in Sullivan County is close to the national rate: 88.8% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Missouri overall (91.8%). Since 2006–10, the share with a diploma has risen 8.4 points, as it has 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 Sullivan County
| Period | Sullivan County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 8.1% | 7.4% | 8.1% |
| 2010–14 | 6.2% | 8.4% | 9.4% |
| 2015–19 | 2.2% | 4.6% | 5.6% |
| 2020–24 | 2.1% | 4.1% | 5.4% |
| Change | −6.0 pts | −3.3 pts | −2.7 pts |
Unemployment in Sullivan County has been low: just 2.1% of the labor force was out of work and looking, well below the national rate of 5.4%. Of Missouri's 115 counties, only nine have lower unemployment. Unemployment has fallen 6.0 points since 2006–10, in line with the national trend.
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).
Sullivan 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sullivan County | 2.86 | 43.4 | 9.5% | 24.9% | 31.9% | 1968 | $650 | 15.5% | 88.8% | 2.1% |
| Adair County | 2.89 | 35.1 | 8.2% | 39.0% | 19.8% | 1973 | $803 | 40.6% | 94.2% | 3.7% |
| Harrison County | 2.56 | 43.9 | 9.0% | 28.6% | 20.1% | 1966 | $759 | 15.7% | 89.7% | 2.4% |
| Knox County | 2.89 | 42.4 | 8.3% | 14.9% | 33.8% | 1965 | $666 | 15.8% | 80.9% | 1.1% |
| Gentry County | 2.55 | 40.3 | 6.2% | 25.6% | 17.1% | 1971 | $658 | 21.4% | 89.0% | 2.3% |
| Nodaway County | 2.17 | 38.9 | 6.6% | 37.7% | 10.8% | 1975 | $739 | 29.9% | 95.3% | 2.4% |
| Schuyler County | 2.16 | 47.8 | 10.2% | 20.6% | 18.8% | 1971 | $876 | 19.1% | 93.1% | 4.8% |
| Pawnee County | 2.30 | 46.8 | 6.6% | 19.8% | 24.1% | 1950 | $855 | 21.4% | 87.0% | 2.6% |
| Mason County | 2.22 | 44.8 | 9.7% | 18.2% | 13.5% | 1959 | $780 | 17.3% | 93.0% | 4.7% |
| Gage County | 2.30 | 42.9 | 9.1% | 26.5% | 10.7% | 1961 | $826 | 24.4% | 93.8% | 1.6% |
| Logan County | 2.23 | 41.8 | 11.9% | 31.5% | 6.7% | 1963 | $825 | 21.3% | 93.0% | 4.0% |
All figures 2020–24.
Counties with similar populations: Van Buren County, TN · Cameron Parish, LA · Campbell County, SD · Carbon County, MT · Caribou County, ID · Trousdale County, TN · Union County, IA · Valley County, ID · Valley County, MT · Valley County, NE
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 Sullivan 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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