Population 54,732 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Johnson County
Household size in Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 2.50 | 2.49 | 2.68 |
| 2010–14 | 2.49 | 2.52 | 2.73 |
| 2015–19 | 2.49 | 2.50 | 2.71 |
| 2020–24 | 2.43 | 2.49 | 2.65 |
| Change | −0.07 | −0.00 | −0.03 |
Households in Johnson County run small, averaging 2.43 people against 2.65 nationally, which usually means more singles and couples and fewer children. Since 2006–10, household size has edged down from 2.50, in line with the national trend. Households are largest in the northwest and smallest in the center.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 34.2 | 38.4 | 37.7 |
| 2010–14 | 34.1 | 39.2 | 38.6 |
| 2015–19 | 35.2 | 40.0 | 39.6 |
| 2020–24 | 35.1 | 40.1 | 40.1 |
| Change | +0.8 | +1.7 | +2.3 |
With a median age of just 35.1, Johnson County is far younger than the country as a whole (40.1), a population that tilts toward young adults, many of them living alone or as couples. The median age has crept up from 34.2 in 2006–10, mirroring the country. Only three of Missouri's 115 counties are younger.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 7.9% | 11.3% | 12.3% |
| 2010–14 | 7.9% | 11.4% | 12.3% |
| 2015–19 | 10.1% | 10.9% | 11.6% |
| 2020–24 | 9.8% | 11.0% | 11.6% |
| Change | +2.0 pts | −0.3 pts | −0.6 pts |
Single parents head about one in ten households in Johnson County (9.8%), a little below the national share of 11.6%. The single-parent share is up 2.0 points from 2006–10, even as the national share fell.
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 Johnson County
Renters in Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 35.5% | 30.0% | 33.3% |
| 2010–14 | 39.3% | 32.1% | 35.6% |
| 2015–19 | 39.0% | 33.2% | 36.0% |
| 2020–24 | 36.5% | 31.9% | 34.8% |
| Change | +1.0 pts | +1.9 pts | +1.5 pts |
More than a third of households in Johnson County rent their homes (36.5%), close to the national share of 34.8%. Renters make up a bigger share here than in Missouri overall (31.9%). About four in ten owners (39.5%) have paid off their mortgages, about the same as nationally. Since 2006–10, the renter share has edged up 1.0 points, as it has nationally.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 11.6% | 11.4% |
| 2010–14 | 8.3% | 12.0% | 11.4% |
| 2015–19 | 11.2% | 12.2% | 11.1% |
| 2020–24 | 8.1% | 10.5% | 9.6% |
| Change | −2.0 pts | −1.1 pts | −1.8 pts |
Vacancy is on the low side in Johnson County: 8.1% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. Vacancy has fallen 2.0 points since 2006–10, mirroring the country. Johnson County has a lower vacancy rate than the great majority of Missouri counties.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 1981 | 1974 | 1974 |
| 2010–14 | 1984 | 1975 | 1975 |
| 2015–19 | 1987 | 1976 | 1977 |
| 2020–24 | 1988 | 1978 | 1980 |
| Change | +7 | +4 | +6 |
Much of the housing in Johnson County is relatively new: half of its homes were built after 1988, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1981 in 2006–10, a sign of steady new building. The newest homes are mostly in the northwest, the oldest in the southwest. Only 11 of Missouri's 115 counties have newer homes.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | $697 | $740 | $965 |
| 2010–14 | $766 | $816 | $1,040 |
| 2015–19 | $821 | $899 | $1,213 |
| 2020–24 | $888 | $1,122 | $1,571 |
| Change | +$191 | +$383 | +$606 |
The median renter in Johnson County pays $888 a month for rent and utilities, well below the national median of $1,571. Rents are up $191 a month from 2006–10, a 27% rise, a slower climb than the nation's. Rent takes 25.6% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Rents run highest in the southeast and lowest in the northwest.
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 Johnson County
Bachelor's degrees in Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 25.3% | 26.0% | 28.4% |
| 2010–14 | 27.2% | 27.3% | 29.6% |
| 2015–19 | 29.8% | 29.6% | 32.1% |
| 2020–24 | 30.4% | 32.6% | 35.6% |
| Change | +5.1 pts | +6.6 pts | +7.2 pts |
College degrees are a little less common in Johnson County than nationally: 30.4% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree has risen 5.1 points since 2006–10, mirroring the country. College graduates are most concentrated in the center and least in the southwest.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 91.0% | 86.8% | 84.9% |
| 2010–14 | 91.2% | 88.3% | 86.1% |
| 2015–19 | 92.6% | 90.0% | 87.7% |
| 2020–24 | 93.9% | 91.8% | 89.3% |
| Change | +2.9 pts | +5.1 pts | +4.3 pts |
High school completion in Johnson County is above the national rate: 93.9% of adults have a diploma, against 89.3%. Since 2006–10, the share with a diploma has risen 2.9 points, in line with the national trend. Johnson County has a higher share of high school graduates than the great majority of Missouri counties.
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 Johnson County
| Period | Johnson County | Missouri | U.S. |
|---|---|---|---|
| 2006–10 | 7.6% | 7.4% | 8.1% |
| 2010–14 | 8.5% | 8.4% | 9.4% |
| 2015–19 | 4.7% | 4.6% | 5.6% |
| 2020–24 | 4.4% | 4.1% | 5.4% |
| Change | −3.2 pts | −3.3 pts | −2.7 pts |
Jobs have been a little easier to find in Johnson County than nationally: unemployment was 4.4%, against 5.4%. Since 2006–10, unemployment has fallen 3.2 points, mirroring the country. 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).
Johnson 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Johnson County | 2.43 | 35.1 | 9.8% | 36.5% | 8.1% | 1988 | $888 | 30.4% | 93.9% | 4.4% |
| Pettis County | 2.59 | 38.9 | 12.0% | 30.9% | 9.8% | 1973 | $941 | 18.5% | 87.4% | 3.6% |
| Cass County | 2.60 | 41.2 | 12.1% | 24.4% | 7.3% | 1991 | $1,364 | 29.9% | 94.3% | 3.8% |
| Moniteau County | 2.48 | 39.3 | 9.7% | 20.8% | 8.4% | 1978 | $714 | 16.3% | 84.0% | 2.3% |
| Franklin County | 2.52 | 39.8 | 11.5% | 27.8% | 8.4% | 1973 | $1,008 | 24.7% | 92.3% | 3.3% |
| Callaway County | 2.53 | 41.8 | 12.5% | 24.5% | 11.4% | 1984 | $914 | 24.6% | 90.9% | 4.6% |
| Osage County | 2.43 | 44.1 | 8.4% | 17.6% | 11.9% | 1972 | $792 | 21.7% | 93.8% | 2.1% |
| Warren County | 2.70 | 42.1 | 9.0% | 19.8% | 12.9% | 1998 | $1,088 | 20.7% | 90.8% | 4.1% |
| Morris County | 2.07 | 47.5 | 6.5% | 19.9% | 14.2% | 1959 | $721 | 29.5% | 93.9% | 2.5% |
| St. Charles County | 2.59 | 40.8 | 8.5% | 19.5% | 4.5% | 1993 | $1,476 | 42.7% | 95.7% | 3.0% |
| Dickinson County | 2.30 | 43.2 | 8.9% | 21.4% | 9.2% | 1956 | $849 | 24.3% | 94.1% | 2.7% |
All figures 2020–24.
Counties with similar populations: Charlottesville City, VA · Waller County, TX · Walla Walla County, WA · Columbus County, NC · Clinton County, IA · Cherokee County, TX · Cherokee County, SC · Cherokee County, OK · Chenango County, NY · Warren County, IA
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 Johnson 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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