Population 17,082 · Census ACS 2020–24
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Population and households in Mariposa County
Household size in Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 2.27 | 3.04 | 2.68 |
| 2010–14 | 2.34 | 3.10 | 2.73 |
| 2015–19 | 2.13 | 3.09 | 2.71 |
| 2020–24 | 2.01 | 3.01 | 2.65 |
| Change | −0.26 | −0.03 | −0.03 |
Households in Mariposa County are small: just 2.01 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 2.27, a much bigger shift than nationally. No other California county has smaller 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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 48.4 | 35.8 | 37.7 |
| 2010–14 | 49.9 | 36.8 | 38.6 |
| 2015–19 | 52.4 | 37.9 | 39.6 |
| 2020–24 | 53.6 | 39.0 | 40.1 |
| Change | +5.3 | +3.1 | +2.3 |
Mariposa County skews older: half of its residents are older than 53.6, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has climbed from 48.4, in line with the national trend. Of California's 58 counties, only two are older.
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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 13.5% | 12.3% |
| 2010–14 | 8.7% | 13.5% | 12.3% |
| 2015–19 | 10.9% | 12.3% | 11.6% |
| 2020–24 | 7.8% | 12.3% | 11.6% |
| Change | −2.3 pts | −1.2 pts | −0.6 pts |
Single-parent households are relatively rare in Mariposa County: 7.8% of households, against 11.6% nationally. Since 2006–10, the single-parent share has fallen 2.3 points, a much bigger shift than nationally. Only five of California's 58 counties have a lower share of single-parent households.
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 Mariposa County
Renters in Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 30.0% | 42.6% | 33.3% |
| 2010–14 | 27.2% | 45.2% | 35.6% |
| 2015–19 | 31.6% | 45.2% | 36.0% |
| 2020–24 | 25.3% | 44.1% | 34.8% |
| Change | −4.7 pts | +1.5 pts | +1.5 pts |
Most households in Mariposa County own their homes; 25.3% rent, below the national share of 34.8%. Among homeowners, 46.3% have no mortgage at all, above the national share of 39.8%. Renting is most common in the east and least common in the northwest. The renter share has fallen 4.7 points since 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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 19.4% | 8.7% | 11.4% |
| 2010–14 | 25.1% | 8.1% | 11.4% |
| 2015–19 | 21.7% | 7.5% | 11.1% |
| 2020–24 | 21.8% | 7.3% | 9.6% |
| Change | +2.4 pts | −1.4 pts | −1.8 pts |
Vacancy is high in Mariposa County: 21.8% 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. Vacancy has risen 2.4 points since 2006–10, 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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 1980 | 1972 | 1974 |
| 2010–14 | 1982 | 1973 | 1975 |
| 2015–19 | 1983 | 1974 | 1977 |
| 2020–24 | 1986 | 1976 | 1980 |
| Change | +7 | +4 | +6 |
Homes in Mariposa County are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S. The median year built has moved up from 1980 in 2006–10, a sign of steady new building. Newer construction is concentrated in the west, 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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | $706 | $1,298 | $965 |
| 2010–14 | $999 | $1,379 | $1,040 |
| 2015–19 | $968 | $1,721 | $1,213 |
| 2020–24 | $1,536 | $2,229 | $1,571 |
| Change | +$831 | +$931 | +$606 |
Rent in Mariposa County runs $1,536 a month at the median, utilities included, close to the U.S. median of $1,571. Rents here are lower than in California as a whole ($2,229). Rents are up $831 a month from 2006–10, a 118% jump, faster than rents rose nationally. The typical renter here spends 31.2% of household income on rent, just over 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 Mariposa County
Bachelor's degrees in Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 20.4% | 29.1% | 28.4% |
| 2010–14 | 21.8% | 30.1% | 29.6% |
| 2015–19 | 24.7% | 32.9% | 32.1% |
| 2020–24 | 30.4% | 36.3% | 35.6% |
| Change | +10.0 pts | +7.1 pts | +7.2 pts |
College degrees are a little less common in Mariposa County than nationally: 30.4% of adults 25 and older have a bachelor's or higher, against 35.6%. Since 2006–10, the share with a degree has risen 10.0 points, as it has nationally. College graduates are most concentrated in the east and least in the northwest.
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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 89.9% | 79.9% | 84.9% |
| 2010–14 | 88.7% | 80.7% | 86.1% |
| 2015–19 | 90.7% | 82.6% | 87.7% |
| 2020–24 | 90.5% | 84.2% | 89.3% |
| Change | +0.6 pts | +4.3 pts | +4.3 pts |
About as many adults in Mariposa County have finished high school as nationally: 90.5%, against 89.3%. The rate is higher than in California as a whole (84.2%). The share with a diploma is up 0.6 points from 2006–10, a smaller shift than 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 Mariposa County
| Period | Mariposa County | California | U.S. |
|---|---|---|---|
| 2006–10 | 14.5% | 9.2% | 8.1% |
| 2010–14 | 13.6% | 11.3% | 9.4% |
| 2015–19 | 8.9% | 6.3% | 5.6% |
| 2020–24 | 6.4% | 6.6% | 5.4% |
| Change | −8.1 pts | −2.6 pts | −2.7 pts |
Unemployment runs a little high in Mariposa County: 6.4% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 8.1 points since 2006–10, as it has 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).
Mariposa 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mariposa County | 2.01 | 53.6 | 7.8% | 25.3% | 21.8% | 1986 | $1,536 | 30.4% | 90.5% | 6.4% |
| Stanislaus County | 3.20 | 35.5 | 14.8% | 38.8% | 5.3% | 1981 | $1,709 | 19.1% | 79.4% | 8.0% |
| San Mateo County | 2.88 | 41.7 | 8.1% | 41.5% | 8.7% | 1967 | $2,969 | 53.6% | 90.1% | 4.7% |
| San Juan County | 3.11 | 35.2 | 14.3% | 19.1% | 19.2% | 1987 | $904 | 20.9% | 87.7% | 11.6% |
| Rio Grande County | 2.30 | 44.3 | 11.7% | 32.9% | 16.7% | 1975 | $974 | 33.9% | 87.6% | 11.8% |
| Alamosa County | 2.40 | 33.7 | 14.9% | 44.1% | 9.2% | 1984 | $951 | 33.1% | 88.3% | 3.6% |
| Huerfano County | 2.27 | 52.5 | 9.9% | 24.9% | 29.7% | 1964 | $906 | 23.6% | 90.1% | 7.5% |
| Stanton County | 2.42 | 37.7 | 5.1% | 23.5% | 11.2% | 1969 | $686 | 23.7% | 78.6% | 1.7% |
| Grant County | 3.29 | 37.3 | 5.2% | 23.3% | 16.9% | 1975 | $708 | 22.6% | 76.1% | 0.7% |
| Haskell County | 2.59 | 36.9 | 7.0% | 23.7% | 9.5% | 1974 | $836 | 19.3% | 74.7% | 3.8% |
| Kiowa County | 2.31 | 40.5 | 3.3% | 27.0% | 17.4% | 1976 | $741 | 28.3% | 88.7% | 2.1% |
All figures 2020–24.
Counties with similar populations: Benton County, IN · Andrew County, MO · Yazoo County, MS · Appanoose County, IA · Barnes County, ND · Wilkinson County, GA · Archer County, TX · Archuleta County, CO · Baraga County, MI · Wetzel 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 Mariposa 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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