Mariposa County's estimated 2026 population is 16,888 with a growth rate of -0.18% in the past year according to the most recent United States census data. Mariposa County is the 53rd largest county in California. The 2010 population was 18,302 and has seen a growth of -7.73% since that time.
Data after 2023 is projected based on recent change
Overall: 51.2 years
Female: 53.3 years
Male: 49.2 years
There are 14,141 adults, (5,073 of whom are seniors) in Mariposa County.
Female: 8,393 (49.1%)
Male: 8,689 (50.9%)
The racial composition of Mariposa County includes 77.21% White, 5.71% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,189 | 77.21% |
| Two or more races | 2,095 | 12.26% |
| Other race | 976 | 5.71% |
| Asian | 326 | 1.91% |
| Native American | 285 | 1.67% |
| Black or African American | 182 | 1.07% |
| Native Hawaiian or Pacific Islander | 29 | 0.17% |
Mariposa County's average per capita income is $52,087. Household income levels show a median of $68,412. The poverty rate stands at 14.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $111,753 | - |
| Families | $90,634 | $109,611 |
| Households | $68,412 | $89,438 |
| Non Families | $40,235 | $53,340 |
Average Income
Median Household Income
Poverty Rate