Mariposa County's estimated 2026 population is 17,152 with a growth rate of 0.3% 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 -6.28% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mariposa County includes 79.68% White, 5.51% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White (79.68%)
Two or more races (10.04%)
Other race (5.51%)
Native American (1.79%)
Asian (1.62%)
Black or African American (1.31%)
Native Hawaiian or Pacific Islander (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,594 | 79.68% |
| Two or more races | 1,713 | 10.04% |
| Other race | 940 | 5.51% |
| Native American | 305 | 1.79% |
| Asian | 277 | 1.62% |
| Black or African American | 224 | 1.31% |
| Native Hawaiian or Pacific Islander | 7 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Mariposa County's average per capita income is $47,907. Household income levels show a median of $65,378. The poverty rate stands at 13.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,724 | - |
| Families | $82,228 | $104,804 |
| Households | $65,378 | $86,394 |
| Non Families | $41,780 | $56,687 |
Average Income
Median Household Income
Poverty Rate