Stanislaus County's estimated 2026 population is 558,066 with a growth rate of 0.06% in the past year according to the most recent United States census data. Stanislaus County is the 16th largest county in California. The 2010 population was 515,137 and has seen a growth of 8.33% since that time.
Data after 2023 is projected based on recent change
Overall: 34.9 years
Female: 35.6 years
Male: 34.2 years
There are 406,611 adults, (76,271 of whom are seniors) in Stanislaus County.
Female: 277,583 (50.1%)
Male: 276,407 (49.9%)
The racial composition of Stanislaus County includes 42.82% White, 17.4% other race, 6.13% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 237,229 | 42.82% |
| Two or more races | 159,806 | 28.85% |
| Other race | 96,386 | 17.4% |
| Asian | 33,935 | 6.13% |
| Black or African American | 15,171 | 2.74% |
| Native American | 7,720 | 1.39% |
| Native Hawaiian or Pacific Islander | 3,743 | 0.68% |
Stanislaus County's average per capita income is $49,493. Household income levels show a median of $81,468. The poverty rate stands at 13.53%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,798 | $132,798 |
| Families | $91,307 | $115,574 |
| Households | $81,468 | $105,867 |
| Non Families | $50,184 | $68,664 |
Average Income
Median Household Income
Poverty Rate