San Jacinto County's 2026 population is estimated at 29,726, reflecting a 0.68% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). San Jacinto County is the 97th largest county in Texas. The 2010 population was 26,480 and has grown 12.26% since 2010.
Data after 2023 is projected based on recent change
Overall: 44 years
Female: 45.2 years
Male: 43.5 years
There are 22,321 adults, (6,130 of whom are seniors) in San Jacinto County.
Female: 14,098 (49.6%)
Male: 14,343 (50.4%)
The racial composition of San Jacinto County includes 72.49% White, 8.8% Black or African American, 5.32% other race, and smaller percentages for Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 20,618 | 72.49% |
| Two or more races | 3,544 | 12.46% |
| Black or African American | 2,504 | 8.8% |
| Other race | 1,513 | 5.32% |
| Native American | 164 | 0.58% |
| Asian | 98 | 0.34% |
San Jacinto County 's average per capita income is $44,443. Household income levels show a median of $65,364. The poverty rate stands at 18.37%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,743 | - |
| Families | $76,302 | $92,286 |
| Households | $65,364 | $82,266 |
| Non Families | $40,020 | $43,939 |
Average Income
Median Household Income
Poverty Rate