San Diego Flag

San Diego

County:
Duval County
County Seat:
Yes
Area (mi²):
1.901
State:
Texas

San Diego is a city located in Duval County, Texas. San Diego has a 2025 population of 3,517. It is also the county seat of Duval County. San Diego is currently declining at a rate of -1.24% annually and its population has decreased by -5.86% since the most recent census, which recorded a population of 3,736 in 2020.

The average household income in San Diego is $50,990 with a poverty rate of 32.07%.The median age in San Diego is 35.6 years: 39.5 years for males, and 32.1 years for females.

3.5K
Total Population
1,850
Density (mi²)
-44 -1.24%
Growth

San Diego Population

San Diego Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of San Diego includes 83.14% White, 4.43% other race, and smaller percentages for Native American, Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,15583.14%
Two or more races41911.04%
Other race1684.43%
Native American511.34%
Black or African American20.05%

San Diego Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Diego's average per capita income is $34,912. Household income levels show a median of $46,969. The poverty rate stands at 32.07%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$55,179-
Households$46,969$50,990
Non Families$45,179$48,302
Families$44,203$48,834

$34,912

Average Income

$46,969

Median Household Income

32.07%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)