San Diego is a city located in Duval County Texas. It is also the county seat of Duval County. With a 2020 population of 3,600, it is the 501st largest city in Texas and the 8010th largest city in the United States. San Diego is currently declining at a rate of -2.01% annually and its population has decreased by -11.37% since the most recent census, which recorded a population of 4,062 in 2020. Spanning over 2 miles, San Diego has a population density of 1,894 people per square mile.
The average household income in San Diego is $42,680 with a poverty rate of 27.30%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Diego is 33.7 years, 29.9 years for males, and 35 years for females.
According to the most recent ACS, the racial composition of San Diegowas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among other race people with a rate of 100.00%.
The highest rate of bachelors degrees is among hispanic people with a rate of 6.90%.
39.33% of San Diego residents speak only English, while 60.67% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 60.67% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in San Diego is Other, with NaN% below the poverty level.
The race least likely to be in poverty in San Diego is Multiple, with 5.42% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.10%. Among those working part-time, it was 26.99%, and for those that did not work, the poverty rate was 39.86%.
Overall Marriage Rate
Male Marriage Rate
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in San Diego
99.09% of San Diego residents were born in the United States, with 97.37% having been born in Texas. 0.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.