State
County
Land Area (mi²)
1.9 sq mi
Density (mi²)
2,212.0/sq mi
2020 Growth Rate
-0.19%
Growth Since 2010
-6.31%
Rank in State
Rank in Country
World Population Review
San Diego, Texas Population 2021
4,205
San Diego is a city located in Duval County Texas. It is also the county seat of Duval County. With a 2020 population of 4,205, it is the 408th largest city in Texas and the 5261st largest city in the United States . San Diego is currently declining at a rate of -0.19% annually and its population has decreased by -6.31% since the most recent census, which recorded a population of 4,488 in 2010. San Diego reached it's highest population of 5,225 in 1980. Spanning over 2 miles, San Diego has a population density of 2,212 people per square mile.
The average household income in San Diego is $42,680 with a poverty rate of 32.14%. The median rental costs in recent years comes to $669 per month, and the median house value is $36,600. The median age in San Diego is 33.7 years, 29.9 years for males, and 35 years for females.
San Diego Demographics
According to the most recent ACS, the racial composition of San Diego was:
- White: 99.70%
- Two or more races: 0.22%
- Other race: 0.07%
- Black or African American: 0.00%
- Native American: 0.00%
- Asian: 0.00%
- Native Hawaiian or Pacific Islander: 0.00%
The current population of San Diego, Texas is 4,205 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 4,229.The last official US Census in 2010 recorded the population at 4,488.
San Diego, Texas Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 4,006 | 99.70% |
| Two or More Races | 9 | 0.22% |
| Some Other Race | 3 | 0.07% |
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San Diego Population by Race
San Diego Population Pyramid $2021
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San Diego Population by Age
San Diego Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 1,308 | 3.01 | 58.7 |
| Female | 499 | 3.79 | 49.9 |
| Married | 392 | 3.65 | 81.9 |
| Non Family | 371 | 1.15 | 49.1 |
| Male | 46 | 4.15 | 34.8 |
3.57
Average Family Size
3.01
Average Household Size
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San Diego Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 444 | 18.61% |
| 9th to 12th Grade | 459 | 19.24% |
| High School Graduate | 715 | 29.97% |
| Some College | 543 | 22.76% |
| Associates Degree | 74 | 3.10% |
| Bachelors Degree | 83 | 3.48% |
| Graduate Degree | 68 | 2.85% |
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San Diego Educational Attainment by Sex (over 25)
San Diego Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| Hispanic | 2,236 | 1,369 | 143 |
| White | 150 | 114 | 8 |
| 2+ Races | 9 | 9 | |
| Other Race | 3 | 3 |
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 6.40%.
San Diego Educational Attainment by Race
San Diego Earnings by Educational Attainment
San Diego Language by Age
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San Diego Language
39.48% of San Diego residents speak only English, while 60.52% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 60.52% of the population.
San Diego Language
32.14%
Overall Poverty Rate
24.72%
Male Poverty Rate
39.16%
Female Poverty Rate
Poverty in San Diego
The race most likely to be in poverty in San Diego is Hispanic, with 33.75% below the poverty level.
The race least likely to be in poverty in San Diego is Hispanic, with 33.75% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 5.89%. Among those working part-time, it was 33.50%, and for those that did not work, the poverty rate was 41.35%.
San Diego Poverty
San Diego Poverty Rate by Education
San Diego Marital Status
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Marriage Rates
32.7%
Overall Marriage Rate
36.0%
Male Marriage Rate
29.6%
Female Marriage Rate
San Diego Married by Age and Sex
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San Diego Marriage
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 Over 65.
San Diego Marital Status by Race
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San Diego Marital Status
San Diego Veterans by War
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| Name | Veterans | % of Total |
|---|---|---|
| Hispanic | 141 | 5.48% |
| White | 141 | 5.20% |
San Diego Veterans by Race
San Diego Veterans by Education
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9.42%
Veteran Poverty Rate
38.41%
Veteran Disability Rate
San Diego Veterans by Education
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59.6%
Labor Force Participation
54.8%
Employment Rate
8.1%
Unemployment Rate
San Diego Employment by Age
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San Diego Employment by Race
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San Diego Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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96.94%
Native Born
3.06%
Foreign Born
0.75%
Non Citizen
2.31%
Naturalized
Place of Birth
96.94% of San Diego residents were born in the United States, with 93.50% having been born in Texas. 0.75% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
San Diego Place of Birth
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 4,205 | -8 | -0.19% |
| 2020 | 4,213 | -8 | -0.19% |
| 2019 | 4,221 | -8 | -0.19% |
| 2018 | 4,229 | -24 | -0.56% |
| 2017 | 4,253 | -73 | -1.69% |
| 2016 | 4,326 | -14 | -0.32% |
| 2015 | 4,340 | -54 | -1.23% |
| 2014 | 4,394 | -21 | -0.48% |
| 2013 | 4,415 | -19 | -0.43% |
| 2012 | 4,434 | -19 | -0.43% |
| 2011 | 4,453 | -4 | -0.09% |
| 2010 | 4,457 | -296 | -0.64% |
| 2000 | 4,753 | -230 | -0.47% |
| 1990 | 4,983 | -242 | -0.47% |
| 1980 | 5,225 | 735 | 1.53% |
| 1970 | 4,490 | 139 | 0.31% |
| 1960 | 4,351 | -46 | -0.11% |
| 1950 | 4,397 | 1,723 | 5.10% |
| 1940 | 2,674 | 0.00% |