San Diego, Texas Population 2021

4,205
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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

Population by Race

Race Population Percentage
White4,00699.70%
Two or More Races90.22%
Some Other Race30.07%
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San Diego Population by Race

San Diego Population Pyramid $2021

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San Diego Median Age

33.7


Total

29.9


Male

35


Female

San Diego Adults

There are 2,721 adults, (554 of whom are seniors) in San Diego.

San Diego Age Dependency

85.4

Age Dependency Ratio

25.6

Old Age Dependency Ratio

59.9

Child Dependency Ratio

San Diego Sex Ratio

Female

2,095

52.14%

Male

1,923

47.86%

San Diego Population by Age

San Diego Renter vs Owner Occupied by Household Type

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San Diego Household Types

Type Owner Renter
Married81.9%18.1%
All58.7%41.3%
Female49.9%50.1%
Non Family49.1%50.9%
Male34.8%65.2%

58.7%

Rate of Home Ownership

San Diego Households and Families

Type Count Average Size Owned
All1,3083.0158.7
Female4993.7949.9
Married3923.6581.9
Non Family3711.1549.1
Male464.1534.8

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 Grade44418.61%
9th to 12th Grade45919.24%
High School Graduate71529.97%
Some College54322.76%
Associates Degree743.10%
Bachelors Degree833.48%
Graduate Degree682.85%
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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
Hispanic2,2361,369143
White1501148
2+ Races99
Other Race33

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

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Name Average Male Female
Overall$22,778$32,200$17,295
Less Than 9th Grade$15,898$29,855$14,107
High School Graduate$18,571$48,667$17,254
Some College$24,069$40,278$22,039
Bachelors Degree$51,985$61,667$
Graduate Degree$62,578$$

$22,778

Average Earnings

$32,200

Average Male

$17,295

Average Female

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

San Diego Poverty by Race

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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

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Name Poverty
Less Than 9th Grade37.60%
High School20.37%
Some College15.59%
Bachelors or Greater0.00%

San Diego Poverty Rate by Education

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Rate Poverty
Male Unemployed65.38%
Female Unemployed59.65%
Female Employed15.66%
Male Employed4.12%

San Diego Poverty Rate by Employment Status and Sex

San Diego Income by Household Type

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Name Median Mean
Households$25,489$42,680
Families$32,656$47,038
Married Families$66,226-
Non Families-$26,976
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Income by Household Type

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

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141

Number of Veterans

141

Male Veterans

Female Veterans

War Veterans
First Gulf War90
Second Gulf War69
Korea22
Vietnam19
World War II

San Diego Veterans by War

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Age Group Veterans
35 to 5493
75+29
65 to 7419
55 to 64
18 to 34

San Diego Veterans by Age

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Name Veterans % of Total
Hispanic1415.48%
White1415.20%

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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93.50%

Born in San Diego

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
20214,205-8-0.19%
20204,213-8-0.19%
20194,221-8-0.19%
20184,229-24-0.56%
20174,253-73-1.69%
20164,326-14-0.32%
20154,340-54-1.23%
20144,394-21-0.48%
20134,415-19-0.43%
20124,434-19-0.43%
20114,453-4-0.09%
20104,457-296-0.64%
20004,753-230-0.47%
19904,983-242-0.47%
19805,2257351.53%
19704,4901390.31%
19604,351-46-0.11%
19504,3971,7235.10%
19402,6740.00%

San Diego Population by Year