HomeTexasDuval CountySan Diego
San Diego, Texas: commercial real estate data.
San Diego is a Census city of 3,675 people across 1.90 square miles of land, lying across Duval County and Jim Wells County. Median household income is $53,174, 71.5 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
San Diego
What San Diego is
- Census place typecity
- Land area1.9 sq mi
- Water area0 sq mi
- Population per square mile of land1,933
- County holding the largest share of its areaDuval County, 77.3 percent
- Counties this place lies inDuval County 77.3 percent, Jim Wells County 22.7 percent
San Diego crosses a county line. The split above is measured from the Census boundary of the place against the county boundaries, by area, so it says where the ground is and not where the town hall is.
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
San Diego
How many people live in San Diego
- Population3,675
- Median age29.8 plus or minus 8.9
- Population under 181,328 plus or minus 340
- Share under 1836.1 percent plus or minus 8.2
- Population 65 and over487 plus or minus 148
- Share 65 and over13.3 percent plus or minus 3.7
- Households1,253
- Family households786 plus or minus 216
- Share of households that are families62.7 percent plus or minus 12.8
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
San Diego
Income and work in San Diego
- Median household income$53,174 plus or minus $11,520
- Per capita income$21,740 plus or minus $4,464
- Civilian labor force1,460 plus or minus 380
- Employed1,303 plus or minus 358
- Unemployed157 plus or minus 106
- Unemployment rate10.8 percent plus or minus 6.7
- Adults 25 and over2,070
- Adults 25 and over with a high school diploma or higher78.7 percent
- Adults 25 and over with a bachelor degree or higher12.1 percent plus or minus 8.5
- Adults 25 and over with a graduate degree1.1 percent plus or minus 1.5
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
San Diego
Housing in San Diego
- Housing units1,736
- Occupied units1,253
- Vacant units483 plus or minus 167
- Vacancy rate27.8 percent plus or minus 8.6
- Owner occupied896 plus or minus 243
- Renter occupied357 plus or minus 177
- Ownership rate71.5 percent plus or minus 14.3
- Median owner-occupied home value$85,600 plus or minus $34,787
- Median gross rent, monthly$1,096 plus or minus $582
- Annual rent as a share of median income24.7 percent plus or minus 14.2
- Single family units1,419
- Share single family81.7 percent
- Units in buildings of two or more159 plus or minus 116
- Share in buildings of two or more9.2 percent plus or minus 6.5
- Mobile homes158 plus or minus 112
- Median year structure built1969
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
San Diego
How San Diego gets to work
- Workers 16 and over who commute1,136 plus or minus 337
- Commuting under 15 minutes387 plus or minus 181
- Share commuting under 15 minutes34.1 percent plus or minus 12.3
- Commuting 30 minutes or more561 plus or minus 282
- Share commuting 30 minutes or more49.4 percent plus or minus 20.1
- Drove alone79.2 percent
- Carpooled6.1 percent plus or minus 5.2
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home10.3 percent plus or minus 9.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
San Diego
SBA loans in San Diego (504)
- Approvals1
- Gross approval$307,000
- Average approval$307,000
- Median approval$307,000
- Largest approval$307,000
- Jobs supported0
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in San Diego, in any county, FY2010 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
San Diego
Flood risk in San Diego
- NFIP communityCity of San Diego
- NFIP community number481199
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/15/17
The City of San Diego participates in the National Flood Insurance Program as community 481199 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Duval County, not San Diego
Duval County context, not San Diego figures
- Establishments in Duval County144
- Covered employment, Duval County3,673
- Average annual pay, Duval County$40,727
Every figure in this section is published for Duval County as a whole and is not a measurement of San Diego.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
San Diego questions, answered from the record.
How many people live in San Diego, Texas?
3,675, in 1,253 households. San Diego city covers 1.90 square miles of land, which is 1,933 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is San Diego in?
San Diego lies in more than one. By area it is 77.3 percent in Duval County, 22.7 percent in Jim Wells County. This page sits under Duval County because that county holds the largest share. The split is measured from the Census boundary of the place against the county boundaries.
What is the median household income in San Diego?
$53,174. The median owner-occupied home is valued at $85,600. Median gross rent is $1,096 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is San Diego in the National Flood Insurance Program?
Yes. San Diego appears in the FEMA Community Status Book as San Diego, city of, community 481199, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page San Diego figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Duval County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of San Diego.
Is zoning published for San Diego?
No. Nothing on this page presents parcel level zoning.
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