Census tract · San Diego County
Census Tract 121.02, San Diego County, California
Census Tract 121.02, GEOID 06073012102, in San Diego County, California, mostly within National City (86% of its census blocks). 2,708 residents in the ACS 2020-2024 5-year estimates (±451); the 2020 Census counted 3,160.
Residents, 2020-2024
2,708
±451 (90% margin)
2020 Census count: 3,160
Median household income
$69,714
±$19,337 (90% margin)
San Diego County: $106,268
Median home value
$557,500
±$75,090 (90% margin)
San Diego County: $854,700
Median gross rent
$1,847
±$216 (90% margin)
San Diego County: $2,246
Where is Census Tract 121.02?
Census Tract 121.02 is one of 737 census tracts in San Diego County, California. It covers 0.44 square miles of land, 7,264 residents per square mile in 2020. Its GEOID, 06073012102, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| National City | 86% |
5 census tracts border Census Tract 121.02: Tract 32.02 ($99,821), Tract 120.03 ($88,472), Tract 121.01 ($83,750), Tract 122 ($62,179) and Tract 220 ($72,188). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 121.02?
The 2020-2024 American Community Survey puts Census Tract 121.02's population at 2,708 (±451) in 913 households; the 2020 Census counted 3,160 residents and 939 housing units.
| Measure | Tract 121.02 | National City |
|---|---|---|
| Total population | 2,708±451 | 58,893 |
| Households | 913±130 | 18,217 |
| Average household size | 2.96±0.33 | 3.00 |
| Housing units | 1,019±107 | 19,414 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 121.02?
The median resident of Census Tract 121.02 is 36.7 years old; 19.2% are under 18 and 16.9% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 68.2%, then non-Hispanic white residents at 14.2%. 28.1% of residents were born outside the United States.
| Measure | Tract 121.02 | National City |
|---|---|---|
| Median age | 36.7±4.0 | 36.1 |
| Under 18 years | 19.2%±4.9 pts | 21.5% |
| 65 years and over | 16.9%±5.4 pts | 15.1% |
| Hispanic or Latino (any race) | 68.2%±7.3 pts | 63.5% |
| White alone, not Hispanic | 14.2%±5.7 pts | 10.6% |
| Black or African American alone, not Hispanic | 4.1%±3.7 pts | 5.1% |
| Asian alone, not Hispanic | 8.1%±4.1 pts | 16.7% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.6 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2%±0.3 pts | 0.3% |
| Two or more races, not Hispanic | 2.9%±2.6 pts | 2.9% |
| Some other race alone, not Hispanic | 2.3%±3.3 pts | 0.7% |
| Born outside the United States | 28.1%±5.5 pts | 36.0% |
| Speak a language other than English at home (age 5+) | 60.9%±7.2 pts | 66.0% |
| Civilian veterans (age 18+) | 6.1%±3.0 pts | 6.3% |
| With a disability | 12.9%±4.6 pts | 13.7% |
| No health insurance coverage | 12.9%±6.9 pts | 12.2% |
| High school graduate or higher (age 25+) | 86.0%±4.8 pts | 77.6% |
| Bachelor's degree or higher (age 25+) | 13.3%±4.8 pts | 18.1% |
| Graduate or professional degree (age 25+) | 4.5%±2.8 pts | 4.1% |
| Lived in the same house a year earlier | 91.8%±4.6 pts | 91.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 121.02 earn?
Half of the 913 households in Census Tract 121.02 earn less than $69,714 a year (±$19,337), against $106,268 across San Diego County: 631st highest of the county's 725 tracts with a reliable estimate. 22.4% of residents live below the poverty line.
| Measure | Tract 121.02 | National City |
|---|---|---|
| Median household income | $69,714±$19,337 | $66,841 |
| Mean household income | $93,770±$18,849 | $84,152 |
| Per capita income | $32,281±$6,729 | $30,909 |
| People below the poverty line | 22.4%±11.1 pts | 14.6% |
| Children under 18 below the poverty line | 29.7%±26.2 pts | 18.0% |
| Households receiving SNAP | 12.9%±7.5 pts | 21.3% |
| Households with a computer | 95.5%±3.6 pts | 93.2% |
| Households with a broadband subscription | 94.6%±3.8 pts | 87.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 121.02?
Owners occupy 57.9% of Census Tract 121.02's occupied homes and renters 42.1%. The median owner-occupied home is valued at $557,500 by its owner (±$75,090). The median renter pays $1,847 a month including utilities, and 53.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 121.02 | National City |
|---|---|---|
| Median home value (owner-occupied) | $557,500±$75,090 | $612,200 |
| Median gross rent | $1,847±$216 | $1,692 |
| Renters paying 35% or more of income on rent | 53.4%±15.7 pts | 50.4% |
| Median monthly owner costs, with a mortgage | $2,229±$288 | $2,446 |
| Owner-occupied homes | 57.9%±9.4 pts | 34.7% |
| Renter-occupied homes | 42.1%±9.4 pts | 65.3% |
| Housing units | 1,019±107 | 19,414 |
| Single-family detached homes | 47.5%±10.3 pts | 40.4% |
| Mobile homes | 0.0%±4.1 pts | 2.4% |
| Built 2020 or later | 0.0%±4.1 pts | 1.8% |
| Built 2010 to 2019 | 0.0%±4.1 pts | 5.8% |
| Built 1939 or earlier | 13.4%±6.6 pts | 8.0% |
| Households with no vehicle | 10.1%±6.9 pts | 10.9% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 121.02 get to work?
64.0% of Census Tract 121.02's workers drive alone and 10.3% work from home. The average trip to work takes 25.4 minutes. The unemployment rate in 2020-2024 averaged 9.7%.
| Measure | Tract 121.02 | National City |
|---|---|---|
| In the labor force (age 16+) | 60.0%±6.8 pts | 66.6% |
| Unemployment rate | 9.7%±6.3 pts | 6.6% |
| Drove alone to work | 64.0%±8.3 pts | 68.5% |
| Carpooled | 22.2%±6.5 pts | 14.6% |
| Public transportation | 3.0%±3.3 pts | 4.0% |
| Walked | 0.2%±0.5 pts | 4.3% |
| Worked from home | 10.3%±6.4 pts | 6.5% |
| Mean travel time to work | 25.4 min±2.6 | 25.4 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 121.02 compare with the other tracts in San Diego County?
Among San Diego County's tracts with a reliable estimate, Census Tract 121.02 ranks as shown below (1 = highest).
| Measure | In San Diego County | In National City |
|---|---|---|
| Population | 643rd of 735 | 13th of 14 |
| Residents per square mile | 309th of 736 | 11th of 14 |
| Median household income | 631st of 725 | 7th of 14 |
| Per capita income | 593rd of 734 | 6th of 14 |
| Median home value | 644th of 703 | 13th of 14 |
| Median gross rent | 576th of 703 | 4th of 14 |
| Poverty rate | 61st of 472 | 2nd of 12 |
| Bachelor's degree or higher | 698th of 732 | 12th of 14 |
| Median age | 451st of 735 | 8th of 14 |
| Owner-occupied share | 366th of 708 | 5th of 14 |
The tracts next to it on San Diego County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 166.16 | 628th | $70,855±$24,002 · within the margin of this tract |
| Tract 165.04 | 629th | $70,394±$12,114 · within the margin of this tract |
| Tract 104.02 | 630th | $70,125±$15,884 · within the margin of this tract |
| Tract 121.02 | 631st | $69,714±$19,337 |
| Tract 150.02 | 632nd | $69,545±$20,678 · within the margin of this tract |
| Tract 186.15 | 633rd | $69,149±$12,587 · within the margin of this tract |
| Tract 124.02 | 634th | $69,048±$26,572 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 121.02?
1 of the 18 figures for Census Tract 121.02 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections