Census tract · Contra Costa County
Census Tract 3120, Contra Costa County, California
Census Tract 3120, GEOID 06013312000, in Contra Costa County, California, entirely within Pittsburg. 3,106 residents in the ACS 2020-2024 5-year estimates (±433); the 2020 Census counted 2,974.
Residents, 2020-2024
3,106
±433 (90% margin)
2020 Census count: 2,974
Median household income
$71,375
±$28,553 (90% margin)
Contra Costa County: $127,229
Median home value
$520,000
±$71,647 (90% margin)
Contra Costa County: $866,800
Median gross rent
$1,965
±$469 (90% margin)
Contra Costa County: $2,375
Where is Census Tract 3120?
Census Tract 3120 is one of 242 census tracts in Contra Costa County, California. It covers 0.55 square miles of land, 5,397 residents per square mile in 2020. Its GEOID, 06013312000, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Pittsburg | 100% |
7 census tracts border Census Tract 3120: Tract 3050 ($65,000), Tract 3072.01 ($63,162), Tract 3090 ($86,818), Tract 3100 ($77,198), Tract 3110 ($78,989), Tract 3131.02 ($86,165) and Tract 3131.05 ($79,738). 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 3120?
The 2020-2024 American Community Survey puts Census Tract 3120's population at 3,106 (±433) in 885 households; the 2020 Census counted 2,974 residents and 961 housing units.
| Measure | Tract 3120 | Pittsburg |
|---|---|---|
| Total population | 3,106±433 | 76,257 |
| Households | 885±69 | 23,781 |
| Average household size | 3.46±0.41 | 3.18 |
| Housing units | 984±151 | 24,482 |
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 3120?
The median resident of Census Tract 3120 is 32.7 years old; 18.3% are under 18 and 10.7% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 39.8%, then non-Hispanic Asian residents at 20.3%. 26.1% of residents were born outside the United States.
| Measure | Tract 3120 | Pittsburg |
|---|---|---|
| Median age | 32.7±7.3 | 36.6 |
| Under 18 years | 18.3%±3.5 pts | 21.8% |
| 65 years and over | 10.7%±2.8 pts | 14.2% |
| Hispanic or Latino (any race) | 39.8%±9.2 pts | 43.0% |
| White alone, not Hispanic | 10.0%±4.3 pts | 15.8% |
| Black or African American alone, not Hispanic | 15.6%±4.7 pts | 13.7% |
| Asian alone, not Hispanic | 20.3%±8.0 pts | 19.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.4 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 1.0%±1.4 pts | 1.4% |
| Two or more races, not Hispanic | 12.6%±8.8 pts | 5.4% |
| Some other race alone, not Hispanic | 0.8%±1.2 pts | 1.0% |
| Born outside the United States | 26.1%±6.1 pts | 32.0% |
| Speak a language other than English at home (age 5+) | 50.3%±8.9 pts | 49.8% |
| Civilian veterans (age 18+) | 2.7%±1.8 pts | 4.2% |
| With a disability | 15.8%±4.3 pts | 13.4% |
| No health insurance coverage | 5.8%±2.8 pts | 6.5% |
| High school graduate or higher (age 25+) | 71.6%±6.8 pts | 81.5% |
| Bachelor's degree or higher (age 25+) | 17.4%±5.8 pts | 23.6% |
| Graduate or professional degree (age 25+) | 2.5%±2.1 pts | 6.7% |
| Lived in the same house a year earlier | 93.3%±5.7 pts | 89.6% |
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 3120 earn?
Half of the 885 households in Census Tract 3120 earn less than $71,375 a year (±$28,553), against $127,229 across Contra Costa County: 221st highest of the county's 239 tracts with a reliable estimate. 13.3% of residents live below the poverty line.
| Measure | Tract 3120 | Pittsburg |
|---|---|---|
| Median household income | $71,375±$28,553 | $99,861 |
| Mean household income | $95,760±$15,711 | $121,437 |
| Per capita income | $29,690±$5,617 | $38,833 |
| People below the poverty line | 13.3%±4.3 pts | 11.2% |
| Children under 18 below the poverty line | 10.1%±8.5 pts | 16.5% |
| Households receiving SNAP | 34.4%±9.5 pts | 16.2% |
| Households with a computer | 94.2%±4.0 pts | 96.3% |
| Households with a broadband subscription | 82.8%±6.0 pts | 92.1% |
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 3120?
Owners occupy 40.3% of Census Tract 3120's occupied homes and renters 59.7%. The median owner-occupied home is valued at $520,000 by its owner (±$71,647). The median renter pays $1,965 a month including utilities, and 46.3% of renters pay 35% or more of their income on rent.
| Measure | Tract 3120 | Pittsburg |
|---|---|---|
| Median home value (owner-occupied) | $520,000±$71,647 | $597,900 |
| Median gross rent | $1,965±$469 | $2,264 |
| Renters paying 35% or more of income on rent | 46.3%±13.2 pts | 55.4% |
| Median monthly owner costs, with a mortgage | $2,369±$661 | $2,762 |
| Owner-occupied homes | 40.3%±8.8 pts | 62.3% |
| Renter-occupied homes | 59.7%±8.8 pts | 37.7% |
| Housing units | 984±151 | 24,482 |
| Single-family detached homes | 63.1%±7.8 pts | 68.2% |
| Mobile homes | 0.0%±4.2 pts | 3.5% |
| Built 2020 or later | 0.0%±4.2 pts | 0.9% |
| Built 2010 to 2019 | 21.8%±8.0 pts | 9.6% |
| Built 1939 or earlier | 3.4%±2.7 pts | 4.3% |
| Households with no vehicle | 17.9%±7.0 pts | 7.1% |
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 3120 get to work?
71.9% of Census Tract 3120's workers drive alone and 7.9% work from home. The average trip to work takes 40.0 minutes. The unemployment rate in 2020-2024 averaged 10.6%.
| Measure | Tract 3120 | Pittsburg |
|---|---|---|
| In the labor force (age 16+) | 58.3%±7.0 pts | 65.3% |
| Unemployment rate | 10.6%±5.0 pts | 7.6% |
| Drove alone to work | 71.9%±7.6 pts | 69.3% |
| Carpooled | 9.6%±6.1 pts | 14.5% |
| Public transportation | 8.6%±4.7 pts | 5.3% |
| Walked | 1.5%±1.4 pts | 0.6% |
| Worked from home | 7.9%±3.7 pts | 9.4% |
| Mean travel time to work | 40.0 min±4.8 | 38.0 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 3120 compare with the other tracts in Contra Costa County?
Among Contra Costa County's tracts with a reliable estimate, Census Tract 3120 ranks as shown below (1 = highest).
| Measure | In Contra Costa County | In Pittsburg |
|---|---|---|
| Population | 204th of 241 | 13th of 16 |
| Residents per square mile | 104th of 241 | 7th of 16 |
| Median household income | 221st of 239 | 15th of 16 |
| Per capita income | 220th of 241 | 13th of 16 |
| Median home value | 216th of 236 | 11th of 16 |
| Median gross rent | 208th of 236 | 14th of 16 |
| Poverty rate | 32nd of 134 | 5th of 10 |
| Bachelor's degree or higher | 208th of 239 | 10th of 16 |
| Median age | 224th of 241 | 15th of 16 |
| Owner-occupied share | 215th of 240 | 16th of 16 |
The tracts next to it on Contra Costa County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 3760 | 218th | $73,730±$16,963 · within the margin of this tract |
| Tract 3671 | 219th | $72,005±$15,916 · within the margin of this tract |
| Tract 3072.05 | 220th | $71,925±$4,963 · within the margin of this tract |
| Tract 3120 | 221st | $71,375±$28,553 |
| Tract 3361.03 | 222nd | $70,221±$13,445 · within the margin of this tract |
| Tract 3690.02 | 223rd | $69,640±$31,008 · within the margin of this tract |
| Tract 3511.05 | 224th | $69,375±$24,656 · 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 3120?
Every figure for Census Tract 3120 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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