Census tract · Marin County
Census Tract 1142, Marin County, California
Census Tract 1142, GEOID 06041114200, in Marin County, California, mostly within Fairfax, Marin County (58% of its census blocks). 2,915 residents in the ACS 2020-2024 5-year estimates (±322); the 2020 Census counted 3,164.
Residents, 2020-2024
2,915
±322 (90% margin)
2020 Census count: 3,164
Median household income
$133,750
±$28,061 (90% margin)
Marin County: $149,091
Median home value
$1,126,300
±$89,462 (90% margin)
Marin County: $1,507,300
Median gross rent
$2,257
±$241 (90% margin)
Marin County: $2,668
Where is Census Tract 1142?
Census Tract 1142 is one of 63 census tracts in Marin County, California. It covers 1.73 square miles of land, 1,831 residents per square mile in 2020. Its GEOID, 06041114200, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Fairfax, Marin County | 58% |
| Sleepy Hollow | 4% |
6 census tracts border Census Tract 1142: Tract 1070 ($200,761), Tract 1130 ($147,062), Tract 1141 ($164,706), Tract 1150 ($198,036), Tract 1311 ($185,104) and Tract 1330 ($114,167). 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 1142?
The 2020-2024 American Community Survey puts Census Tract 1142's population at 2,915 (±322) in 1,277 households; the 2020 Census counted 3,164 residents and 1,379 housing units.
| Measure | Tract 1142 | Fairfax, Marin County |
|---|---|---|
| Total population | 2,915 ±322 | 7,516 |
| Households | 1,277 ±162 | 3,265 |
| Average household size | 2.26 ±0.18 | 2.29 |
| Housing units | 1,353 ±149 | 3,417 |
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 1142?
The median resident of Census Tract 1142 is 49.4 years old; 17.0% are under 18 and 27.8% are 65 or older. The largest group is non-Hispanic white residents at 77.2%, then Hispanic or Latino residents (of any race) at 7.7%. 11.6% of residents were born outside the United States.
| Measure | Tract 1142 | Fairfax, Marin County |
|---|---|---|
| Median age | 49.4 ±3.5 | 48.7 |
| Under 18 years | 17.0% ±3.5 pts | 17.0% |
| 65 years and over | 27.8% ±5.2 pts | 23.1% |
| Hispanic or Latino (any race) | 7.7% ±4.0 pts | 6.8% |
| White alone, not Hispanic | 77.2% ±6.9 pts | 80.3% |
| Black or African American alone, not Hispanic | 2.7% ±2.1 pts | 2.0% |
| Asian alone, not Hispanic | 2.7% ±2.3 pts | 3.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.4 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 3.1% ±4.5 pts | 1.2% |
| Two or more races, not Hispanic | 5.6% ±2.6 pts | 5.7% |
| Some other race alone, not Hispanic | 0.8% ±0.9 pts | 0.7% |
| Born outside the United States | 11.6% ±4.6 pts | 10.6% |
| Speak a language other than English at home (age 5+) | 14.9% ±5.5 pts | 10.3% |
| Civilian veterans (age 18+) | 3.9% ±2.5 pts | 3.6% |
| With a disability | 12.1% ±4.2 pts | 9.9% |
| No health insurance coverage | 3.7% ±2.7 pts | 3.3% |
| High school graduate or higher (age 25+) | 96.7% ±3.3 pts | 98.3% |
| Bachelor's degree or higher (age 25+) | 74.6% ±6.8 pts | 70.1% |
| Graduate or professional degree (age 25+) | 26.3% ±6.1 pts | 27.8% |
| Lived in the same house a year earlier | 88.9% ±6.2 pts | 90.3% |
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 1142 earn?
Half of the 1,277 households in Census Tract 1142 earn less than $133,750 a year (±$28,061), against $149,091 across Marin County: 37th highest of the county's 61 tracts with a reliable estimate. 8.8% of residents live below the poverty line.
| Measure | Tract 1142 | Fairfax, Marin County |
|---|---|---|
| Median household income | $133,750 ±$28,061 | $141,653 |
| Mean household income | $194,486 ±$32,865 | $189,361 |
| Per capita income | $87,587 ±$12,729 | $82,720 |
| People below the poverty line | 8.8% ±4.5 pts | 12.1% |
| Children under 18 below the poverty line | 3.8% ±5.6 pts | 13.7% |
| Households receiving SNAP | 10.3% ±5.4 pts | 12.2% |
| Households with a computer | 98.7% ±2.3 pts | 98.7% |
| Households with a broadband subscription | 97.4% ±2.4 pts | 98.1% |
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 1142?
Owners occupy 62.7% of Census Tract 1142's occupied homes and renters 37.3%. The median owner-occupied home is valued at $1,126,300 by its owner (±$89,462). The median renter pays $2,257 a month including utilities, and 54.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 1142 | Fairfax, Marin County |
|---|---|---|
| Median home value (owner-occupied) | $1,126,300 ±$89,462 | $1,163,600 |
| Median gross rent | $2,257 ±$241 | $2,367 |
| Renters paying 35% or more of income on rent | 54.0% ±19.9 pts | 55.5% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 62.7% ±10.6 pts | 68.9% |
| Renter-occupied homes | 37.3% ±10.6 pts | 31.1% |
| Housing units | 1,353 ±149 | 3,417 |
| Single-family detached homes | 52.3% ±7.5 pts | 68.1% |
| Mobile homes | 0.0% ±3.1 pts | 0.0% |
| Built 2020 or later | 0.0% ±3.1 pts | 1.1% |
| Built 2010 to 2019 | 1.0% ±1.5 pts | 0.4% |
| Built 1939 or earlier | 14.2% ±7.6 pts | 37.0% |
| Households with no vehicle | 1.7% ±2.7 pts | 1.1% |
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 1142 get to work?
42.6% of Census Tract 1142's workers drive alone and 42.7% work from home. The average trip to work takes 25.2 minutes.
| Measure | Tract 1142 | Fairfax, Marin County |
|---|---|---|
| In the labor force (age 16+) | 70.5% ±7.2 pts | 70.2% |
| Unemployment rate | 10.5% ±9.0 pts | 10.2% |
| Drove alone to work | 42.6% ±9.8 pts | 47.1% |
| Carpooled | 1.1% ±1.3 pts | 2.4% |
| Public transportation | 3.8% ±2.8 pts | 2.9% |
| Walked | 2.5% ±3.1 pts | 3.4% |
| Worked from home | 42.7% ±10.0 pts | 38.4% |
| Mean travel time to work | 25.2 min ±5.3 | 28.6 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 1142 compare with the other tracts in Marin County?
Among Marin County's tracts with a reliable estimate, Census Tract 1142 ranks as shown below (1 = highest).
| Measure | In Marin County |
|---|---|
| Population | 43rd of 62 |
| Residents per square mile | 42nd of 62 |
| Median household income | 37th of 61 |
| Per capita income | 33rd of 62 |
| Median home value | 44th of 61 |
| Median gross rent | 47th of 58 |
| Poverty rate | 19th of 37 |
| Bachelor's degree or higher | 17th of 60 |
| Median age | 26th of 62 |
| Owner-occupied share | 37th of 58 |
The tracts next to it on Marin County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 1262 | 34th | $147,089±$21,581 · within the margin of this tract |
| Tract 1130 | 35th | $147,062±$20,328 · within the margin of this tract |
| Tract 1050.02 | 36th | $136,153±$21,484 · within the margin of this tract |
| Tract 1142 | 37th | $133,750±$28,061 |
| Tract 1060.02 | 38th | $129,561±$14,545 · within the margin of this tract |
| Tract 1021 | 39th | $127,500±$13,529 · within the margin of this tract |
| Tract 1060.01 | 40th | $125,667±$31,477 · 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 1142?
2 of the 18 figures for Census Tract 1142 on this page carry a coefficient of variation over 40% and are 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