Census tract · Tuolumne County
Census Tract 31.03, Tuolumne County, California
Census Tract 31.03, GEOID 06109003103, in Tuolumne County, California, partly within Sierra Village, Long Barn, Cold Springs (Tuolumne County) and Strawberry (Tuolumne County). 819 residents in the ACS 2020-2024 5-year estimates (±143); the 2020 Census counted 1,314.
Residents, 2020-2024
819
±143 (90% margin)
2020 Census count: 1,314
Median household income
$62,059
±$8,085 (90% margin)
Tuolumne County: $77,404
Median home value
$435,000
±$34,409 (90% margin)
Tuolumne County: $433,200
Median gross rent
not published
Tuolumne County: $1,302
Where is Census Tract 31.03?
Census Tract 31.03 is one of 18 census tracts in Tuolumne County, California. It covers 563.04 square miles of land, 2 residents per square mile in 2020. Its GEOID, 06109003103, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Sierra Village | 6% |
| Long Barn | 5% |
| Cold Springs (Tuolumne County) | 3% |
| Strawberry (Tuolumne County) | 3% |
6 census tracts border Census Tract 31.03: Tract 100 in Alpine County ($105,521), Tract 1.02 in Mono County ($105,091), Tract 21.02 ($61,667), Tract 31.02 ($88,584), Tract 32 ($80,000) and Tract 42.01 ($91,042). 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 31.03?
The 2020-2024 American Community Survey puts Census Tract 31.03's population at 819 (±143) in 446 households; the 2020 Census counted 1,314 residents and 2,567 housing units.
| Measure | Tract 31.03 | Tuolumne County |
|---|---|---|
| Total population | 819 ±143 | 54,498 |
| Households | 446 ±119 | 22,690 |
| Average household size | 1.60 ±0.19 | 2.25 |
| Housing units | 2,196 ±197 | 31,589 |
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 31.03?
The median resident of Census Tract 31.03 is 64.1 years old; 8.1% are under 18 and 45.7% are 65 or older. The largest group is non-Hispanic white residents at 76.3%, then Hispanic or Latino residents (of any race) at 21.2%.
| Measure | Tract 31.03 | Tuolumne County |
|---|---|---|
| Median age | 64.1 ±3.2 | 48.4 |
| Under 18 years | 8.1% ±3.1 pts | 17.1% |
| 65 years and over | 45.7% ±9.0 pts | 28.1% |
| Hispanic or Latino (any race) | 21.2% ±6.5 pts | 13.6% |
| White alone, not Hispanic | 76.3% ±6.7 pts | 78.0% |
| Black or African American alone, not Hispanic | 0.0% ±5.1 pts | 1.8% |
| Asian alone, not Hispanic | 1.3% ±2.7 pts | 1.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.7% ±1.5 pts | 0.6% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±5.1 pts | 0.3% |
| Two or more races, not Hispanic | 0.4% ±1.1 pts | 3.8% |
| Some other race alone, not Hispanic | 0.0% ±5.1 pts | 0.5% |
| Born outside the United States | 5.6% ±7.1 pts | 4.6% |
| Speak a language other than English at home (age 5+) | 17.8% ±7.7 pts | 7.2% |
| Civilian veterans (age 18+) | 10.1% ±8.2 pts | 9.6% |
| With a disability | 24.6% ±9.4 pts | 21.2% |
| No health insurance coverage | 0.2% ±0.9 pts | 5.3% |
| High school graduate or higher (age 25+) | 98.9% ±1.5 pts | 93.3% |
| Bachelor's degree or higher (age 25+) | 26.8% ±12.3 pts | 24.6% |
| Graduate or professional degree (age 25+) | 13.7% ±9.6 pts | 8.5% |
| Lived in the same house a year earlier | 86.4% ±5.3 pts | 87.9% |
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 31.03 earn?
Half of the 446 households in Census Tract 31.03 earn less than $62,059 a year (±$8,085), against $77,404 across Tuolumne County: 15th highest of the county's 17 tracts with a reliable estimate.
| Measure | Tract 31.03 | Tuolumne County |
|---|---|---|
| Median household income | $62,059 ±$8,085 | $77,404 |
| Mean household income | $84,203 ±$19,031 | $104,076 |
| Per capita income | $45,763 ±$9,473 | $44,142 |
| People below the poverty line | 11.9% ±8.3 pts | 10.4% |
| Children under 18 below the poverty line | 4.5% ±12.6 pts | 9.8% |
| Households receiving SNAP | 7.4% ±6.3 pts | 11.7% |
| Households with a computer | 78.7% ±15.8 pts | 94.2% |
| Households with a broadband subscription | 77.8% ±15.6 pts | 88.8% |
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 31.03?
Owners occupy 89.9% of Census Tract 31.03's occupied homes and renters 10.1%. The median owner-occupied home is valued at $435,000 by its owner (±$34,409).
| Measure | Tract 31.03 | Tuolumne County |
|---|---|---|
| Median home value (owner-occupied) | $435,000 ±$34,409 | $433,200 |
| Renters paying 35% or more of income on rent | 11.1% ±33.5 pts | 47.9% |
| Median monthly owner costs, with a mortgage | $1,865 ±$101 | $2,294 |
| Owner-occupied homes | 89.9% ±12.6 pts | 73.9% |
| Renter-occupied homes | 10.1% ±12.6 pts | 26.1% |
| Housing units | 2,196 ±197 | 31,589 |
| Single-family detached homes | 96.2% ±3.2 pts | 80.3% |
| Mobile homes | 0.3% ±0.6 pts | 8.4% |
| Built 2020 or later | 0.0% ±1.9 pts | 1.0% |
| Built 2010 to 2019 | 2.0% ±2.9 pts | 2.3% |
| Built 1939 or earlier | 10.1% ±4.4 pts | 5.4% |
| Households with no vehicle | 11.4% ±12.9 pts | 5.2% |
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 31.03 get to work?
85.2% of Census Tract 31.03's workers drive alone. The average trip to work takes 42.7 minutes.
| Measure | Tract 31.03 | Tuolumne County |
|---|---|---|
| In the labor force (age 16+) | 27.5% ±8.8 pts | 49.6% |
| Unemployment rate | 2.4% ±4.2 pts | 8.2% |
| Drove alone to work | 85.2% ±10.4 pts | 74.9% |
| Carpooled | 0.0% ±18.8 pts | 8.8% |
| Public transportation | 2.0% ±3.9 pts | 0.0% |
| Walked | 9.9% ±8.2 pts | 3.8% |
| Worked from home | 3.0% ±5.5 pts | 11.7% |
| Mean travel time to work | 42.7 min ±10.0 | 30.0 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 31.03 compare with the other tracts in Tuolumne County?
Among Tuolumne County's tracts with a reliable estimate, Census Tract 31.03 ranks as shown below (1 = highest).
| Measure | In Tuolumne County |
|---|---|
| Population | 18th of 18 |
| Residents per square mile | 18th of 18 |
| Median household income | 15th of 17 |
| Per capita income | 8th of 17 |
| Median home value | 8th of 17 |
| Bachelor's degree or higher | 7th of 17 |
| Median age | 1st of 18 |
| Owner-occupied share | 1st of 17 |
The tracts next to it on Tuolumne County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 42.02 | 12th | $66,842±$5,788 · within the margin of this tract |
| Tract 21.01 | 13th | $66,316±$15,193 · within the margin of this tract |
| Tract 51.01 | 14th | $62,333±$14,430 · within the margin of this tract |
| Tract 31.03 | 15th | $62,059±$8,085 |
| Tract 21.02 | 16th | $61,667±$12,991 · within the margin of this tract |
| Tract 12 | 17th | $46,500±$19,381 · 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 31.03?
4 of the 17 figures for Census Tract 31.03 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