Census tract · Mendocino County
Census Tract 109, Mendocino County, California
Census Tract 109, GEOID 06045010900, in Mendocino County, California, partly within Calpella. 4,766 residents in the ACS 2020-2024 5-year estimates (±631); the 2020 Census counted 4,983.
Residents, 2020-2024
4,766
±631 (90% margin)
2020 Census count: 4,983
Median household income
$76,382
±$20,756 (90% margin)
Mendocino County: $68,092
Median home value
$430,900
±$108,517 (90% margin)
Mendocino County: $512,200
Median gross rent
$1,527
±$878 (90% margin)
Mendocino County: $1,317
Where is Census Tract 109?
Census Tract 109 is one of 24 census tracts in Mendocino County, California. It covers 133.51 square miles of land, 37 residents per square mile in 2020. Its GEOID, 06045010900, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Calpella | 17% |
5 census tracts border Census Tract 109: Tract 106.01 ($71,791), Tract 108.01 ($73,571), Tract 112 ($57,115), Tract 113 ($73,333) and Tract 117 ($93,550). 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 109?
The 2020-2024 American Community Survey puts Census Tract 109's population at 4,766 (±631) in 1,813 households; the 2020 Census counted 4,983 residents and 1,962 housing units.
| Measure | Tract 109 | Mendocino County |
|---|---|---|
| Total population | 4,766 ±631 | 90,244 |
| Households | 1,813 ±227 | 34,842 |
| Average household size | 2.61 ±0.33 | 2.53 |
| Housing units | 2,128 ±207 | 41,675 |
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 109?
The median resident of Census Tract 109 is 43.1 years old; 17.9% are under 18 and 22.2% are 65 or older. The largest group is non-Hispanic white residents at 50.1%, then Hispanic or Latino residents (of any race) at 42.6%. 17.1% of residents were born outside the United States.
| Measure | Tract 109 | Mendocino County |
|---|---|---|
| Median age | 43.1 ±6.1 | 44.1 |
| Under 18 years | 17.9% ±4.5 pts | 20.9% |
| 65 years and over | 22.2% ±3.5 pts | 24.5% |
| Hispanic or Latino (any race) | 42.6% ±8.2 pts | 27.6% |
| White alone, not Hispanic | 50.1% ±8.9 pts | 61.1% |
| Black or African American alone, not Hispanic | 0.4% ±0.5 pts | 0.6% |
| Asian alone, not Hispanic | 0.9% ±0.8 pts | 2.1% |
| American Indian and Alaska Native alone, not Hispanic | 1.7% ±1.5 pts | 2.5% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Two or more races, not Hispanic | 3.0% ±2.2 pts | 5.2% |
| Some other race alone, not Hispanic | 1.3% ±2.1 pts | 0.7% |
| Born outside the United States | 17.1% ±5.3 pts | 12.2% |
| Speak a language other than English at home (age 5+) | 39.6% ±8.6 pts | 22.1% |
| Civilian veterans (age 18+) | 2.6% ±1.7 pts | 5.9% |
| With a disability | 14.2% ±3.9 pts | 18.6% |
| No health insurance coverage | 8.1% ±3.9 pts | 7.7% |
| High school graduate or higher (age 25+) | 79.2% ±7.2 pts | 87.3% |
| Bachelor's degree or higher (age 25+) | 16.8% ±4.3 pts | 25.2% |
| Graduate or professional degree (age 25+) | 6.2% ±3.5 pts | 10.1% |
| Lived in the same house a year earlier | 88.2% ±6.4 pts | 89.7% |
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 109 earn?
Half of the 1,813 households in Census Tract 109 earn less than $76,382 a year (±$20,756), against $68,092 across Mendocino County: 8th highest of the county's 22 tracts with a reliable estimate. 5.9% of residents live below the poverty line.
| Measure | Tract 109 | Mendocino County |
|---|---|---|
| Median household income | $76,382 ±$20,756 | $68,092 |
| Mean household income | $91,241 ±$15,393 | $95,438 |
| Per capita income | $35,141 ±$5,706 | $38,760 |
| People below the poverty line | 5.9% ±3.3 pts | 15.4% |
| Children under 18 below the poverty line | 1.9% ±2.9 pts | 16.8% |
| Households receiving SNAP | 19.7% ±9.1 pts | 17.4% |
| Households with a computer | 93.1% ±6.7 pts | 93.5% |
| Households with a broadband subscription | 93.4% ±6.3 pts | 89.6% |
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 109?
Owners occupy 83.9% of Census Tract 109's occupied homes and renters 16.1%. The median owner-occupied home is valued at $430,900 by its owner (±$108,517). The median renter pays $1,527 a month including utilities, and 34.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 109 | Mendocino County |
|---|---|---|
| Median home value (owner-occupied) | $430,900 ±$108,517 | $512,200 |
| Median gross rent | $1,527 ±$878 | $1,317 |
| Renters paying 35% or more of income on rent | 34.4% ±19.6 pts | 44.5% |
| Median monthly owner costs, with a mortgage | $2,579 ±$903 | $2,417 |
| Owner-occupied homes | 83.9% ±7.1 pts | 61.7% |
| Renter-occupied homes | 16.1% ±7.1 pts | 38.3% |
| Housing units | 2,128 ±207 | 41,675 |
| Single-family detached homes | 66.1% ±8.2 pts | 72.4% |
| Mobile homes | 32.3% ±8.0 pts | 9.7% |
| Built 2020 or later | 1.7% ±1.8 pts | 1.0% |
| Built 2010 to 2019 | 8.5% ±5.3 pts | 4.6% |
| Built 1939 or earlier | 3.3% ±3.6 pts | 8.7% |
| Households with no vehicle | 2.1% ±2.1 pts | 7.3% |
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 109 get to work?
77.9% of Census Tract 109's workers drive alone and 11.3% work from home. The average trip to work takes 26.3 minutes. The unemployment rate in 2020-2024 averaged 14.3%.
| Measure | Tract 109 | Mendocino County |
|---|---|---|
| In the labor force (age 16+) | 53.8% ±6.2 pts | 56.5% |
| Unemployment rate | 14.3% ±6.8 pts | 9.0% |
| Drove alone to work | 77.9% ±5.7 pts | 70.9% |
| Carpooled | 8.4% ±4.4 pts | 10.0% |
| Public transportation | 0.0% ±2.3 pts | 0.2% |
| Walked | 2.4% ±2.4 pts | 5.9% |
| Worked from home | 11.3% ±5.1 pts | 12.2% |
| Mean travel time to work | 26.3 min ±8.6 | 21.5 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 109 compare with the other tracts in Mendocino County?
Among Mendocino County's tracts with a reliable estimate, Census Tract 109 ranks as shown below (1 = highest).
| Measure | In Mendocino County |
|---|---|
| Population | 6th of 23 |
| Residents per square mile | 12th of 23 |
| Median household income | 8th of 22 |
| Per capita income | 17th of 23 |
| Median home value | 18th of 23 |
| Median gross rent | 6th of 22 |
| Poverty rate | 18th of 19 |
| Bachelor's degree or higher | 17th of 23 |
| Median age | 12th of 23 |
| Owner-occupied share | 2nd of 23 |
The tracts next to it on Mendocino County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 114 | 5th | $91,400±$32,795 · within the margin of this tract |
| Tract 118 | 6th | $83,672±$33,386 · within the margin of this tract |
| Tract 108.02 | 7th | $80,313±$29,385 · within the margin of this tract |
| Tract 109 | 8th | $76,382±$20,756 |
| Tract 110.04 | 9th | $73,576±$8,489 · within the margin of this tract |
| Tract 108.01 | 10th | $73,571±$35,019 · within the margin of this tract |
| Tract 113 | 11th | $73,333±$17,183 · 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 109?
2 of the 18 figures for Census Tract 109 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