Census-designated place · California
Hornbrook, California
Hornbrook, census-designated place, in Siskiyou County, California. Hornbrook had 266 residents in the 2020 Census, a full count; the ACS 2020-2024 5-year estimates put it at 268 (±127). GEOID 0634694.
Residents, 2020 Census
266
Census count or controlled total
ACS 2020-2024 estimate: 268 ±127
Median household income
$32,222
±$13,601 (90% margin)
California: $99,122
Median home value
not published
California: $734,700
Median gross rent
$693
±$383 (90% margin)
California: $2,036
Where is Hornbrook and what county is it in?
Hornbrook is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Siskiyou County, California. It covers 1.2 square miles of land, 228 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Hornbrook, and is it growing?
The 2020 Census counted 266 residents in Hornbrook, a full count rather than a sample. The 2020-2024 American Community Survey, a sample, estimates 268 (±127).
The Census Bureau publishes yearly population estimates for incorporated places only; Hornbrook is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Hornbrook | Siskiyou County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 268 ±127 | 43,466 | no clear change |
| Households | 122 ±48 | 19,079 | no clear change |
| Average household size | 2.20 ±0.72 | 2.23 | no clear change |
| Housing units | 145 ±53 | 23,088 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Hornbrook?
The median resident of Hornbrook is 45.1 years old; 28.4% are under 18 and 17.9% are 65 or older. The largest group is non-Hispanic white residents at 69.4%, then non-Hispanic residents of two or more races at 20.1%.
| Measure | Hornbrook | Siskiyou County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.1 ±15.4 | 47.2 | no clear change |
| Under 18 years | 28.4% ±11.7 pts | 20.0% | – |
| 65 years and over | 17.9% ±11.1 pts | 27.8% | – |
| Male | 40.7% ±11.0 pts | 50.0% | – |
| Hispanic or Latino (any race) | 5.2% ±6.0 pts | 13.5% | – |
| White alone, not Hispanic | 69.4% ±15.6 pts | 73.3% | −19.7 pts |
| Black or African American alone, not Hispanic | 0.0% ±14.6 pts | 1.3% | – |
| Asian alone, not Hispanic | 0.0% ±14.6 pts | 1.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 3.7% ±4.5 pts | 2.7% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±14.6 pts | 0.4% | – |
| Two or more races, not Hispanic | 20.1% ±12.4 pts | 6.5% | – |
| Some other race alone, not Hispanic | 1.5% ±2.9 pts | 0.4% | – |
| Born outside the United States | 0.0% ±14.6 pts | 5.8% | – |
| Speak a language other than English at home (age 5+) | 0.0% ±15.4 pts | 9.7% | – |
| Civilian veterans (age 18+) | 3.6% ±4.6 pts | 9.3% | – |
| With a disability | 15.7% ±9.2 pts | 17.3% | – |
| No health insurance coverage | 9.0% ±7.7 pts | 6.0% | – |
| High school graduate or higher (age 25+) | 96.5% ±2.8 pts | 91.7% | – |
| Bachelor's degree or higher (age 25+) | 10.0% ±9.2 pts | 23.3% | – |
| Graduate or professional degree (age 25+) | 0.0% ±21.9 pts | 7.9% | – |
| Lived in the same house a year earlier | 72.0% ±25.6 pts | 88.6% | – |
| Moved from another state in the past year | 6.3% ±7.9 pts | 1.9% | – |
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 Hornbrook earn?
Half of Hornbrook's 122 households earn less than $32,222 a year (±$13,601), against $59,095 in Siskiyou County and $99,122 in California. In 2015-2019 it was $43,928 in 2024 dollars; the margins of error cannot tell the two periods apart. 32.5% of residents live below the poverty line.
| Measure | Hornbrook | Siskiyou County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $32,222 ±$13,601 | $59,095 | no clear change |
| Mean household income | $52,608 ±$19,263 | $82,222 | – |
| Per capita income | $25,148 ±$6,346 | $36,529 | no clear change |
| People below the poverty line | 32.5% ±15.9 pts | 16.4% | no clear change |
| Children under 18 below the poverty line | 53.9% ±40.1 pts | 20.5% | – |
| Households receiving SNAP | 36.1% ±19.3 pts | 15.5% | – |
| Households with a computer | 89.3% ±9.3 pts | 94.2% | – |
| Households with a broadband subscription | 90.2% ±9.6 pts | 88.5% | – |
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 Hornbrook?
Owners occupy 61.5% of Hornbrook's occupied homes and renters 38.5%. The median renter pays $693 a month including utilities.
| Measure | Hornbrook | Siskiyou County | Change since 2015-2019 |
|---|---|---|---|
| Median gross rent | $693 ±$383 | $1,091 | −$530 |
| Renters paying 35% or more of income on rent | 2.2% ±5.3 pts | 49.5% | – |
| Median monthly owner costs, with a mortgage | $956 ±$37 | $1,770 | – |
| Owner-occupied homes | 61.5% ±22.1 pts | 69.2% | no clear change |
| Renter-occupied homes | 38.5% ±22.1 pts | 30.8% | – |
| Housing units | 145 ±53 | 23,088 | no clear change |
| Homeowner vacancy rate | 8.5% ±14.1 pts | 2.0% | – |
| Rental vacancy rate | 0.0% ±49.5 pts | 1.6% | – |
| Single-family detached homes | 73.8% ±16.1 pts | 74.2% | – |
| Mobile homes | 24.8% ±15.9 pts | 10.4% | – |
| Built 2020 or later | 0.0% ±25.0 pts | 1.0% | – |
| Built 2010 to 2019 | 5.5% ±5.9 pts | 5.2% | – |
| Built 1939 or earlier | 42.1% ±18.2 pts | 15.4% | – |
| Households with no vehicle | 8.2% ±8.4 pts | 6.1% | – |
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 Hornbrook work and get to work?
The average trip to work takes 9.8 minutes.
| Measure | Hornbrook | Siskiyou County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 52.3% ±19.1 pts | 50.9% | – |
| Unemployment rate | 28.2% ±25.2 pts | 7.9% | – |
| Drove alone to work | 57.7% ±38.2 pts | 72.4% | – |
| Carpooled | 42.3% ±38.2 pts | 10.6% | – |
| Public transportation | 0.0% ±40.2 pts | 0.5% | – |
| Walked | 0.0% ±40.2 pts | 3.6% | – |
| Worked from home | 0.0% ±40.2 pts | 11.8% | – |
| Mean travel time to work | 9.8 min ±4.0 | 21.2 min | −14.1 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
What census tracts are in Hornbrook?
No census tract lies mostly in Hornbrook; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 13Siskiyou County | 2,276 | $50,347 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Hornbrook) · Census block assignment files
How does Hornbrook compare with other places in California?
Hornbrook is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
Hornbrook's figures with every place in California (CSV)
Every place in California, sortable · Compare Hornbrook with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Hornbrook?
26 of the 56 figures for Hornbrook 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.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Hornbrook are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.