Census tract · Sonoma County
Census Tract 1521, Sonoma County, California
Census Tract 1521, GEOID 06097152100, in Sonoma County, California, entirely within Santa Rosa. 2,901 residents in the ACS 2020-2024 5-year estimates (±315); the 2020 Census counted 2,804.
Residents, 2020-2024
2,901
±315 (90% margin)
2020 Census count: 2,804
Median household income
$103,650
±$25,306 (90% margin)
Sonoma County: $104,674
Median home value
$668,800
±$28,072 (90% margin)
Sonoma County: $815,500
Median gross rent
$2,072
±$192 (90% margin)
Sonoma County: $2,158
Where is Census Tract 1521?
Census Tract 1521 is one of 122 census tracts in Sonoma County, California. It covers 0.84 square miles of land, 3,334 residents per square mile in 2020. Its GEOID, 06097152100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Santa Rosa | 100% |
9 census tracts border Census Tract 1521: Tract 1520 ($76,458), Tract 1522.01 ($92,444), Tract 1522.03 ($76,168), Tract 1524.02 ($127,569), Tract 1527.02 ($113,772), Tract 1528.01 ($100,139), Tract 1528.03 ($80,893), Tract 1528.04 ($60,531) and Tract 1530.01 ($82,396). 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 1521?
The 2020-2024 American Community Survey puts Census Tract 1521's population at 2,901 (±315) in 913 households; the 2020 Census counted 2,804 residents and 957 housing units.
| Measure | Tract 1521 | Santa Rosa |
|---|---|---|
| Total population | 2,901 ±315 | 177,090 |
| Households | 913 ±78 | 68,321 |
| Average household size | 2.35 ±0.27 | 2.53 |
| Housing units | 948 ±95 | 71,382 |
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 1521?
The median resident of Census Tract 1521 is 36.1 years old; 13.9% are under 18 and 8.5% are 65 or older. The largest group is non-Hispanic white residents at 42.7%, then Hispanic or Latino residents (of any race) at 37.2%. 19.1% of residents were born outside the United States.
| Measure | Tract 1521 | Santa Rosa |
|---|---|---|
| Median age | 36.1 ±3.5 | 41.2 |
| Under 18 years | 13.9% ±6.6 pts | 20.1% |
| 65 years and over | 8.5% ±3.4 pts | 19.0% |
| Hispanic or Latino (any race) | 37.2% ±9.9 pts | 37.4% |
| White alone, not Hispanic | 42.7% ±8.3 pts | 48.7% |
| Black or African American alone, not Hispanic | 8.4% ±4.3 pts | 1.9% |
| Asian alone, not Hispanic | 6.1% ±5.3 pts | 6.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.4 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2% ±0.3 pts | 0.3% |
| Two or more races, not Hispanic | 4.7% ±2.4 pts | 4.5% |
| Some other race alone, not Hispanic | 0.4% ±0.6 pts | 0.6% |
| Born outside the United States | 19.1% ±6.4 pts | 21.2% |
| Speak a language other than English at home (age 5+) | 35.9% ±9.7 pts | 35.0% |
| Civilian veterans (age 18+) | 4.2% ±2.4 pts | 4.2% |
| With a disability | 12.7% ±4.7 pts | 13.3% |
| No health insurance coverage | 7.5% ±4.3 pts | 6.2% |
| High school graduate or higher (age 25+) | 80.6% ±6.0 pts | 85.4% |
| Bachelor's degree or higher (age 25+) | 19.4% ±5.0 pts | 35.1% |
| Graduate or professional degree (age 25+) | 7.1% ±3.4 pts | 13.6% |
| Lived in the same house a year earlier | 73.9% ±5.9 pts | 87.6% |
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 1521 earn?
Half of the 913 households in Census Tract 1521 earn less than $103,650 a year (±$25,306), against $104,674 across Sonoma County: 63rd highest of the county's 121 tracts with a reliable estimate. 19.6% of residents live below the poverty line.
| Measure | Tract 1521 | Santa Rosa |
|---|---|---|
| Median household income | $103,650 ±$25,306 | $99,060 |
| Mean household income | $115,113 ±$16,360 | $133,152 |
| Per capita income | $40,152 ±$6,278 | $52,066 |
| People below the poverty line | 19.6% ±9.2 pts | 9.7% |
| Children under 18 below the poverty line | 23.8% ±32.7 pts | 11.3% |
| Households receiving SNAP | 18.9% ±10.1 pts | 9.8% |
| Households with a computer | 97.3% ±3.6 pts | 97.1% |
| Households with a broadband subscription | 91.8% ±7.1 pts | 94.3% |
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 1521?
Owners occupy 37.5% of Census Tract 1521's occupied homes and renters 62.5%. The median owner-occupied home is valued at $668,800 by its owner (±$28,072). The median renter pays $2,072 a month including utilities, and 43.8% of renters pay 35% or more of their income on rent.
| Measure | Tract 1521 | Santa Rosa |
|---|---|---|
| Median home value (owner-occupied) | $668,800 ±$28,072 | $713,900 |
| Median gross rent | $2,072 ±$192 | $2,152 |
| Renters paying 35% or more of income on rent | 43.8% ±14.4 pts | 43.9% |
| Median monthly owner costs, with a mortgage | $3,080 ±$378 | $2,894 |
| Owner-occupied homes | 37.5% ±8.7 pts | 56.7% |
| Renter-occupied homes | 62.5% ±8.7 pts | 43.3% |
| Housing units | 948 ±95 | 71,382 |
| Single-family detached homes | 50.5% ±9.3 pts | 57.9% |
| Mobile homes | 0.0% ±4.4 pts | 3.9% |
| Built 2020 or later | 0.0% ±4.4 pts | 1.9% |
| Built 2010 to 2019 | 4.3% ±5.0 pts | 6.8% |
| Built 1939 or earlier | 19.4% ±7.1 pts | 5.1% |
| Households with no vehicle | 6.7% ±5.5 pts | 6.2% |
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 1521 get to work?
69.6% of Census Tract 1521's workers drive alone and 13.8% work from home. The average trip to work takes 19.3 minutes.
| Measure | Tract 1521 | Santa Rosa |
|---|---|---|
| In the labor force (age 16+) | 55.8% ±4.2 pts | 66.4% |
| Unemployment rate | 4.7% ±3.3 pts | 6.3% |
| Drove alone to work | 69.6% ±8.3 pts | 71.4% |
| Carpooled | 5.7% ±4.0 pts | 11.4% |
| Public transportation | 3.6% ±4.8 pts | 1.3% |
| Walked | 6.2% ±5.1 pts | 2.4% |
| Worked from home | 13.8% ±6.1 pts | 11.5% |
| Mean travel time to work | 19.3 min ±3.4 | 22.9 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 1521 compare with the other tracts in Sonoma County?
Among Sonoma County's tracts with a reliable estimate, Census Tract 1521 ranks as shown below (1 = highest).
| Measure | In Sonoma County | In Santa Rosa |
|---|---|---|
| Population | 94th of 121 | 38th of 45 |
| Residents per square mile | 50th of 121 | 28th of 45 |
| Median household income | 63rd of 121 | 16th of 45 |
| Per capita income | 103rd of 121 | 32nd of 45 |
| Median home value | 91st of 121 | 27th of 45 |
| Median gross rent | 69th of 115 | 25th of 41 |
| Poverty rate | 4th of 84 | 3rd of 31 |
| Bachelor's degree or higher | 111th of 121 | 38th of 45 |
| Median age | 101st of 121 | 33rd of 45 |
| Owner-occupied share | 112th of 120 | 38th of 44 |
The tracts next to it on Sonoma County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 1539.03 | 60th | $106,014±$15,798 · within the margin of this tract |
| Tract 1537.09 | 61st | $105,304±$16,580 · within the margin of this tract |
| Tract 1506.09 | 62nd | $103,750±$26,453 · within the margin of this tract |
| Tract 1521 | 63rd | $103,650±$25,306 |
| Tract 1517.02 | 64th | $102,141±$19,203 · within the margin of this tract |
| Tract 1510 | 65th | $102,104±$37,585 · within the margin of this tract |
| Tract 1537.12 | 66th | $101,402±$34,954 · 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 1521?
1 of the 18 figures for Census Tract 1521 on this page carries a coefficient of variation over 40% and is 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