Census tract · Alameda County
Census Tract 4227, Alameda County, California
Census Tract 4227, GEOID 06001422700, in Alameda County, California, entirely within Berkeley. 5,154 residents in the ACS 2020-2024 5-year estimates (±464); the 2020 Census counted 4,868.
Residents, 2020-2024
5,154
±464 (90% margin)
2020 Census count: 4,868
Median household income
not published
Alameda County: $129,367
Median home value
$1,202,700
±$611,591 (90% margin)
Alameda County: $1,090,100
Median gross rent
$1,925
±$418 (90% margin)
Alameda County: $2,357
Where is Census Tract 4227?
Census Tract 4227 is one of 379 census tracts in Alameda County, California. It covers 0.13 square miles of land, 36,328 residents per square mile in 2020. Its GEOID, 06001422700, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Berkeley | 100% |
4 census tracts border Census Tract 4227: Tract 4001 ($250,000 or more), Tract 4228 ($32,026), Tract 4237 ($95,833) and Tract 9821*. The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
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 4227?
The 2020-2024 American Community Survey puts Census Tract 4227's population at 5,154 (±464) in 1,002 households; the 2020 Census counted 4,868 residents and 1,308 housing units.
| Measure | Tract 4227 | Berkeley |
|---|---|---|
| Total population | 5,154±464 | 120,257 |
| Households | 1,002±189 | 47,135 |
| Average household size | 2.77±0.51 | 2.27 |
| Housing units | 1,181±170 | 53,145 |
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 4227?
The median resident of Census Tract 4227 is 21.3 years old. The largest group is non-Hispanic Asian residents at 36.1%, then non-Hispanic white residents at 33.9%. 22.7% of residents were born outside the United States.
| Measure | Tract 4227 | Berkeley |
|---|---|---|
| Median age | 21.3±0.4 | 33.2 |
| Under 18 years | 1.9%±1.3 pts | 12.7% |
| 65 years and over | 3.3%±1.3 pts | 16.7% |
| Hispanic or Latino (any race) | 16.4%±3.8 pts | 12.8% |
| White alone, not Hispanic | 33.9%±5.5 pts | 49.9% |
| Black or African American alone, not Hispanic | 3.3%±1.5 pts | 7.7% |
| Asian alone, not Hispanic | 36.1%±6.2 pts | 20.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.2 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.8 pts | 0.1% |
| Two or more races, not Hispanic | 9.8%±3.5 pts | 8.0% |
| Some other race alone, not Hispanic | 0.4%±0.4 pts | 1.1% |
| Born outside the United States | 22.7%±6.1 pts | 21.1% |
| Speak a language other than English at home (age 5+) | 44.8%±6.2 pts | 30.7% |
| Civilian veterans (age 18+) | 1.2%±1.2 pts | 2.1% |
| With a disability | 10.1%±3.5 pts | 10.9% |
| No health insurance coverage | 3.8%±2.1 pts | 2.8% |
| High school graduate or higher (age 25+) | 98.0%±2.8 pts | 95.8% |
| Bachelor's degree or higher (age 25+) | 83.9%±11.6 pts | 74.9% |
| Graduate or professional degree (age 25+) | 27.6%±11.1 pts | 42.0% |
| Lived in the same house a year earlier | 51.0%±6.0 pts | 74.8% |
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 4227 earn?
The median household income for Census Tract 4227 is not published: too few households were sampled. 59.2% of residents live below the poverty line.
| Measure | Tract 4227 | Berkeley |
|---|---|---|
| Mean household income | $83,156±$26,093 | $171,265 |
| Per capita income | $22,270±$4,944 | $69,534 |
| People below the poverty line | 59.2%±8.9 pts | 17.3% |
| Children under 18 below the poverty line | 11.8%±21.2 pts | 7.6% |
| Households receiving SNAP | 17.7%±10.5 pts | 9.7% |
| Households with a computer | 99.3%±1.2 pts | 98.0% |
| Households with a broadband subscription | 92.6%±5.9 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 4227?
Owners occupy 13.0% of Census Tract 4227's occupied homes and renters 87.0%. The median owner-occupied home is valued at $1,202,700 by its owner (±$611,591). The median renter pays $1,925 a month including utilities, and 72.8% of renters pay 35% or more of their income on rent.
| Measure | Tract 4227 | Berkeley |
|---|---|---|
| Median home value (owner-occupied) | $1,202,700±$611,591 | $1,413,900 |
| Median gross rent | $1,925±$418 | $2,133 |
| Renters paying 35% or more of income on rent | 72.8%±14.3 pts | 48.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 13.0%±5.9 pts | 44.2% |
| Renter-occupied homes | 87.0%±5.9 pts | 55.8% |
| Housing units | 1,181±170 | 53,145 |
| Single-family detached homes | 15.9%±7.5 pts | 40.4% |
| Mobile homes | 0.0%±3.5 pts | 0.2% |
| Built 2020 or later | 0.0%±3.5 pts | 0.7% |
| Built 2010 to 2019 | 0.7%±1.2 pts | 5.9% |
| Built 1939 or earlier | 31.4%±11.5 pts | 46.3% |
| Households with no vehicle | 45.7%±13.7 pts | 20.7% |
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 4227 get to work?
17.8% of Census Tract 4227's workers drive alone and 18.6% work from home. The average trip to work takes 20.1 minutes. The unemployment rate in 2020-2024 averaged 10.5%.
| Measure | Tract 4227 | Berkeley |
|---|---|---|
| In the labor force (age 16+) | 45.7%±6.4 pts | 60.1% |
| Unemployment rate | 10.5%±4.3 pts | 5.6% |
| Drove alone to work | 17.8%±6.8 pts | 27.2% |
| Carpooled | 5.0%±4.0 pts | 3.3% |
| Public transportation | 7.7%±4.8 pts | 12.4% |
| Walked | 41.2%±7.9 pts | 13.6% |
| Worked from home | 18.6%±6.0 pts | 37.1% |
| Mean travel time to work | 20.1 min±3.4 | 27.8 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 4227 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4227 ranks as shown below (1 = highest).
| Measure | In Alameda County | In Berkeley |
|---|---|---|
| Population | 113th of 375 | 4th of 34 |
| Residents per square mile | 5th of 378 | 3rd of 34 |
| Per capita income | 370th of 377 | 32nd of 34 |
| Median home value | 120th of 366 | 20th of 30 |
| Median gross rent | 308th of 368 | 28th of 34 |
| Poverty rate | 1st of 263 | 1st of 29 |
| Bachelor's degree or higher | 23rd of 376 | 11th of 34 |
| Median age | 375th of 377 | 32nd of 34 |
| Owner-occupied share | 355th of 366 | 30th of 30 |
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 4227?
Every figure for Census Tract 4227 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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