Census tract · Alameda County
Census Tract 4225, Alameda County, California
Census Tract 4225, GEOID 06001422500, in Alameda County, California, entirely within Berkeley. 4,481 residents in the ACS 2020-2024 5-year estimates (±574); the 2020 Census counted 5,065.
Residents, 2020-2024
4,481
±574 (90% margin)
2020 Census count: 5,065
Median household income
$53,041
±$19,840 (90% margin)
Alameda County: $129,367
Median home value
$1,201,800
±$411,318 (90% margin)
Alameda County: $1,090,100
Median gross rent
$1,875
±$84 (90% margin)
Alameda County: $2,357
Where is Census Tract 4225?
Census Tract 4225 is one of 379 census tracts in Alameda County, California. It covers 0.18 square miles of land, 28,139 residents per square mile in 2020. Its GEOID, 06001422500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Berkeley | 100% |
3 census tracts border Census Tract 4225: Tract 4216 ($232,344), Tract 4224 ($88,902) 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 4225?
The 2020-2024 American Community Survey puts Census Tract 4225's population at 4,481 (±574) in 1,694 households; the 2020 Census counted 5,065 residents and 1,783 housing units.
| Measure | Tract 4225 | Berkeley |
|---|---|---|
| Total population | 4,481±574 | 120,257 |
| Households | 1,694±378 | 47,135 |
| Average household size | 1.73±0.18 | 2.27 |
| Housing units | 1,962±339 | 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 4225?
The median resident of Census Tract 4225 is 24.8 years old; 3.5% are under 18 and 7.2% are 65 or older. The largest group is non-Hispanic white residents at 43.4%, then non-Hispanic Asian residents at 27.9%. 30.1% of residents were born outside the United States.
| Measure | Tract 4225 | Berkeley |
|---|---|---|
| Median age | 24.8±3.5 | 33.2 |
| Under 18 years | 3.5%±1.9 pts | 12.7% |
| 65 years and over | 7.2%±2.3 pts | 16.7% |
| Hispanic or Latino (any race) | 14.4%±7.1 pts | 12.8% |
| White alone, not Hispanic | 43.4%±7.4 pts | 49.9% |
| Black or African American alone, not Hispanic | 6.4%±3.9 pts | 7.7% |
| Asian alone, not Hispanic | 27.9%±5.0 pts | 20.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.3 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.9 pts | 0.1% |
| Two or more races, not Hispanic | 7.5%±2.8 pts | 8.0% |
| Some other race alone, not Hispanic | 0.2%±0.4 pts | 1.1% |
| Born outside the United States | 30.1%±8.5 pts | 21.1% |
| Speak a language other than English at home (age 5+) | 42.6%±8.5 pts | 30.7% |
| Civilian veterans (age 18+) | 1.7%±1.6 pts | 2.1% |
| With a disability | 6.9%±2.6 pts | 10.9% |
| No health insurance coverage | 7.7%±6.2 pts | 2.8% |
| High school graduate or higher (age 25+) | 90.4%±9.1 pts | 95.8% |
| Bachelor's degree or higher (age 25+) | 65.9%±14.3 pts | 74.9% |
| Graduate or professional degree (age 25+) | 37.6%±8.9 pts | 42.0% |
| Lived in the same house a year earlier | 61.2%±5.3 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 4225 earn?
Half of the 1,694 households in Census Tract 4225 earn less than $53,041 a year (±$19,840), against $129,367 across Alameda County: 359th highest of the county's 372 tracts with a reliable estimate. 26.2% of residents live below the poverty line.
| Measure | Tract 4225 | Berkeley |
|---|---|---|
| Median household income | $53,041±$19,840 | $108,092 |
| Mean household income | $93,804±$17,467 | $171,265 |
| Per capita income | $37,868±$5,629 | $69,534 |
| People below the poverty line | 26.2%±6.7 pts | 17.3% |
| Children under 18 below the poverty line | 0.0%±28.8 pts | 7.6% |
| Households receiving SNAP | 7.7%±4.2 pts | 9.7% |
| Households with a computer | 98.5%±1.7 pts | 98.0% |
| Households with a broadband subscription | 91.1%±5.0 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 4225?
Owners occupy 15.0% of Census Tract 4225's occupied homes and renters 85.0%. The median owner-occupied home is valued at $1,201,800 by its owner (±$411,318). The median renter pays $1,875 a month including utilities, and 66.6% of renters pay 35% or more of their income on rent.
| Measure | Tract 4225 | Berkeley |
|---|---|---|
| Median home value (owner-occupied) | $1,201,800±$411,318 | $1,413,900 |
| Median gross rent | $1,875±$84 | $2,133 |
| Renters paying 35% or more of income on rent | 66.6%±11.3 pts | 48.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 15.0%±5.9 pts | 44.2% |
| Renter-occupied homes | 85.0%±5.9 pts | 55.8% |
| Housing units | 1,962±339 | 53,145 |
| Single-family detached homes | 12.4%±6.4 pts | 40.4% |
| Mobile homes | 0.0%±2.1 pts | 0.2% |
| Built 2020 or later | 0.0%±2.1 pts | 0.7% |
| Built 2010 to 2019 | 0.7%±1.1 pts | 5.9% |
| Built 1939 or earlier | 50.2%±10.4 pts | 46.3% |
| Households with no vehicle | 27.2%±8.2 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 4225 get to work?
17.8% of Census Tract 4225's workers drive alone and 26.7% work from home. The average trip to work takes 22.9 minutes. The unemployment rate in 2020-2024 averaged 3.0%.
| Measure | Tract 4225 | Berkeley |
|---|---|---|
| In the labor force (age 16+) | 58.8%±6.3 pts | 60.1% |
| Unemployment rate | 3.0%±1.9 pts | 5.6% |
| Drove alone to work | 17.8%±6.6 pts | 27.2% |
| Carpooled | 1.4%±1.2 pts | 3.3% |
| Public transportation | 10.9%±4.8 pts | 12.4% |
| Walked | 38.2%±12.6 pts | 13.6% |
| Worked from home | 26.7%±6.6 pts | 37.1% |
| Mean travel time to work | 22.9 min±4.7 | 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 4225 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4225 ranks as shown below (1 = highest).
| Measure | In Alameda County | In Berkeley |
|---|---|---|
| Population | 160th of 375 | 5th of 34 |
| Residents per square mile | 18th of 378 | 5th of 34 |
| Median household income | 359th of 372 | 29th of 31 |
| Per capita income | 318th of 377 | 30th of 34 |
| Median home value | 121st of 366 | 21st of 30 |
| Median gross rent | 318th of 368 | 30th of 34 |
| Poverty rate | 17th of 263 | 8th of 29 |
| Bachelor's degree or higher | 117th of 376 | 26th of 34 |
| Median age | 371st of 377 | 28th of 34 |
| Owner-occupied share | 352nd of 366 | 29th of 30 |
The tracts next to it on Alameda County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4236.02 | 356th | $53,952±$19,702 · within the margin of this tract |
| Tract 4059.01 | 357th | $53,233±$13,128 · within the margin of this tract |
| Tract 4087 | 358th | $53,116±$17,660 · within the margin of this tract |
| Tract 4225 | 359th | $53,041±$19,840 |
| Tract 4340 | 360th | $52,160±$18,236 · within the margin of this tract |
| Tract 4028.01 | 361st | $50,469±$32,535 · within the margin of this tract |
| Tract 4089 | 362nd | $48,125±$12,434 · 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 4225?
Every figure for Census Tract 4225 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