Census tract · Alameda County
Census Tract 4228, Alameda County, California
Census Tract 4228, GEOID 06001422800, in Alameda County, California, entirely within Berkeley. 9,850 residents in the ACS 2020-2024 5-year estimates (±608); the 2020 Census counted 11,245.
Residents, 2020-2024
9,850
±608 (90% margin)
2020 Census count: 11,245
Median household income
$32,026
±$14,661 (90% margin)
Alameda County: $129,367
Median home value
not published
Alameda County: $1,090,100
Median gross rent
$1,810
±$115 (90% margin)
Alameda County: $2,357
Where is Census Tract 4228?
Census Tract 4228 is one of 379 census tracts in Alameda County, California. It covers 0.16 square miles of land, 71,171 residents per square mile in 2020. Its GEOID, 06001422800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Berkeley | 100% |
4 census tracts border Census Tract 4228: Tract 4227, Tract 4229.01 ($35,917), Tract 4236.02 ($53,952) 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 4228?
The 2020-2024 American Community Survey puts Census Tract 4228's population at 9,850 (±608) in 1,614 households; the 2020 Census counted 11,245 residents and 2,325 housing units.
| Measure | Tract 4228 | Berkeley |
|---|---|---|
| Total population | 9,850 ±608 | 120,257 |
| Households | 1,614 ±206 | 47,135 |
| Average household size | 2.26 ±0.28 | 2.27 |
| Housing units | 2,041 ±245 | 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 4228?
The median resident of Census Tract 4228 is 20.5 years old; 1.8% are under 18 and 1.4% are 65 or older. The largest group is non-Hispanic Asian residents at 37.5%, then Hispanic or Latino residents (of any race) at 23.0%. 21.9% of residents were born outside the United States.
| Measure | Tract 4228 | Berkeley |
|---|---|---|
| Median age | 20.5 ±0.4 | 33.2 |
| Under 18 years | 1.8% ±0.7 pts | 12.7% |
| 65 years and over | 1.4% ±0.8 pts | 16.7% |
| Hispanic or Latino (any race) | 23.0% ±3.7 pts | 12.8% |
| White alone, not Hispanic | 22.8% ±3.6 pts | 49.9% |
| Black or African American alone, not Hispanic | 7.1% ±2.4 pts | 7.7% |
| Asian alone, not Hispanic | 37.5% ±4.9 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 | 0.1% ±0.2 pts | 0.1% |
| Two or more races, not Hispanic | 8.4% ±1.9 pts | 8.0% |
| Some other race alone, not Hispanic | 1.1% ±0.9 pts | 1.1% |
| Born outside the United States | 21.9% ±3.3 pts | 21.1% |
| Speak a language other than English at home (age 5+) | 51.3% ±4.4 pts | 30.7% |
| Civilian veterans (age 18+) | 0.7% ±0.8 pts | 2.1% |
| With a disability | 8.1% ±2.4 pts | 10.9% |
| No health insurance coverage | 4.3% ±1.6 pts | 2.8% |
| High school graduate or higher (age 25+) | 97.8% ±1.9 pts | 95.8% |
| Bachelor's degree or higher (age 25+) | 76.2% ±6.0 pts | 74.9% |
| Graduate or professional degree (age 25+) | 36.6% ±9.5 pts | 42.0% |
| Lived in the same house a year earlier | 45.0% ±5.2 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 4228 earn?
Half of the 1,614 households in Census Tract 4228 earn less than $32,026 a year (±$14,661), against $129,367 across Alameda County: 371st highest of the county's 372 tracts with a reliable estimate. 55.7% of residents live below the poverty line.
| Measure | Tract 4228 | Berkeley |
|---|---|---|
| Median household income | $32,026 ±$14,661 | $108,092 |
| Mean household income | $75,289 ±$15,085 | $171,265 |
| Per capita income | $17,097 ±$2,984 | $69,534 |
| People below the poverty line | 55.7% ±8.7 pts | 17.3% |
| Children under 18 below the poverty line | 0.0% ±55.8 pts | 7.6% |
| Households receiving SNAP | 23.2% ±8.8 pts | 9.7% |
| Households with a computer | 99.3% ±1.0 pts | 98.0% |
| Households with a broadband subscription | 87.7% ±6.7 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 4228?
The median renter pays $1,810 a month including utilities, and 57.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 4228 | Berkeley |
|---|---|---|
| Median gross rent | $1,810 ±$115 | $2,133 |
| Renters paying 35% or more of income on rent | 57.1% ±9.8 pts | 48.6% |
| Owner-occupied homes | 1.2% ±1.4 pts | 44.2% |
| Renter-occupied homes | 98.8% ±1.4 pts | 55.8% |
| Housing units | 2,041 ±245 | 53,145 |
| Single-family detached homes | 0.5% ±0.8 pts | 40.4% |
| Mobile homes | 0.0% ±2.1 pts | 0.2% |
| Built 2020 or later | 2.0% ±2.4 pts | 0.7% |
| Built 2010 to 2019 | 18.5% ±6.5 pts | 5.9% |
| Built 1939 or earlier | 36.7% ±9.0 pts | 46.3% |
| Households with no vehicle | 76.8% ±5.7 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 4228 get to work?
13.2% of Census Tract 4228's workers drive alone and 31.6% work from home. The average trip to work takes 20.9 minutes. The unemployment rate in 2020-2024 averaged 12.0%.
| Measure | Tract 4228 | Berkeley |
|---|---|---|
| In the labor force (age 16+) | 40.9% ±3.9 pts | 60.1% |
| Unemployment rate | 12.0% ±3.6 pts | 5.6% |
| Drove alone to work | 13.2% ±4.3 pts | 27.2% |
| Carpooled | 0.4% ±0.1 pts | 3.3% |
| Public transportation | 13.8% ±6.0 pts | 12.4% |
| Walked | 35.6% ±7.1 pts | 13.6% |
| Worked from home | 31.6% ±7.2 pts | 37.1% |
| Mean travel time to work | 20.9 min ±3.1 | 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 4228 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4228 ranks as shown below (1 = highest).
| Measure | In Alameda County | In Berkeley |
|---|---|---|
| Population | 2nd of 375 | 1st of 34 |
| Residents per square mile | 1st of 378 | 1st of 34 |
| Median household income | 371st of 372 | 31st of 31 |
| Per capita income | 376th of 377 | 33rd of 34 |
| Median gross rent | 330th of 368 | 32nd of 34 |
| Poverty rate | 2nd of 263 | 2nd of 29 |
| Bachelor's degree or higher | 60th of 376 | 18th of 34 |
| Median age | 377th of 377 | 34th of 34 |
The tracts next to it on Alameda County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4097 | 368th | $37,237±$14,279 · within the margin of this tract |
| Tract 4025 | 369th | $36,000±$22,742 · within the margin of this tract |
| Tract 4229.01 | 370th | $35,917±$22,158 · within the margin of this tract |
| Tract 4228 | 371st | $32,026±$14,661 |
| Tract 4028.02 | 372nd | $19,981±$6,393 · 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 4228?
1 of the 17 figures for Census Tract 4228 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