Census tract · Alameda County
Census Tract 4240.02, Alameda County, California
Census Tract 4240.02, GEOID 06001424002, in Alameda County, California, entirely within Berkeley. 2,524 residents in the ACS 2020-2024 5-year estimates (±319); the 2020 Census counted 2,488.
Residents, 2020-2024
2,524
±319 (90% margin)
2020 Census count: 2,488
Median household income
$105,813
±$43,691 (90% margin)
Alameda County: $129,367
Median home value
$1,233,500
±$288,807 (90% margin)
Alameda County: $1,090,100
Median gross rent
$1,754
±$555 (90% margin)
Alameda County: $2,357
Where is Census Tract 4240.02?
Census Tract 4240.02 is one of 379 census tracts in Alameda County, California. It covers 0.13 square miles of land, 19,746 residents per square mile in 2020. Its GEOID, 06001424002, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Berkeley | 100% |
4 census tracts border Census Tract 4240.02: Tract 4008 ($145,978), Tract 4220 ($116,779), Tract 4233 ($101,571) and Tract 4240.01 ($82,125). 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 4240.02?
The 2020-2024 American Community Survey puts Census Tract 4240.02's population at 2,524 (±319) in 1,050 households; the 2020 Census counted 2,488 residents and 1,086 housing units.
| Measure | Tract 4240.02 | Berkeley |
|---|---|---|
| Total population | 2,524±319 | 120,257 |
| Households | 1,050±121 | 47,135 |
| Average household size | 2.38±0.21 | 2.27 |
| Housing units | 1,157±109 | 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 4240.02?
The median resident of Census Tract 4240.02 is 40.9 years old; 22.9% are under 18 and 12.9% are 65 or older. The largest group is non-Hispanic white residents at 41.3%, then non-Hispanic Black residents at 23.1%. 19.8% of residents were born outside the United States.
| Measure | Tract 4240.02 | Berkeley |
|---|---|---|
| Median age | 40.9±4.2 | 33.2 |
| Under 18 years | 22.9%±6.0 pts | 12.7% |
| 65 years and over | 12.9%±4.7 pts | 16.7% |
| Hispanic or Latino (any race) | 18.0%±9.0 pts | 12.8% |
| White alone, not Hispanic | 41.3%±8.7 pts | 49.9% |
| Black or African American alone, not Hispanic | 23.1%±9.1 pts | 7.7% |
| Asian alone, not Hispanic | 10.9%±5.5 pts | 20.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.7 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.7 pts | 0.1% |
| Two or more races, not Hispanic | 6.5%±4.4 pts | 8.0% |
| Some other race alone, not Hispanic | 0.3%±0.8 pts | 1.1% |
| Born outside the United States | 19.8%±8.2 pts | 21.1% |
| Speak a language other than English at home (age 5+) | 24.4%±8.8 pts | 30.7% |
| Civilian veterans (age 18+) | 1.7%±1.5 pts | 2.1% |
| With a disability | 16.8%±6.6 pts | 10.9% |
| No health insurance coverage | 2.8%±3.3 pts | 2.8% |
| High school graduate or higher (age 25+) | 91.4%±4.3 pts | 95.8% |
| Bachelor's degree or higher (age 25+) | 56.5%±10.2 pts | 74.9% |
| Graduate or professional degree (age 25+) | 24.9%±7.7 pts | 42.0% |
| Lived in the same house a year earlier | 88.8%±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 4240.02 earn?
Half of the 1,050 households in Census Tract 4240.02 earn less than $105,813 a year (±$43,691), against $129,367 across Alameda County: 244th highest of the county's 372 tracts with a reliable estimate. 6.1% of residents live below the poverty line.
| Measure | Tract 4240.02 | Berkeley |
|---|---|---|
| Median household income | $105,813±$43,691 | $108,092 |
| Mean household income | $132,481±$23,720 | $171,265 |
| Per capita income | $59,799±$10,758 | $69,534 |
| People below the poverty line | 6.1%±3.4 pts | 17.3% |
| Children under 18 below the poverty line | 0.0%±7.2 pts | 7.6% |
| Households receiving SNAP | 22.1%±9.9 pts | 9.7% |
| Households with a computer | 97.0%±3.6 pts | 98.0% |
| Households with a broadband subscription | 97.6%±3.4 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 4240.02?
Owners occupy 52.7% of Census Tract 4240.02's occupied homes and renters 47.3%. The median owner-occupied home is valued at $1,233,500 by its owner (±$288,807). The median renter pays $1,754 a month including utilities, and 32.2% of renters pay 35% or more of their income on rent.
| Measure | Tract 4240.02 | Berkeley |
|---|---|---|
| Median home value (owner-occupied) | $1,233,500±$288,807 | $1,413,900 |
| Median gross rent | $1,754±$555 | $2,133 |
| Renters paying 35% or more of income on rent | 32.2%±15.5 pts | 48.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 52.7%±11.0 pts | 44.2% |
| Renter-occupied homes | 47.3%±11.0 pts | 55.8% |
| Housing units | 1,157±109 | 53,145 |
| Single-family detached homes | 47.9%±11.7 pts | 40.4% |
| Mobile homes | 0.0%±3.6 pts | 0.2% |
| Built 2020 or later | 0.0%±3.6 pts | 0.7% |
| Built 2010 to 2019 | 17.3%±8.8 pts | 5.9% |
| Built 1939 or earlier | 43.4%±11.9 pts | 46.3% |
| Households with no vehicle | 18.1%±8.8 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 4240.02 get to work?
45.4% of Census Tract 4240.02's workers drive alone and 31.3% work from home. The average trip to work takes 25.2 minutes.
| Measure | Tract 4240.02 | Berkeley |
|---|---|---|
| In the labor force (age 16+) | 73.5%±6.6 pts | 60.1% |
| Unemployment rate | 5.8%±4.1 pts | 5.6% |
| Drove alone to work | 45.4%±11.9 pts | 27.2% |
| Carpooled | 1.6%±1.9 pts | 3.3% |
| Public transportation | 14.4%±5.8 pts | 12.4% |
| Walked | 3.9%±3.8 pts | 13.6% |
| Worked from home | 31.3%±10.5 pts | 37.1% |
| Mean travel time to work | 25.2 min±3.2 | 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 4240.02 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4240.02 ranks as shown below (1 = highest).
| Measure | In Alameda County | In Berkeley |
|---|---|---|
| Population | 331st of 375 | 25th of 34 |
| Residents per square mile | 45th of 378 | 9th of 34 |
| Median household income | 244th of 372 | 18th of 31 |
| Per capita income | 217th of 377 | 24th of 34 |
| Median home value | 104th of 366 | 18th of 30 |
| Median gross rent | 337th of 368 | 33rd of 34 |
| Poverty rate | 196th of 263 | 24th of 29 |
| Bachelor's degree or higher | 180th of 376 | 31st of 34 |
| Median age | 151st of 377 | 14th of 34 |
| Owner-occupied share | 195th of 366 | 12th of 30 |
The tracts next to it on Alameda County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4382.04 | 241st | $106,270±$14,310 · within the margin of this tract |
| Tract 4308 | 242nd | $106,016±$21,851 · within the margin of this tract |
| Tract 4384 | 243rd | $105,987±$10,882 · within the margin of this tract |
| Tract 4240.02 | 244th | $105,813±$43,691 |
| Tract 4326.02 | 245th | $105,750±$33,506 · within the margin of this tract |
| Tract 4078 | 246th | $105,179±$44,731 · within the margin of this tract |
| Tract 4353 | 247th | $104,909±$25,251 · 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 4240.02?
Every figure for Census Tract 4240.02 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