Census tract · Alameda County
Census Tract 4328, Alameda County, California
Census Tract 4328, GEOID 06001432800, in Alameda County, California, mostly within San Leandro (55% of its census blocks). 3,930 residents in the ACS 2020-2024 5-year estimates (±548); the 2020 Census counted 4,121.
Residents, 2020-2024
3,930
±548 (90% margin)
2020 Census count: 4,121
Median household income
$134,211
±$18,367 (90% margin)
Alameda County: $129,367
Median home value
$1,118,400
±$63,822 (90% margin)
Alameda County: $1,090,100
Median gross rent
$3,189
±$652 (90% margin)
Alameda County: $2,357
Where is Census Tract 4328?
Census Tract 4328 is one of 379 census tracts in Alameda County, California. It covers 1.50 square miles of land, 2,753 residents per square mile in 2020. Its GEOID, 06001432800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| San Leandro | 55% |
| Castro Valley | 45% |
6 census tracts border Census Tract 4328: Tract 4100 ($188,203), Tract 4304 ($193,958), Tract 4305 ($114,408), Tract 4327 ($133,850), Tract 4330 ($102,555) and Tract 4338.01 ($102,500). 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 4328?
The 2020-2024 American Community Survey puts Census Tract 4328's population at 3,930 (±548) in 1,474 households; the 2020 Census counted 4,121 residents and 1,532 housing units.
| Measure | Tract 4328 | San Leandro |
|---|---|---|
| Total population | 3,930±548 | 87,826 |
| Households | 1,474±219 | 30,454 |
| Average household size | 2.64±0.32 | 2.86 |
| Housing units | 1,580±219 | 31,954 |
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 4328?
The median resident of Census Tract 4328 is 48.0 years old; 18.8% are under 18 and 26.6% are 65 or older. The largest group is non-Hispanic white residents at 33.5%, then non-Hispanic Asian residents at 31.1%. 28.5% of residents were born outside the United States.
| Measure | Tract 4328 | San Leandro |
|---|---|---|
| Median age | 48.0±7.9 | 41.9 |
| Under 18 years | 18.8%±4.2 pts | 18.0% |
| 65 years and over | 26.6%±8.1 pts | 18.9% |
| Hispanic or Latino (any race) | 16.0%±4.9 pts | 29.3% |
| White alone, not Hispanic | 33.5%±7.9 pts | 19.7% |
| Black or African American alone, not Hispanic | 9.0%±4.8 pts | 9.5% |
| Asian alone, not Hispanic | 31.1%±7.7 pts | 35.8% |
| American Indian and Alaska Native alone, not Hispanic | 1.2%±1.3 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.1 pts | 0.7% |
| Two or more races, not Hispanic | 8.7%±5.4 pts | 4.2% |
| Some other race alone, not Hispanic | 0.5%±0.7 pts | 0.6% |
| Born outside the United States | 28.5%±6.4 pts | 38.4% |
| Speak a language other than English at home (age 5+) | 42.3%±10.1 pts | 54.5% |
| Civilian veterans (age 18+) | 2.2%±1.5 pts | 3.6% |
| With a disability | 10.6%±3.5 pts | 12.6% |
| No health insurance coverage | 3.2%±2.3 pts | 5.1% |
| High school graduate or higher (age 25+) | 91.8%±4.0 pts | 82.2% |
| Bachelor's degree or higher (age 25+) | 47.6%±7.9 pts | 33.3% |
| Graduate or professional degree (age 25+) | 12.7%±4.5 pts | 10.1% |
| Lived in the same house a year earlier | 86.6%±6.0 pts | 92.9% |
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 4328 earn?
Half of the 1,474 households in Census Tract 4328 earn less than $134,211 a year (±$18,367), against $129,367 across Alameda County: 169th highest of the county's 372 tracts with a reliable estimate. 3.4% of residents live below the poverty line.
| Measure | Tract 4328 | San Leandro |
|---|---|---|
| Median household income | $134,211±$18,367 | $101,420 |
| Mean household income | $151,020±$22,571 | $130,140 |
| Per capita income | $59,184±$8,248 | $47,074 |
| People below the poverty line | 3.4%±2.1 pts | 8.3% |
| Children under 18 below the poverty line | 0.0%±5.6 pts | 7.1% |
| Households receiving SNAP | 3.7%±2.8 pts | 13.0% |
| Households with a computer | 85.8%±10.8 pts | 96.1% |
| Households with a broadband subscription | 83.8%±11.1 pts | 93.4% |
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 4328?
Owners occupy 82.9% of Census Tract 4328's occupied homes and renters 17.1%. The median owner-occupied home is valued at $1,118,400 by its owner (±$63,822). The median renter pays $3,189 a month including utilities.
| Measure | Tract 4328 | San Leandro |
|---|---|---|
| Median home value (owner-occupied) | $1,118,400±$63,822 | $844,200 |
| Median gross rent | $3,189±$652 | $2,186 |
| Renters paying 35% or more of income on rent | 11.3%±12.7 pts | 44.2% |
| Median monthly owner costs, with a mortgage | $3,598±$619 | $3,116 |
| Owner-occupied homes | 82.9%±7.1 pts | 58.1% |
| Renter-occupied homes | 17.1%±7.1 pts | 41.9% |
| Housing units | 1,580±219 | 31,954 |
| Single-family detached homes | 92.3%±4.4 pts | 57.3% |
| Mobile homes | 1.3%±1.9 pts | 2.4% |
| Built 2020 or later | 0.0%±2.7 pts | 0.2% |
| Built 2010 to 2019 | 0.7%±1.1 pts | 2.4% |
| Built 1939 or earlier | 5.2%±4.4 pts | 11.1% |
| Households with no vehicle | 2.4%±2.7 pts | 8.9% |
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 4328 get to work?
56.9% of Census Tract 4328's workers drive alone and 28.0% work from home. The average trip to work takes 29.1 minutes. The unemployment rate in 2020-2024 averaged 6.3%.
| Measure | Tract 4328 | San Leandro |
|---|---|---|
| In the labor force (age 16+) | 55.9%±5.1 pts | 65.1% |
| Unemployment rate | 6.3%±3.1 pts | 5.3% |
| Drove alone to work | 56.9%±9.9 pts | 60.2% |
| Carpooled | 4.5%±3.1 pts | 11.9% |
| Public transportation | 7.3%±5.1 pts | 8.0% |
| Walked | 2.4%±3.1 pts | 2.1% |
| Worked from home | 28.0%±10.6 pts | 15.8% |
| Mean travel time to work | 29.1 min±4.1 | 31.2 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 4328 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4328 ranks as shown below (1 = highest).
| Measure | In Alameda County | In San Leandro |
|---|---|---|
| Population | 220th of 375 | 13th of 19 |
| Residents per square mile | 334th of 378 | 18th of 19 |
| Median household income | 169th of 372 | 4th of 19 |
| Per capita income | 222nd of 377 | 6th of 19 |
| Median home value | 146th of 366 | 1st of 19 |
| Median gross rent | 69th of 368 | 1st of 19 |
| Poverty rate | 244th of 263 | 15th of 15 |
| Bachelor's degree or higher | 232nd of 376 | 4th of 19 |
| Median age | 29th of 377 | 1st of 19 |
| Owner-occupied share | 64th of 366 | 1st of 19 |
The tracts next to it on Alameda County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4334 | 166th | $135,536±$55,288 · within the margin of this tract |
| Tract 4430.02 | 167th | $135,313±$38,100 · within the margin of this tract |
| Tract 4351.02 | 168th | $134,902±$35,713 · within the margin of this tract |
| Tract 4328 | 169th | $134,211±$18,367 |
| Tract 4067 | 170th | $134,087±$40,427 · within the margin of this tract |
| Tract 4251.02 | 171st | $134,044±$18,154 · within the margin of this tract |
| Tract 4327 | 172nd | $133,850±$48,296 · 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 4328?
Every figure for Census Tract 4328 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