Census tract · Alameda County
Census Tract 4100, Alameda County, California
Census Tract 4100, GEOID 06001410000, in Alameda County, California, entirely within Oakland. 3,116 residents in the ACS 2020-2024 5-year estimates (±459); the 2020 Census counted 3,031.
Residents, 2020-2024
3,116
±459 (90% margin)
2020 Census count: 3,031
Median household income
$188,203
±$31,944 (90% margin)
Alameda County: $129,367
Median home value
$1,131,200
±$73,877 (90% margin)
Alameda County: $1,090,100
Median gross rent
$3,173
±$1,778 (90% margin)
Alameda County: $2,357
Where is Census Tract 4100?
Census Tract 4100 is one of 379 census tracts in Alameda County, California. It covers 2.53 square miles of land, 1,198 residents per square mile in 2020. Its GEOID, 06001410000, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Oakland | 100% |
7 census tracts border Census Tract 4100: Tract 4099 ($203,385), Tract 4101 ($86,813), Tract 4301.02 ($192,426), Tract 4304 ($193,958), Tract 4321 ($188,409), Tract 4327 ($133,850) and Tract 4328 ($134,211). 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 4100?
The 2020-2024 American Community Survey puts Census Tract 4100's population at 3,116 (±459) in 1,207 households; the 2020 Census counted 3,031 residents and 1,182 housing units.
| Measure | Tract 4100 | Oakland |
|---|---|---|
| Total population | 3,116±459 | 439,418 |
| Households | 1,207±145 | 176,584 |
| Average household size | 2.58±0.24 | 2.45 |
| Housing units | 1,246±137 | 191,713 |
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 4100?
The median resident of Census Tract 4100 is 47.2 years old; 18.3% are under 18 and 29.3% are 65 or older. The largest group is non-Hispanic Black residents at 37.1%, then non-Hispanic white residents at 31.0%. 9.3% of residents were born outside the United States.
| Measure | Tract 4100 | Oakland |
|---|---|---|
| Median age | 47.2±7.0 | 37.9 |
| Under 18 years | 18.3%±5.0 pts | 18.9% |
| 65 years and over | 29.3%±8.3 pts | 14.7% |
| Hispanic or Latino (any race) | 5.9%±3.2 pts | 28.7% |
| White alone, not Hispanic | 31.0%±6.9 pts | 27.8% |
| Black or African American alone, not Hispanic | 37.1%±9.4 pts | 19.7% |
| Asian alone, not Hispanic | 13.8%±4.6 pts | 15.7% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.4 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.9%±1.4 pts | 0.4% |
| Two or more races, not Hispanic | 10.9%±4.6 pts | 6.6% |
| Some other race alone, not Hispanic | 0.4%±0.6 pts | 0.9% |
| Born outside the United States | 9.3%±4.4 pts | 27.5% |
| Speak a language other than English at home (age 5+) | 16.0%±6.5 pts | 40.3% |
| Civilian veterans (age 18+) | 7.0%±3.4 pts | 2.9% |
| With a disability | 11.5%±6.6 pts | 12.2% |
| No health insurance coverage | 2.0%±1.1 pts | 5.6% |
| High school graduate or higher (age 25+) | 93.2%±7.4 pts | 84.8% |
| Bachelor's degree or higher (age 25+) | 55.5%±9.1 pts | 48.7% |
| Graduate or professional degree (age 25+) | 27.4%±8.1 pts | 22.0% |
| Lived in the same house a year earlier | 93.3%±4.5 pts | 87.3% |
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 4100 earn?
Half of the 1,207 households in Census Tract 4100 earn less than $188,203 a year (±$31,944), against $129,367 across Alameda County: 80th highest of the county's 372 tracts with a reliable estimate.
| Measure | Tract 4100 | Oakland |
|---|---|---|
| Median household income | $188,203±$31,944 | $101,600 |
| Mean household income | $235,676±$30,261 | $149,718 |
| Per capita income | $94,135±$14,680 | $61,757 |
| People below the poverty line | 3.3%±2.8 pts | 13.4% |
| Children under 18 below the poverty line | 1.8%±3.1 pts | 16.6% |
| Households receiving SNAP | 7.1%±2.8 pts | 15.3% |
| Households with a computer | 97.5%±3.9 pts | 96.0% |
| Households with a broadband subscription | 91.5%±8.2 pts | 91.6% |
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 4100?
Owners occupy 88.2% of Census Tract 4100's occupied homes and renters 11.8%. The median owner-occupied home is valued at $1,131,200 by its owner (±$73,877). The median renter pays $3,173 a month including utilities, and 39.9% of renters pay 35% or more of their income on rent.
| Measure | Tract 4100 | Oakland |
|---|---|---|
| Median home value (owner-occupied) | $1,131,200±$73,877 | $929,900 |
| Median gross rent | $3,173±$1,778 | $1,979 |
| Renters paying 35% or more of income on rent | 39.9%±21.6 pts | 42.3% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,684 |
| Owner-occupied homes | 88.2%±5.3 pts | 42.3% |
| Renter-occupied homes | 11.8%±5.3 pts | 57.7% |
| Housing units | 1,246±137 | 191,713 |
| Single-family detached homes | 95.5%±4.0 pts | 41.5% |
| Mobile homes | 0.0%±3.3 pts | 0.6% |
| Built 2020 or later | 0.0%±3.3 pts | 1.5% |
| Built 2010 to 2019 | 0.0%±3.3 pts | 5.9% |
| Built 1939 or earlier | 14.1%±6.7 pts | 37.2% |
| Households with no vehicle | 3.4%±4.1 pts | 16.2% |
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 4100 get to work?
62.0% of Census Tract 4100's workers drive alone and 26.9% work from home. The average trip to work takes 30.2 minutes.
| Measure | Tract 4100 | Oakland |
|---|---|---|
| In the labor force (age 16+) | 61.0%±8.4 pts | 68.7% |
| Unemployment rate | 4.1%±3.3 pts | 6.4% |
| Drove alone to work | 62.0%±12.4 pts | 46.9% |
| Carpooled | 2.5%±2.1 pts | 7.6% |
| Public transportation | 7.6%±5.0 pts | 12.5% |
| Walked | 0.0%±2.8 pts | 2.9% |
| Worked from home | 26.9%±11.0 pts | 26.5% |
| Mean travel time to work | 30.2 min±3.4 | 29.8 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 4100 compare with the other tracts in Alameda County?
Among Alameda County's tracts with a reliable estimate, Census Tract 4100 ranks as shown below (1 = highest).
| Measure | In Alameda County | In Oakland |
|---|---|---|
| Population | 292nd of 375 | 73rd of 114 |
| Residents per square mile | 356th of 378 | 112th of 116 |
| Median household income | 80th of 372 | 15th of 114 |
| Per capita income | 61st of 377 | 23rd of 116 |
| Median home value | 142nd of 366 | 25th of 112 |
| Median gross rent | 76th of 368 | 11th of 110 |
| Bachelor's degree or higher | 186th of 376 | 55th of 115 |
| Median age | 38th of 377 | 10th of 116 |
| Owner-occupied share | 34th of 366 | 10th of 111 |
The tracts next to it on Alameda County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4081 | 77th | $189,891±$50,131 · within the margin of this tract |
| Tract 4351.03 | 78th | $189,638±$38,671 · within the margin of this tract |
| Tract 4321 | 79th | $188,409±$31,803 · within the margin of this tract |
| Tract 4100 | 80th | $188,203±$31,944 |
| Tract 4363.01 | 81st | $187,333±$63,708 · within the margin of this tract |
| Tract 4415.23 | 82nd | $184,936±$18,768 · within the margin of this tract |
| Tract 4238 | 83rd | $184,871±$22,832 · 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 4100?
1 of the 18 figures for Census Tract 4100 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