Census tract · Los Angeles County
Census Tract 4638, Los Angeles County, California
Census Tract 4638, GEOID 06037463800, in Los Angeles County, California, entirely within Pasadena. 3,978 residents in the ACS 2020-2024 5-year estimates (±542); the 2020 Census counted 3,953.
Residents, 2020-2024
3,978
±542 (90% margin)
2020 Census count: 3,953
Median household income
$215,714
±$36,976 (90% margin)
Los Angeles County: $90,112
Median home value
$1,671,600
±$63,676 (90% margin)
Los Angeles County: $834,200
Median gross rent
$2,799
±$397 (90% margin)
Los Angeles County: $1,954
Where is Census Tract 4638?
Census Tract 4638 is one of 2,498 census tracts in Los Angeles County, California. It covers 1.10 square miles of land, 3,600 residents per square mile in 2020. Its GEOID, 06037463800, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Pasadena | 100% |
7 census tracts border Census Tract 4638: Tract 1810 ($151,875), Tract 1815 ($127,847), Tract 1831.01 ($120,521), Tract 1831.04 ($94,444), Tract 4608 ($250,000 or more), Tract 4637 ($188,403) and Tract 4639 ($132,163). 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 4638?
The 2020-2024 American Community Survey puts Census Tract 4638's population at 3,978 (±542) in 1,496 households; the 2020 Census counted 3,953 residents and 1,714 housing units.
| Measure | Tract 4638 | Pasadena |
|---|---|---|
| Total population | 3,978±542 | 136,969 |
| Households | 1,496±130 | 57,425 |
| Average household size | 2.64±0.24 | 2.30 |
| Housing units | 1,682±121 | 63,203 |
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 4638?
The median resident of Census Tract 4638 is 46.1 years old; 22.2% are under 18 and 21.1% are 65 or older. The largest group is non-Hispanic white residents at 49.6%, then Hispanic or Latino residents (of any race) at 21.3%. 13.9% of residents were born outside the United States.
| Measure | Tract 4638 | Pasadena |
|---|---|---|
| Median age | 46.1±4.1 | 40.1 |
| Under 18 years | 22.2%±3.8 pts | 16.7% |
| 65 years and over | 21.1%±4.0 pts | 17.4% |
| Hispanic or Latino (any race) | 21.3%±7.6 pts | 34.0% |
| White alone, not Hispanic | 49.6%±7.7 pts | 34.9% |
| Black or African American alone, not Hispanic | 2.8%±3.3 pts | 8.0% |
| Asian alone, not Hispanic | 14.9%±4.7 pts | 17.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.1 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.1 pts | 0.2% |
| Two or more races, not Hispanic | 8.0%±2.8 pts | 5.4% |
| Some other race alone, not Hispanic | 3.3%±3.2 pts | 0.5% |
| Born outside the United States | 13.9%±4.3 pts | 28.2% |
| Speak a language other than English at home (age 5+) | 23.9%±5.6 pts | 41.9% |
| Civilian veterans (age 18+) | 3.8%±1.8 pts | 3.2% |
| With a disability | 7.5%±3.5 pts | 10.7% |
| No health insurance coverage | 1.2%±1.0 pts | 5.7% |
| High school graduate or higher (age 25+) | 97.5%±1.5 pts | 89.9% |
| Bachelor's degree or higher (age 25+) | 77.4%±5.8 pts | 56.1% |
| Graduate or professional degree (age 25+) | 39.4%±5.7 pts | 26.9% |
| Lived in the same house a year earlier | 91.2%±4.4 pts | 87.8% |
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 4638 earn?
Half of the 1,496 households in Census Tract 4638 earn less than $215,714 a year (±$36,976), against $90,112 across Los Angeles County: 46th highest of the county's 2,422 tracts with a reliable estimate.
| Measure | Tract 4638 | Pasadena |
|---|---|---|
| Median household income | $215,714±$36,976 | $105,192 |
| Mean household income | $315,514±$48,803 | $153,095 |
| Per capita income | $122,849±$17,015 | $65,304 |
| People below the poverty line | 3.9%±2.9 pts | 13.3% |
| Children under 18 below the poverty line | 4.1%±4.8 pts | 15.2% |
| Households receiving SNAP | 3.9%±3.0 pts | 10.8% |
| Households with a computer | 98.8%±1.4 pts | 96.6% |
| Households with a broadband subscription | 97.4%±2.3 pts | 93.9% |
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 4638?
Owners occupy 89.9% of Census Tract 4638's occupied homes and renters 10.1%. The median owner-occupied home is valued at $1,671,600 by its owner (±$63,676). The median renter pays $2,799 a month including utilities.
| Measure | Tract 4638 | Pasadena |
|---|---|---|
| Median home value (owner-occupied) | $1,671,600±$63,676 | $1,093,300 |
| Median gross rent | $2,799±$397 | $2,265 |
| Renters paying 35% or more of income on rent | 35.3%±25.1 pts | 43.5% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,627 |
| Owner-occupied homes | 89.9%±4.6 pts | 42.5% |
| Renter-occupied homes | 10.1%±4.6 pts | 57.5% |
| Housing units | 1,682±121 | 63,203 |
| Single-family detached homes | 96.7%±2.8 pts | 42.7% |
| Mobile homes | 0.0%±2.5 pts | 0.0% |
| Built 2020 or later | 0.0%±2.5 pts | 0.8% |
| Built 2010 to 2019 | 0.0%±2.5 pts | 5.3% |
| Built 1939 or earlier | 26.1%±7.2 pts | 28.6% |
| Households with no vehicle | 4.7%±3.0 pts | 9.4% |
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 4638 get to work?
49.9% of Census Tract 4638's workers drive alone and 43.2% work from home. The average trip to work takes 23.7 minutes.
| Measure | Tract 4638 | Pasadena |
|---|---|---|
| In the labor force (age 16+) | 66.7%±5.3 pts | 67.5% |
| Unemployment rate | 2.5%±1.8 pts | 5.6% |
| Drove alone to work | 49.9%±8.0 pts | 55.5% |
| Carpooled | 3.9%±3.1 pts | 4.9% |
| Public transportation | 0.0%±2.1 pts | 3.8% |
| Walked | 1.8%±2.6 pts | 4.2% |
| Worked from home | 43.2%±8.7 pts | 27.6% |
| Mean travel time to work | 23.7 min±3.7 | 26.9 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 4638 compare with the other tracts in Los Angeles County?
Among Los Angeles County's tracts with a reliable estimate, Census Tract 4638 ranks as shown below (1 = highest).
| Measure | In Los Angeles County | In Pasadena |
|---|---|---|
| Population | 1,154th of 2,470 | 15th of 35 |
| Residents per square mile | 2,196th of 2,495 | 31st of 35 |
| Median household income | 46th of 2,422 | 3rd of 35 |
| Per capita income | 62nd of 2,468 | 2nd of 35 |
| Median home value | 170th of 2,319 | 3rd of 35 |
| Median gross rent | 347th of 2,396 | 6th of 35 |
| Bachelor's degree or higher | 69th of 2,410 | 1st of 35 |
| Median age | 330th of 2,473 | 9th of 35 |
| Owner-occupied share | 113th of 2,272 | 2nd of 35 |
The tracts next to it on Los Angeles County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 2693 | 43rd | $219,552±$43,479 · within the margin of this tract |
| Tract 6208.01 | 44th | $219,188±$40,668 · within the margin of this tract |
| Tract 6203.03 | 45th | $217,083±$72,319 · within the margin of this tract |
| Tract 4638 | 46th | $215,714±$36,976 |
| Tract 6704.13 | 47th | $214,625±$36,276 · within the margin of this tract |
| Tract 9201.19 | 48th | $214,417±$46,726 · within the margin of this tract |
| Tract 6209.04 | 49th | $212,359±$27,532 · 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 4638?
2 of the 18 figures for Census Tract 4638 on this page carry a coefficient of variation over 40% and are 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