Census tract · Los Angeles County
Census Tract 4340.03, Los Angeles County, California
Census Tract 4340.03, GEOID 06037434003, in Los Angeles County, California, mostly within El Monte (75% of its census blocks). 3,786 residents in the ACS 2020-2024 5-year estimates (±380); the 2020 Census counted 4,093.
Residents, 2020-2024
3,786
±380 (90% margin)
2020 Census count: 4,093
Median household income
$76,930
±$9,628 (90% margin)
Los Angeles County: $90,112
Median home value
$577,500
±$56,784 (90% margin)
Los Angeles County: $834,200
Median gross rent
$1,912
±$156 (90% margin)
Los Angeles County: $1,954
Where is Census Tract 4340.03?
Census Tract 4340.03 is one of 2,498 census tracts in Los Angeles County, California. It covers 0.37 square miles of land, 11,003 residents per square mile in 2020. Its GEOID, 06037434003, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| El Monte | 75% |
| South El Monte | 5% |
5 census tracts border Census Tract 4340.03: Tract 4083.02 ($88,068), Tract 4338.04 ($73,877), Tract 4339.03 ($57,065), Tract 4340.01 ($84,102) and Tract 4340.04 ($108,319). 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 4340.03?
The 2020-2024 American Community Survey puts Census Tract 4340.03's population at 3,786 (±380) in 899 households; the 2020 Census counted 4,093 residents and 991 housing units.
| Measure | Tract 4340.03 | El Monte |
|---|---|---|
| Total population | 3,786±380 | 106,109 |
| Households | 899±84 | 29,344 |
| Average household size | 4.16±0.38 | 3.56 |
| Housing units | 954±86 | 30,333 |
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 4340.03?
The median resident of Census Tract 4340.03 is 34.8 years old; 26.9% are under 18 and 11.5% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 85.9%, then non-Hispanic Asian residents at 12.2%. 44.3% of residents were born outside the United States.
| Measure | Tract 4340.03 | El Monte |
|---|---|---|
| Median age | 34.8±2.2 | 37.8 |
| Under 18 years | 26.9%±2.9 pts | 22.8% |
| 65 years and over | 11.5%±2.8 pts | 15.4% |
| Hispanic or Latino (any race) | 85.9%±3.1 pts | 67.2% |
| White alone, not Hispanic | 1.3%±1.0 pts | 3.3% |
| Black or African American alone, not Hispanic | 0.6%±0.6 pts | 0.5% |
| Asian alone, not Hispanic | 12.2%±3.0 pts | 27.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.1 pts | 0.4% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.1 pts | 0.2% |
| Two or more races, not Hispanic | 0.1%±0.3 pts | 0.7% |
| Some other race alone, not Hispanic | 0.0%±1.1 pts | 0.4% |
| Born outside the United States | 44.3%±5.1 pts | 49.1% |
| Speak a language other than English at home (age 5+) | 81.1%±5.1 pts | 82.0% |
| Civilian veterans (age 18+) | 1.7%±1.2 pts | 1.9% |
| With a disability | 5.8%±2.0 pts | 12.3% |
| No health insurance coverage | 15.6%±4.1 pts | 12.9% |
| High school graduate or higher (age 25+) | 56.5%±5.3 pts | 64.6% |
| Bachelor's degree or higher (age 25+) | 8.4%±3.3 pts | 15.2% |
| Graduate or professional degree (age 25+) | 1.9%±1.4 pts | 3.5% |
| Lived in the same house a year earlier | 89.6%±6.3 pts | 93.8% |
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 4340.03 earn?
Half of the 899 households in Census Tract 4340.03 earn less than $76,930 a year (±$9,628), against $90,112 across Los Angeles County: 1,550th highest of the county's 2,422 tracts with a reliable estimate. 13.6% of residents live below the poverty line.
| Measure | Tract 4340.03 | El Monte |
|---|---|---|
| Median household income | $76,930±$9,628 | $68,030 |
| Mean household income | $99,510±$15,981 | $88,559 |
| Per capita income | $23,861±$2,989 | $25,481 |
| People below the poverty line | 13.6%±6.7 pts | 17.4% |
| Children under 18 below the poverty line | 17.9%±11.1 pts | 26.6% |
| Households receiving SNAP | 18.8%±7.8 pts | 25.8% |
| Households with a computer | 94.3%±3.3 pts | 94.7% |
| Households with a broadband subscription | 94.1%±3.0 pts | 89.8% |
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 4340.03?
Owners occupy 41.9% of Census Tract 4340.03's occupied homes and renters 58.1%. The median owner-occupied home is valued at $577,500 by its owner (±$56,784). The median renter pays $1,912 a month including utilities, and 42.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 4340.03 | El Monte |
|---|---|---|
| Median home value (owner-occupied) | $577,500±$56,784 | $644,000 |
| Median gross rent | $1,912±$156 | $1,736 |
| Renters paying 35% or more of income on rent | 42.0%±13.7 pts | 50.7% |
| Median monthly owner costs, with a mortgage | $1,973±$271 | $2,548 |
| Owner-occupied homes | 41.9%±8.1 pts | 40.2% |
| Renter-occupied homes | 58.1%±8.1 pts | 59.8% |
| Housing units | 954±86 | 30,333 |
| Single-family detached homes | 74.5%±8.4 pts | 54.2% |
| Mobile homes | 2.3%±2.1 pts | 4.6% |
| Built 2020 or later | 0.0%±4.4 pts | 0.6% |
| Built 2010 to 2019 | 3.5%±3.3 pts | 4.9% |
| Built 1939 or earlier | 3.9%±2.9 pts | 8.8% |
| Households with no vehicle | 5.5%±3.6 pts | 9.3% |
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 4340.03 get to work?
74.1% of Census Tract 4340.03's workers drive alone. The average trip to work takes 32.9 minutes. The unemployment rate in 2020-2024 averaged 4.8%.
| Measure | Tract 4340.03 | El Monte |
|---|---|---|
| In the labor force (age 16+) | 61.1%±4.1 pts | 61.5% |
| Unemployment rate | 4.8%±2.6 pts | 6.3% |
| Drove alone to work | 74.1%±7.1 pts | 69.1% |
| Carpooled | 15.2%±6.3 pts | 16.2% |
| Public transportation | 0.4%±0.6 pts | 3.3% |
| Walked | 0.0%±2.5 pts | 2.0% |
| Worked from home | 4.6%±3.5 pts | 6.5% |
| Mean travel time to work | 32.9 min±5.1 | 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 4340.03 compare with the other tracts in Los Angeles County?
Among Los Angeles County's tracts with a reliable estimate, Census Tract 4340.03 ranks as shown below (1 = highest).
| Measure | In Los Angeles County | In El Monte |
|---|---|---|
| Population | 1,302nd of 2,470 | 18th of 24 |
| Residents per square mile | 1,218th of 2,495 | 14th of 24 |
| Median household income | 1,550th of 2,422 | 9th of 24 |
| Per capita income | 2,055th of 2,468 | 15th of 24 |
| Median home value | 2,030th of 2,319 | 21st of 23 |
| Median gross rent | 1,297th of 2,396 | 7th of 24 |
| Poverty rate | 1,000th of 1,890 | 17th of 20 |
| Bachelor's degree or higher | 2,260th of 2,410 | 21st of 23 |
| Median age | 1,823rd of 2,473 | 21st of 24 |
| Owner-occupied share | 1,318th of 2,272 | 13th of 24 |
The tracts next to it on Los Angeles County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 6039.02 | 1,547th | $77,199±$36,399 · within the margin of this tract |
| Tract 5306.03 | 1,548th | $77,109±$17,359 · within the margin of this tract |
| Tract 2379 | 1,549th | $77,072±$24,945 · within the margin of this tract |
| Tract 4340.03 | 1,550th | $76,930±$9,628 |
| Tract 2702 | 1,551st | $76,905±$35,537 · within the margin of this tract |
| Tract 2346 | 1,552nd | $76,875±$23,103 · within the margin of this tract |
| Tract 4042.03 | 1,553rd | $76,837±$10,177 · 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 4340.03?
3 of the 18 figures for Census Tract 4340.03 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