91601, CA Demographics

Population 37,748 · Census ACS 2020–24

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91601, CA map of median age by neighborhood
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Population and households in ZIP 91601

Household size in ZIP 91601

Household size, people per household
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–102.313.143.042.68
2010–142.383.203.102.73
2015–192.243.163.092.71
2020–242.023.013.012.65
Change−0.29−0.13−0.03−0.03
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ZIP 91601 is a place of small households, averaging 2.02 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.31, a much bigger shift than nationally. Of the 1,131 California ZIP codes with 5,000+ people, only 53 have smaller households.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in ZIP 91601

Median age, years
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–1033.635.635.837.7
2010–1433.336.736.838.6
2015–1935.738.037.939.6
2020–2435.639.539.040.1
Change+2.0+4.0+3.1+2.3
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With a median age of just 35.6, ZIP 91601 is far younger than the country as a whole (40.1), a population that tilts toward young adults, many of them living alone or as couples. The median age has climbed from 33.6 in 2006–10, as it has nationally.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in ZIP 91601

Single-parent households, % of households
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–1012.0%14.3%13.5%12.3%
2010–1411.2%14.1%13.5%12.3%
2015–198.4%12.5%12.3%11.6%
2020–247.7%12.3%12.3%11.6%
Change−4.3 pts−2.0 pts−1.2 pts−0.6 pts
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Single parents head only 7.7% of households in ZIP 91601, well below the national share of 11.6%. Since 2006–10, the single-parent share has fallen 4.3 points, a much bigger shift than nationally.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in ZIP 91601

Renters in ZIP 91601

Renters, % of occupied homes
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–1081.2%48.8%42.6%33.3%
2010–1481.2%50.8%45.2%35.6%
2015–1982.3%51.4%45.2%36.0%
2020–2483.2%51.6%44.1%34.8%
Change+2.0 pts+2.8 pts+1.5 pts+1.5 pts
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Renters far outnumber owners in ZIP 91601: 83.2% of households rent their homes, against 34.8% nationally. Among homeowners, 28.0% have no mortgage at all, well below the national share of 39.8%. The renter share has risen 2.0 points since 2006–10, mirroring the country. Of the 1,131 California ZIP codes with 5,000+ people, only 37 have a higher share of renters.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in ZIP 91601

Vacant homes, % of all homes
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–107.5%7.0%8.7%11.4%
2010–147.4%6.7%8.1%11.4%
2015–199.8%6.6%7.5%11.1%
2020–249.1%6.7%7.3%9.6%
Change+1.6 pts−0.3 pts−1.4 pts−1.8 pts
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Vacancy in ZIP 91601 is close to the national rate: 9.1% of homes are empty, against 9.6%. The rate is higher than in the Los Angeles area overall (6.7%). Vacancy is up 1.6 points from 2006–10, even as the national rate fell.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in ZIP 91601

Age of homes, median year built
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–101965196519721974
2010–141973196619731975
2015–191971196619741977
2020–241974196919761980
Change+9+4+4+6
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Homes in ZIP 91601 run a bit older than the national norm, with a median build year of 1974 against 1980. Still, homes here are newer than in the Los Angeles area as a whole, where the median home dates to 1969. The median year built has moved up from 1965 in 2006–10, a sign of steady new building. The newest homes are mostly in the center, the oldest in the northeast.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in ZIP 91601

Rent, per month
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–10$1,142$1,328$1,298$965
2010–14$1,273$1,415$1,379$1,040
2015–19$1,570$1,755$1,721$1,213
2020–24$2,049$2,279$2,229$1,571
Change+$907+$951+$931+$606
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Rent in ZIP 91601 runs $2,049 a month at the median, utilities included, well above the U.S. median of $1,571. Still, rents here are lower than in the Los Angeles area as a whole ($2,279). Rent has climbed $907 a month since 2006–10, up 79%, faster than rents rose nationally. Rent takes 35.7% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in ZIP 91601

Bachelor's degrees in ZIP 91601

Bachelor's degrees, % of adults 25+
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–1035.1%29.7%29.1%28.4%
2010–1435.9%30.7%30.1%29.6%
2015–1940.0%33.7%32.9%32.1%
2020–2448.6%37.6%36.3%35.6%
Change+13.5 pts+7.9 pts+7.1 pts+7.2 pts
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College graduates are unusually common in ZIP 91601: 48.6% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. The share with a degree has risen 13.5 points since 2006–10, mirroring the country.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in ZIP 91601

High school graduates, % of adults 25+
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–1082.4%76.7%79.9%84.9%
2010–1482.6%77.7%80.7%86.1%
2015–1986.4%80.0%82.6%87.7%
2020–2489.2%82.1%84.2%89.3%
Change+6.9 pts+5.4 pts+4.3 pts+4.3 pts
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About as many adults in ZIP 91601 have finished high school as nationally: 89.2%, against 89.3%. The rate is higher than in the Los Angeles area overall (82.1%). The share with a diploma has risen 6.9 points since 2006–10, mirroring the country.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in ZIP 91601

Unemployment, % of the labor force
PeriodZIP 91601Los Angeles areaCaliforniaU.S.
2006–109.8%8.5%9.2%8.1%
2010–1413.0%10.6%11.3%9.4%
2015–195.3%5.8%6.3%5.6%
2020–249.8%6.7%6.6%5.4%
Change−0.0 pts−1.7 pts−2.6 pts−2.7 pts
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Unemployment in ZIP 91601 runs well above the national rate: 9.8% of the labor force was out of work and looking, against 5.4%. ZIP 91601 has higher unemployment than the great majority of California ZIP codes. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

ZIP 91601 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 916012.0235.67.7%83.2%9.1%1974$2,04948.6%89.2%9.8%
ZIP 916022.1039.87.0%67.0%7.4%1972$2,25254.5%95.1%9.0%
ZIP 916062.8038.611.5%68.7%6.0%1963$1,87026.6%79.4%8.8%
ZIP 916072.3138.77.5%72.3%6.4%1969$2,05250.8%94.1%8.6%
ZIP 915052.4739.17.1%55.0%9.6%1954$2,50048.4%95.3%6.7%
ZIP 916042.1842.15.2%53.8%5.8%1970$2,74365.5%98.2%8.9%
ZIP 916081.9642.35.3%19.4%5.3%1956$3,08363.8%100.0%2.7%
ZIP 915062.4343.88.9%42.6%9.1%1953$2,17947.7%94.0%8.1%
ZIP 916053.1938.313.7%61.5%7.9%1964$1,86221.7%72.6%8.5%
ZIP 915042.7741.48.7%49.1%7.1%1964$2,65848.2%91.6%7.8%
ZIP 914012.6438.510.3%67.8%5.1%1968$2,00437.6%79.0%8.2%

All figures 2020–24.

Zip codes with similar populations: 13021, NY · 18017, PA · 85233, AZ · 77063, TX · 32258, FL · 00674, PR · 29203, SC · 27330, NC · 27295, NC · 27292, NC

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up ZIP 91601. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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