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ZIP code

91384

Castaic, CA

STANDARD

91384 covers Castaic in Los Angeles County, with 27,278 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

27,278

Median household income

$129,603

Median home value

$693,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91384. Methodology

ZIP code map of 91384

Census ZCTA boundary for ZIP 91384 in Castaic, California
Census ZCTA boundary for ZIP 91384 in Castaic, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 91384

Type

STANDARD

City

Castaic

County

Los Angeles County

Timezone

America/Los_Angeles

Area codes

661, 805, 820

Land area

103.6 sq mi

Water area

0.79 sq mi

Households

7,254

Median gross rent

$1,730

Acceptable cities: Santa Clarita, Val Verde

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
661, 805, 820
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 91384. Not ACS. Methodology

People in 91384

Race

  • White13,086
  • Black or African American2,022
  • American Indian or Alaska Native301
  • Asian2,298
  • Native Hawaiian and Pacific Islander63
  • Other race6,866
  • Two or more races3,949

Hispanic or Latino (any race): 11,753

Age

  • Under 102,613
  • 10 to 193,670
  • 20 to 295,002
  • 30 to 394,673
  • 40 to 494,085
  • 50 to 594,114
  • 60 to 692,839
  • 70 to 791,074
  • 80 and older515

Income and housing in 91384

Poverty rate

4.5%

Median earnings

$57,827

Median household income

$129,603

Median home value

$693,600

Median gross rent

$1,730

Education

  • High school graduate83.9%
  • Bachelor's degree31.7%
  • Graduate degree8.8%

Places covering 91384

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

21.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 91384

IRS populationACS population
32,17116,086020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200522,157
200621,642
200722,544
200822,083
200922,368
201022,338
201129,61722,368
201229,15522,340
201329,18922,280
201428,94922,280
201529,78822,320
201629,67622,100
201729,28322,260
201828,84222,270
201929,21222,050
202028,83322,100
202128,69321,760
202227,65221,670
202327,278

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 91384

12 nearest ZIP centroids (any distance)

  1. 91354Valencia7.8 miPop 33,059 · Income $148,818
  2. 91355Valencia9.9 miPop 28,777 · Income $109,348
  3. 91381Stevenson Ranch10.7 miPop 21,857 · Income $146,706
  4. 91390Santa Clarita10.7 miPop 18,722 · Income $143,963
  5. 91350Santa Clarita11.3 miPop 43,621 · Income $135,612
  6. 91382Santa Clarita11.8 miPop — · Income —
  7. 91351Canyon Country13.4 miPop 33,553 · Income $112,888
  8. 93015Fillmore13.8 miPop 18,917 · Income $90,258
  9. 93532Lake Hughes14.0 miPop 2,762 · Income $99,432
  10. 93063Simi Valley14.7 miPop 56,110 · Income $124,030
  11. 91321Newhall14.9 miPop 32,668 · Income $93,281
  12. 91311Chatsworth16.2 miPop 40,557 · Income $117,574

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 91384, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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91384 Castaic, CA

Looking up ZIP codes within 2 miles of 91384 Castaic, CA, measured by centroid distance.

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ZIP code 91384 FAQ

What city is ZIP code 91384 in?
91384 is in Castaic, CA.
What county is 91384 in?
91384 is in Los Angeles County.
What is the median household income in 91384?
The median household income in 91384 is $129,603.
Which ZIP codes are near 91384?
Use the radius tool on this page to list ZIP codes within a chosen distance of 91384.