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ZIP code

95503

Eureka, CA

STANDARD

95503 covers Eureka in Humboldt County, with 24,442 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

24,442

Median household income

$76,708

Median home value

$411,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 95503. Methodology

ZIP code map of 95503

Census ZCTA boundary for ZIP 95503 in Eureka, California
Census ZCTA boundary for ZIP 95503 in Eureka, 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 95503

Type

STANDARD

City

Eureka

Timezone

America/Los_Angeles

Area codes

707

Land area

83.7 sq mi

Water area

0.84 sq mi

Households

10,738

Median gross rent

$1,485

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
707
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 95503. Not ACS. Methodology

People in 95503

Race

  • White18,098
  • Black or African American296
  • American Indian or Alaska Native908
  • Asian1,170
  • Native Hawaiian and Pacific Islander116
  • Other race1,211
  • Two or more races2,689

Hispanic or Latino (any race): 2,902

Age

  • Under 102,602
  • 10 to 192,935
  • 20 to 292,715
  • 30 to 393,310
  • 40 to 492,939
  • 50 to 592,926
  • 60 to 693,439
  • 70 to 792,449
  • 80 and older1,173

Income and housing in 95503

Poverty rate

15.8%

Median earnings

$36,822

Median household income

$76,708

Median home value

$411,500

Median gross rent

$1,485

Education

  • High school graduate91.1%
  • Bachelor's degree29.4%
  • Graduate degree10.9%

Places covering 95503

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

14.4% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 95503

IRS populationACS population
28,05014,025020052023

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
200518,531
200618,344
200719,945
200818,563
200918,549
201018,492
201125,00318,468
201224,71718,110
201324,89918,040
201424,90018,390
201525,43818,450
201625,83018,440
201725,21518,740
201825,50318,660
201925,97218,680
202024,63119,160
202123,87818,850
202224,07218,830
202324,442

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

ZIP codes near 95503

12 nearest ZIP centroids (any distance)

  1. 95501Eureka4.8 miPop 22,972 · Income $55,076
  2. 95537Fields Landing5.9 miPop 512 · Income $76,116
  3. 95564Samoa6.2 miPop 477 · Income $69,250
  4. 95524Bayside6.4 miPop 1,770 · Income $82,697
  5. 95551Loleta7.8 miPop 1,870 · Income $73,472
  6. 95521Arcata8.0 miPop 21,684 · Income $54,324
  7. 95549Kneeland11.6 miPop 1,090 · Income $89,583
  8. 95547Hydesville11.8 miPop 1,144 · Income $85,179
  9. 95540Fortuna11.9 miPop 14,641 · Income $62,346
  10. 95550Korbel14.5 miPop 206 · Income $101,167
  11. 95519Mckinleyville15.8 miPop 18,792 · Income $66,687
  12. 95536Ferndale17.2 miPop 3,360 · Income $66,563

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 95503, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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95503 Eureka, CA

Looking up ZIP codes within 2 miles of 95503 Eureka, CA, measured by centroid distance.

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ZIP code 95503 FAQ

What city is ZIP code 95503 in?
95503 is in Eureka, CA.
What county is 95503 in?
95503 is in Humboldt County.
What is the median household income in 95503?
The median household income in 95503 is $76,708.
Which ZIP codes are near 95503?
Use the radius tool on this page to list ZIP codes within a chosen distance of 95503.