95503 ZIP Code — Eureka, CA
Humboldt County, California
ZIP code 95503 is located in Eureka, California, within Humboldt County. It covers approximately 83.74 square miles and serves a population of 24,072 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 707.
About ZIP code 95503
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $378,600. Owner-occupancy sits near the national average at 72%.
Median household income is $68,307. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
24,072
population
83.74
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
95503 ZIP code map
Cities in ZIP code 95503
Below are the cities the US Postal Service accepts for ZIP code 95503. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Eureka | Preferred |
Nearby ZIP codes
95501 Eureka (6.1 mi)
95524 Bayside (7.4 mi)
95564 Samoa (7.4 mi)
95551 Loleta (8.3 mi)
95521 Arcata (8.8 mi)
95540 Fortuna (9.5 mi)
95547 Hydesville (11.8 mi)
95550 Korbel (15.8 mi)
95562 Rio Dell (16.8 mi)
95536 Ferndale (18 mi)
95528 Carlotta (18.8 mi)
95525 Blue Lake (19 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 24,072 |
| Population density | 287 / sq mi |
| State FIPS | 06 |
| County FIPS | 023 |
| Geography | |
|---|---|
| Land area | 83.74 sq mi |
| Water area | 0.84 sq mi |
| Latitude | 40.7214 |
| Longitude | -124.0994 |
| Timezone | Pacific (PT) |
| Area code | 707 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.6% | 50.6% | 32.6% |
| $50k – $100k | 31.3% | 27.7% | 27.7% |
| $100k – $200k | 19.8% | 17.1% | 26.4% |
| Over $200k | 5.3% | 4.5% | 13.3% |
Demographics & statistics
24,072
Population
287
People per sq mi
45.7
Median age
$68,307
Median household income
$35,991
Per capita income
$378,600
Median home value
$1,312
Median monthly rent
71.5%
Home ownership
17.0%
Poverty rate
5.6%
Unemployment
7,777
Housing units
30.9%
Bachelor's or higher
Age distribution
Male
Female
582
Under 5
627
532
5–9
573
578
10–14
623
632
15–19
681
645
20–24
696
1,232
25–34
1,330
1,531
35–44
1,652
1,344
45–54
1,450
723
55–59
780
920
60–64
993
1,721
65–74
1,856
794
75–84
856
347
85+
374
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,418 | 18.4% |
| 18 and over | 19,654 | 81.6% |
| 65 and over | 5,948 | 24.7% |
| Median age | 45.7 years | |
Race & ethnicity
White
70.6%
Two or more races
8.8%
Hispanic or Latino
8.6%
Other race
5.4%
American Indian / Alaska Native
3%
Asian
2.7%
Black or African American
0.8%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 18,586 | 70.6% |
| Two or more races | 2,309 | 8.8% |
| Hispanic or Latino | 2,258 | 8.6% |
| Other race | 1,412 | 5.4% |
| American Indian / Alaska Native | 793 | 3% |
| Asian | 722 | 2.7% |
| Black or African American | 218 | 0.8% |
| Native Hawaiian / Pacific Islander | 32 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 43.6% | 50.6% | 32.6% |
| $50k – $100k | 31.3% | 27.7% | 27.7% |
| $100k – $200k | 19.8% | 17.1% | 26.4% |
| Over $200k | 5.3% | 4.5% | 13.3% |
Under $10k
5.1%
$10k–$15k
5.6%
$15k–$25k
8.3%
$25k–$35k
10.6%
$35k–$50k
11.6%
$50k–$75k
12.0%
$75k–$100k
14.6%
$100k–$150k
17.8%
$150k–$200k
8.2%
$200k+
6.3%
| Range | % of households |
|---|---|
| Under $10k | 5.1% |
| $10k–$15k | 5.6% |
| $15k–$25k | 8.3% |
| $25k–$35k | 10.6% |
| $35k–$50k | 11.6% |
| $50k–$75k | 12.0% |
| $75k–$100k | 14.6% |
| $100k–$150k | 17.8% |
| $150k–$200k | 8.2% |
| $200k+ | 6.3% |
| Median income | $68,307 |
Housing
Home values
Under $50k
6.6%
$50k–$100k
1.7%
$100k–$150k
0.8%
$150k–$200k
2.6%
$200k–$300k
14.9%
$300k–$500k
53.2%
$500k–$1M
17.8%
$1M+
2.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $378,600 |
| Median rent / month | $1,312 |
| Owner occupied | 71.5% |
| Renter occupied | 28.5% |
| Vacant | 6.7% |
| Single-family detached | 77.9% |
| Large apartment buildings | 2.1% |
| Mobile homes | 7.1% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.37 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 1.9% |
| 2000–2009 | 4.5% |
| 1990–1999 | 12.7% |
| 1980–1989 | 14.0% |
| 1970–1979 | 17.0% |
| 1960–1969 | 12.9% |
| 1950–1959 | 18.1% |
| 1940–1949 | 7.4% |
| 1939 or earlier | 11.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.7% |
| 1 bedroom | 9.7% |
| 2 bedrooms | 24.8% |
| 3 bedrooms | 49.0% |
| 4 bedrooms | 10.5% |
| 5+ bedrooms | 2.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 9.0% |
| 1 vehicle | 31.7% |
| 2 vehicles | 37.4% |
| 3 or more | 21.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.7% |
| Electricity | 14.3% |
| Propane / LP gas | 4.3% |
| Fuel oil | 0.4% |
| Wood | 12.3% |
| Solar | 0.8% |
| No fuel used | 1.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,335 | 43.9% |
| Cohabiting couple | 888 | 9.0% |
| Male householder, no spouse | 2,085 | 21.1% |
| Female householder, no spouse | 2,565 | 26.0% |
| Households with children under 18 | 2,405 | 24.4% |
| Households with seniors (65+) | 3,903 | 39.5% |
| Average household size | 2.39 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 37.4% | 29.0% |
| Married | 47.1% | 45.0% |
| Separated | 1.3% | 2.0% |
| Widowed | 2.2% | 8.9% |
| Divorced | 12.0% | 15.1% |
Education
Less than 9th grade
3.0%
Some HS, no diploma
6.3%
HS graduate
23.9%
Some college, no degree
24.6%
Associate's degree
11.3%
Bachelor's degree
19.4%
Graduate / professional
11.5%
| Metric | % |
|---|---|
| HS diploma or higher | 90.7% |
| Bachelor's or higher | 30.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 74 | 1.7% |
| Kindergarten | 200 | 4.5% |
| Elementary school | 1,955 | 44.0% |
| High school | 1,058 | 23.8% |
| College / grad school | 1,161 | 26.1% |
Employment
Industry of employment
Education & healthcare
27.1%
Retail trade
13.0%
Professional & management
9.3%
Arts, food & hospitality
8.4%
Other services
7.7%
Public administration
7.4%
Construction
6.8%
Agriculture & mining
5.5%
Manufacturing
4.8%
Finance & real estate
4.6%
Transportation & utilities
3.9%
Wholesale trade
1.1%
Information
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 39.8% |
| Service | 20.0% |
| Sales & office | 19.8% |
| Natural resources & construction | 10.7% |
| Production & transportation | 9.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 66.2% |
| Government | 20.6% |
| Self-employed | 12.8% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 72.6% |
| Carpool | 13.4% |
| Public transit | 0.6% |
| Walk | 2.8% |
| Work from home | 8.6% |
| Other means | 2.1% |
| Avg commute (minutes) | 17.6 |
Poverty
All people
17.0%
Under 18 years
22.5%
18 and over
15.8%
Married-couple families
6.4%
Female-led households
8.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 41.1% |
| Retirement income | 32.0% |
| Supplemental Security | 7.7% |
| Cash public assistance | 2.4% |
| Food stamps / SNAP | 13.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.1% |
| High blood pressure | 31.9% |
| High cholesterol | 31.3% |
| Diabetes | 10.5% |
| Heart disease | 7.3% |
| Stroke | 3.5% |
| Asthma | 10.9% |
| Arthritis | 26.4% |
| Kidney disease | 3.3% |
| Pulmonary disease | 8.4% |
| Cancer | 7.3% |
| Behavior / access | % |
|---|---|
| Smoking | 15.1% |
| Binge drinking | 18.4% |
| No physical activity | 20.6% |
| Less than 7 hrs sleep | 33.0% |
| Depression | 19.8% |
| Fair or poor health | 16.2% |
| Poor mental health | 15.7% |
| Poor physical health | 12.0% |
| No health insurance | 9.7% |
| Visited doctor (checkup) | 68.3% |
| Visited dentist | 62.5% |
| Cholesterol screening | 90.6% |
| Teeth loss | 12.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,400 | 7.1% |
| Disability | % |
|---|---|
| Any disability | 20.5% |
| Under 18 | 3.8% |
| 18–64 years | 18.6% |
| 65 and over | 37.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 61.9% |
| Public insurance | 51.7% |
| No insurance | 5.8% |
| Uninsured under 19 | 5.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 22,863 | 95.0% |
| Spanish | 767 | 3.4% |
| Other Indo-European | 475 | 2.1% |
| Asian & Pacific Islander | 60 | 0.3% |
| Other languages | 232 | 1.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 22,285 | 92.6% |
| Born in same state | 22,096 | 91.8% |
| Born in different state | 16,182 | 67.2% |
| Foreign born | 189 | 0.8% |
| Naturalized citizen | 1,787 | 7.4% |
| Not a US citizen | 851 | 47.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,696 | 11.2% |
| Italian | 2,261 | 9.4% |
| Arab | 707 | 2.9% |
| Polish | 682 | 2.8% |
| Dutch | 610 | 2.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 418 | 1.7% |
| German | 68 | 0.3% |
| Norwegian | 10 | 0% |
| Irish | 5 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.0% |
| Internet access | 94.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95503
What city is ZIP code 95503 in?
ZIP code 95503 is primarily assigned to Eureka, California.
What county is ZIP code 95503 in?
ZIP code 95503 falls within Humboldt County, California.
What is the poverty rate in ZIP code 95503?
17% of residents in ZIP code 95503 live below the poverty line, above the national average.
Does ZIP code 95503 have a large retiree population?
41% of households in ZIP code 95503 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 95503?
The median home value in ZIP code 95503 is $378,600.
What is the population of ZIP code 95503?
ZIP code 95503 has an estimated population of 24,072 residents, with a density of 287 people per square mile.
What timezone is ZIP code 95503 in?
ZIP code 95503 observes the PST timezone.