Eureka ZIP Codes — Humboldt County, CA

There are 3 unique ZIP codes in Eureka, California. Area code: 707.

ZIP codes

91.08

sq mi land

5.24

sq mi water

707

area code

Eureka, CA ZIP code map

About Eureka, CA

Eureka, California is a charming city located on the picturesque north coast of California. Known for its beautifully preserved Victorian architecture and vibrant cultural scene, Eureka serves as the county seat of Humboldt County. The city is situated near the Pacific Ocean and is renowned for its stunning coastal views and rich history.

Location & geography

Eureka, CA is located in Humboldt County and is surrounded by beautiful natural landscapes, including redwood forests and coastal areas. Nearby cities include Arcata, located approximately 6 miles to the north, Fortuna, about 13 miles to the south, and Scotia, roughly 23 miles away. The city covers a total land area of 91.08 square miles, with an additional 5.24 square miles of water, contributing to its diverse geography.

Community & economy

Eureka has a vibrant community characterized by its artistic spirit and historical roots. The local economy features a mix of industries, including tourism, lumber, and small businesses, reflecting the city's rich natural resources. Daily life in Eureka is often bustling, with numerous festivals, farmers' markets, and cultural events that foster a tight-knit community atmosphere.

Transportation

Eureka is accessible via U.S. Route 101, which runs north-south along the coast and connects the city to other major destinations in California. The nearest airport is the Arcata-Eureka Airport, located about 17 miles to the north, providing regional flights and services. Additionally, public transportation options include local bus services that facilitate travel within the area.

History

Founded in the mid-19th century during the California Gold Rush, Eureka quickly developed as a hub for lumber and shipping industries. Over the years, it has been known for its unique Victorian architecture, with many historic buildings still standing today, reflecting its prosperous past. One notable event in its history was the Great Eureka Fire of 1886, which led to significant rebuilding and revitalization efforts.

Did you know?

One surprising fact about Eureka is that it is home to the largest old-growth coastal redwood trees in the world, attracting nature enthusiasts and tourists alike. Additionally, the city hosts the Outstanding in the Field event, where gourmet chefs serve meals in scenic outdoor settings, showcasing local produce and maritime bounty.

ZIP codes for Eureka, CA (3)

ZIP code	City	County	Map
95501	Eureka	Humboldt	View map
95502	Eureka	Humboldt	View map
95503	Eureka	Humboldt	View map

Demographics & statistics

47,778

Population

42.9

Median age

$60,326

Median household income

$35,723

Per capita income

$369,850

Median home value

$1,206

Median monthly rent

57.8%

Home ownership

18.7%

Poverty rate

8.2%

Unemployment

13,079

Housing units

31.0%

Bachelor's or higher

Age distribution

Male Female

1,143

Under 5

1,163

1,193

5–9

1,215

1,268

10–14

1,291

1,292

15–19

1,316

1,334

20–24

1,358

3,006

25–34

3,062

3,512

35–44

3,576

3,053

45–54

3,109

1,369

55–59

1,395

1,667

60–64

1,697

2,973

65–74

3,028

1,356

75–84

1,381

506

85+

515

← Male

Female →

Age summary

Group	Count	%
Under 18	8,937	18.8%
18 and over	38,841	81.3%
65 and over	9,759	20.4%
Median age	42.9 years

Race & ethnicity

White 67.9%

Two or more races 9.2%

Hispanic or Latino 8.8%

Other race 5.9%

Asian 4%

American Indian / Alaska Native 2.2%

Black or African American 1.6%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	35,578	67.9%
Two or more races	4,823	9.2%
Hispanic or Latino	4,620	8.8%
Other race	3,109	5.9%
Asian	2,111	4%
American Indian / Alaska Native	1,167	2.2%
Black or African American	820	1.6%
Native Hawaiian / Pacific Islander	170	0.3%

Household income

Under $10k 6.3%

$10k–$15k 5.5%

$15k–$25k 9.1%

$25k–$35k 11.4%

$35k–$50k 12.5%

$50k–$75k 14.4%

$75k–$100k 12.0%

$100k–$150k 15.9%

$150k–$200k 6.9%

$200k+ 6.3%

Range	% of households
Under $10k	6.3%
$10k–$15k	5.5%
$15k–$25k	9.1%
$25k–$35k	11.4%
$35k–$50k	12.5%
$50k–$75k	14.4%
$75k–$100k	12.0%
$100k–$150k	15.9%
$150k–$200k	6.9%
$200k+	6.3%
Median income	$60,326

Housing

Home values

Under $50k 5.2%

$50k–$100k 1.1%

$100k–$150k 1.3%

$150k–$200k 2.6%

$200k–$300k 17.6%

$300k–$500k 53.4%

$500k–$1M 15.2%

$1M+ 3.7%

Housing overview

Metric	Value
Median home value	$369,850
Median rent / month	$1,206
Owner occupied	57.8%
Renter occupied	42.3%
Vacant	8.3%
Single-family detached	69.0%
Large apartment buildings	3.3%
Mobile homes	4.1%
Median rooms	5.1
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.1%
2010–2019	1.7%
2000–2009	3.9%
1990–1999	10.8%
1980–1989	12.0%
1970–1979	12.6%
1960–1969	12.4%
1950–1959	16.4%
1940–1949	7.9%
1939 or earlier	22.5%

Bedrooms

Size	% of units
No bedroom (studio)	3.3%
1 bedroom	13.9%
2 bedrooms	31.0%
3 bedrooms	39.3%
4 bedrooms	9.5%
5+ bedrooms	3.2%

Vehicles per household

Vehicles	% of households
No vehicle	9.8%
1 vehicle	34.7%
2 vehicles	36.1%
3 or more	19.4%

Heating fuel

Fuel type	%
Utility gas	67.9%
Electricity	17.7%
Propane / LP gas	2.9%
Fuel oil	0.2%
Wood	8.6%
Solar	0.5%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	7,504	38.4%
Cohabiting couple	2,261	11.6%
Male householder, no spouse	4,335	22.2%
Female householder, no spouse	5,431	27.9%
Households with children under 18	4,662	23.9%
Households with seniors (65+)	6,772	34.6%
Average household size	2.35

Marital status

Status	Male	Female
Never married	40.4%	33.8%
Married	41.0%	39.8%
Separated	1.4%	2.2%
Widowed	2.1%	8.5%
Divorced	15.2%	15.8%

Education

Less than 9th grade 3.7%

Some HS, no diploma 6.8%

HS graduate 23.5%

Some college, no degree 25.4%

Associate's degree 9.9%

Bachelor's degree 20.7%

Graduate / professional 10.2%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	31.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	339	3.6%
Kindergarten	460	5.0%
Elementary school	3,952	42.9%
High school	2,122	23.0%
College / grad school	2,368	25.7%

Employment

Industry of employment

Education & healthcare 26.4%

Retail trade 13.7%

Arts, food & hospitality 10.1%

Professional & management 8.8%

Public administration 7.5%

Other services 7.1%

Construction 6.9%

Agriculture & mining 5.5%

Manufacturing 4.5%

Transportation & utilities 3.7%

Finance & real estate 3.6%

Wholesale trade 1.6%

Information 1.0%

Occupation

Category	%
Management, business & arts	37.7%
Service	21.1%
Sales & office	19.9%
Natural resources & construction	10.0%
Production & transportation	11.5%

Employment type

Type	%
Private sector	68.0%
Government	20.0%
Self-employed	11.6%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	71.1%
Carpool	12.4%
Public transit	0.6%
Walk	4.3%
Other means	2.1%
Avg commute (minutes)	16.3

Poverty

All people 18.7%

Under 18 years 21.5%

18 and over 18.1%

Married-couple families 6.1%

Female-led households 22.0%

Income support

Source	% of households
Social Security	36.1%
Retirement income	27.3%
Supplemental Security	7.5%
Cash public assistance	3.9%
Food stamps / SNAP	16.0%

Health indicators

Condition	%
High blood pressure	30.0%
High cholesterol	29.8%
Heart disease	6.7%
Stroke	3.3%
Asthma	11.0%
Arthritis	24.4%
Kidney disease	3.1%
Pulmonary disease	7.9%
Cancer	6.6%

Behavior / access	%
Binge drinking	19.6%
No physical activity	20.4%
Less than 7 hrs sleep	33.6%
Fair or poor health	15.8%
Poor mental health	16.3%
Poor physical health	11.7%
No health insurance	10.3%
Visited doctor (checkup)	66.9%
Visited dentist	61.5%
Cholesterol screening	89.4%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,042	7.9%

Disability	%
Any disability	19.0%
Under 18	3.7%
18–64 years	17.6%
65 and over	37.4%

Health insurance coverage

Type	%
Private insurance	58.6%
Public insurance	51.1%
Uninsured under 19	5.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	45,472	95.2%
Spanish	2,723	6.1%
Other Indo-European	1,731	3.9%
Asian & Pacific Islander	93	0.2%
Other languages	885	2.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	44,033	92.2%
Born in same state	43,637	91.4%
Born in different state	32,188	67.4%
Foreign born	396	0.9%
Naturalized citizen	3,745	7.9%
Not a US citizen	1,815	48.4%

Ancestry

Ancestry	Count	%
French	6,106	12.8%
Italian	4,722	9.9%
Arab	1,319	2.8%
Polish	1,106	2.3%
Dutch	828	1.7%

Ancestry	Count	%
English	565	1.2%
German	304	0.6%
Irish	133	0.3%
Norwegian	10	0%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	94.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Eureka, CA have?

Eureka, CA has two ZIP codes: 95501 and 95503. Each ZIP code serves a distinct delivery area within the city and surrounding region.