Eureka is a city in Humboldt County, California, home to about 26,010 people across 9.5 square miles. Its ZIP codes are 95501 and 95503, and parts of 95524 are in Eureka too.
Homes sold for a median of $286 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Eureka; also Myrtletown
Mostly Eureka; also Cutten and Humboldt Hill
Mostly Arcata; part is in Eureka
Each card is that ZIP code’s whole market, including any part outside Eureka. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Eureka’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Sacramento International Airport (SMF)198 miles away |
|---|---|
| Closer regional airport | California Redwood Coast-Humboldt County Airport (ACV)14 miles away |
| Nearest city of 250,000+ | Sacramento, CA209 miles away |
| Nearest city of 1 million+ | Los Angeles, CA563 miles away |
Straight-line distances from the center of Eureka; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Eureka had 26,512 residents in the 2020 census, up 1% since 2000.
It’s the 293rd largest of 1,563 towns in California by population.
Humboldt County grew from 27,104 residents in 1900 to 136,463 in 2020.
Humboldt County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 64°F in summer, and winter lows average 40°F. About 40.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Eureka Wfo Woodley Island, CA weather station (2 miles away).
34,729 jobs at 3,178 businesses in Humboldt County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,175 doctors and other health care providers list an office in Eureka’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 79 |
|---|---|
| Specialist doctors | 119 |
| Dentists | 60 |
| Nurse practitioners and physician assistants | 141 |
| Mental health providers | 695 |
| Physical and occupational therapists | 53 |
| Optometrists | 10 |
| Chiropractors | 18 |
| Pharmacies | 19 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (15 nearby)
Grocery stores (7 nearby)
Pharmacies (6 nearby)
Libraries (2 nearby)
Museums (3 nearby)
Theaters and performance venues (5 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1850.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Alder Grove Charter School 2 District, Eureka City Schools, Freshwater Elementary and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alder Grove Charter School 2Eureka | K–12 | 481 | Charter | 1.4 mi |
| Alice Birney ElementaryEureka | K–5 | 375 | Public | 1.3 mi |
| Freshwater ElementaryEureka | K–6 | 283 | Public | 3.8 mi |
| Garfield ElementaryEureka | K–6 | 73 | Public | 5.1 mi |
| Glen PaulEureka | K–12 | 128 | Special Education | 1.3 mi |
| Grant ElementaryEureka | K–5 | 278 | Public | 0.9 mi |
| Humboldt County Office of Education Juvenile Hall CourtEureka | K–12 | 9 | Alternative Education | 0.8 mi |
| Lafayette ElementaryEureka | K–5 | 324 | Public | 1.4 mi |
| Northern United - Humboldt CharterEureka | K–12 | 330 | Charter | 1.7 mi |
| Pacific View Charter 2.0Eureka | K–12 | 152 | Charter | 0.8 mi |
| Pine Hill ElementaryEureka | K–3 | 189 | Public | 2.1 mi |
| Ridgewood ElementaryEureka | K–2 | 260 | Public | 3.4 mi |
| South Bay CharterEureka | K–8 | 44 | Charter | 4.3 mi |
| Washington ElementaryEureka | K–5 | 426 | Public | 0.7 mi |
| Cutten ElementaryEureka | 3–6 | 288 | Public | 1.2 mi |
| South Bay ElementaryEureka | 4–6 | 141 | Public | 4.3 mi |
| Catherine L. Zane MiddleEureka | 6–8 | 417 | Public | 0.6 mi |
| Winship MiddleEureka | 6–8 | 413 | Public | 1.5 mi |
| Eureka CommunityEureka | 7–12 | 70 | Alternative Education | 1.4 mi |
| Freshwater Charter MiddleEureka | 7–8 | 51 | Charter | 3.8 mi |
| Academy of the RedwoodsEureka | 9–12 | 154 | Alternative Education | 6.1 mi |
| Eureka Senior HighEureka | 9–12 | 1,162 | Public | 0.5 mi |
| Humboldt County ROPEureka | 10–12 | — | Career and Technical | 1.3 mi |
| Zoe Barnum HighEureka | 10–12 | 67 | Alternative Education | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mistwood Montessori SchoolEureka | Pre-K–K | 16 | Nonsectarian | 1.2 mi |
| St Bernard's AcademyEureka | Pre-K–12 | 291 | Roman Catholic | 0.7 mi |
| Redwood Christian SchoolEureka | TK–8 | 72 | Church of the Nazarene | 0.7 mi |
| Gospel Outreach SchoolEureka | 1–10 | 18 | Christian (no specific denomination) | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Myrtletown, Cutten, Humboldt Hill, Pine Hills, Bayview (Humboldt County), Arcata and Indianola.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.