Humboldt Hill is a community in Humboldt County, California, home to about 3,551 people across 4.2 square miles. It has no ZIP code of its own: it’s part of 95503 and 95551.
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; part is in Humboldt Hill
Mostly Loleta; part is in Humboldt Hill
Each card is that ZIP code’s whole market, including any part outside Humboldt Hill. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Humboldt Hill’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Humboldt Hill well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Sacramento International Airport (SMF)197 miles away |
|---|---|
| Closer regional airport | California Redwood Coast-Humboldt County Airport (ACV)16 miles away |
| Nearest city of 250,000+ | Sacramento, CA208 miles away |
| Nearest city of 1 million+ | Los Angeles, CA562 miles away |
Straight-line distances from the center of Humboldt Hill; 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.
Humboldt Hill had 3,498 residents in the 2020 census, up 8% since 2000.
It’s the 739th 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 (4 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).
211 doctors and other health care providers list an office in Humboldt Hill’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 30 |
| Dentists | 22 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 100 |
| Physical and occupational therapists | 14 |
| Optometrists | 2 |
| Chiropractors | 5 |
| Pharmacies | 4 |
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 (2 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1.5 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.
Public schools here are run by Eureka City Schools, Freshwater Elementary, Garfield Elementary and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alice Birney ElementaryEureka | K–5 | 375 | Public | 1.7 mi |
| Freshwater ElementaryEureka | K–6 | 283 | Public | 4.6 mi |
| Garfield ElementaryEureka | K–6 | 73 | Public | 5.2 mi |
| Glen PaulEureka | K–12 | 128 | Special Education | 1.4 mi |
| Grant ElementaryEureka | K–5 | 278 | Public | 1.0 mi |
| Loleta ElementaryLoleta | K–8 | 82 | Public | 8.3 mi |
| Northern United - Humboldt CharterEureka | K–12 | 330 | Charter | 0.7 mi |
| Pine Hill ElementaryEureka | K–3 | 189 | Public | 1.1 mi |
| Ridgewood ElementaryEureka | K–2 | 260 | Public | 1.8 mi |
| South Bay CharterEureka | K–8 | 44 | Charter | 2.9 mi |
| Washington ElementaryEureka | K–5 | 426 | Public | 1.8 mi |
| Cutten ElementaryEureka | 3–6 | 288 | Public | 1.1 mi |
| South Bay ElementaryEureka | 4–6 | 141 | Public | 2.9 mi |
| Winship MiddleEureka | 6–8 | 413 | Public | 1.3 mi |
| Freshwater Charter MiddleEureka | 7–8 | 51 | Charter | 4.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Gospel Outreach SchoolEureka | 1–10 | 18 | Christian (no specific denomination) | 2.3 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.
Buying or selling around Humboldt Hill? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Eureka, Cutten, Pine Hills, Bayview (Humboldt County), Myrtletown, Loleta 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.