Upper Lake is a community in Lake County, California, home to about 1,374 people across 1.7 square miles. Its ZIP code is 95485.
Homes sold for a median of $300 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Upper Lake; also Nice
Each card is that ZIP code’s whole market, including any part outside Upper Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Upper Lake’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Upper Lake well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Sacramento International Airport (SMF)79 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)47 miles away |
| Nearest city of 250,000+ | Sacramento, CA89 miles away |
| Nearest city of 1 million+ | Los Angeles, CA435 miles away |
Straight-line distances from the center of Upper Lake; 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.
Upper Lake had 1,095 residents in the 2020 census, up 11% since 2000.
It’s the 984th largest of 1,563 towns in California by population.
Lake County grew from 6,017 residents in 1900 to 68,163 in 2020.
Lake County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 94°F in summer, and winter lows average 36°F. About 34.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Ukiah Muni Ap, CA weather station (16 miles away).
10,063 jobs at 1,089 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
23 doctors and other health care providers list an office in Upper Lake.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 21 |
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.
Libraries (1 nearby)
Counts are within about 1 mile 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 Upper Lake Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Upper Lake ElementaryUpper Lake | K–5 | 429 | Public | 1.1 mi |
| Upper Lake MiddleUpper Lake | 6–8 | 183 | Public | 1.4 mi |
| Clover Valley High (Continuation)Upper Lake | 9–12 | 14 | Alternative Education | 1.2 mi |
| Upper Lake Community DayUpper Lake | 9–12 | — | Alternative Education | 1.2 mi |
| Upper Lake HighUpper Lake | 9–12 | 307 | Public | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Nice.
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.