Middletown is a community in Lake County, California, home to about 1,572 people across 1.8 square miles. Its ZIP code is 95461.
Homes sold for a median of $224 per square foot in the three months ending August 2026, a balanced market.
Mostly Middletown; also Hidden Valley Lake
Each card is that ZIP code’s whole market, including any part outside Middletown. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Middletown’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)57 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)21 miles away |
| Nearest city of 250,000+ | Sacramento, CA65 miles away |
| Nearest city of 1 million+ | Los Angeles, CA405 miles away |
Straight-line distances from the center of Middletown; 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.
Middletown had 1,114 residents in the 2020 census, up 9% since 2000.
It’s the 953rd 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 91°F in summer, and winter lows average 33°F. About 30 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Clearlake 4 Se, CA weather station (11 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).
12 doctors and other health care providers list an office in Middletown.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 5 |
| Chiropractors | 2 |
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
Museums
Theaters and performance venues
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 California Online Public Schools North Bay District, Lake County International Charter District, Middletown Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| California Online Public Schools North BayMiddletown | K–12 | 144 | Charter | 2.6 mi |
| Lake County International CharterMiddletown | K–8 | 88 | Charter | 2.8 mi |
| Minnie Cannon ElementaryMiddletown | K–6 | 164 | Public | 2.5 mi |
| Middletown MiddleMiddletown | 6–8 | 320 | Public | 2.7 mi |
| Middletown HighMiddletown | 9–12 | 421 | Public | 2.6 mi |
| Loconoma Valley HighMiddletown | 10–12 | 10 | Alternative Education | 2.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Middletown Adventist SchoolMiddletown | 1–7 | 46 | Seventh-day Adventist | 3.2 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 Hidden Valley Lake.
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.