Allendale is a community in Solano County, California, home to about 1,734 people across 6.1 square miles. It has no ZIP code of its own: it’s part of 95688.
Homes sold for a median of $379 per square foot in the three months ending August 2026, a seller’s market.
Mostly Vacaville; part is in Allendale
Each card is that ZIP code’s whole market, including any part outside Allendale. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Allendale’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Allendale well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Sacramento International Airport (SMF)30 miles away |
|---|---|
| Nearest city of 250,000+ | Sacramento, CA31 miles away |
| Nearest city of 1 million+ | Los Angeles, CA361 miles away |
Straight-line distances from the center of Allendale; 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.
Allendale had 1,651 residents in the 2020 census, up 10% since 2010.
It’s the 927th largest of 1,563 towns in California by population.
Solano County grew from 24,143 residents in 1900 to 453,491 in 2020.
Solano County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 97°F in summer, and winter lows average 40°F. About 25.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Vacaville, CA weather station (2 miles away).
122,010 jobs at 7,755 businesses in Solano County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
646 doctors and other health care providers list an office in Allendale.
Nearest hospitals
Providers with an office here
| Primary care doctors | 91 |
|---|---|
| Specialist doctors | 93 |
| Dentists | 38 |
| Nurse practitioners and physician assistants | 57 |
| Mental health providers | 276 |
| Physical and occupational therapists | 69 |
| Optometrists | 4 |
| Chiropractors | 18 |
| Pharmacies | 7 |
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 (8 nearby)
Grocery stores (3 nearby)
Pharmacies
Libraries
Museums (1 nearby)
Theaters and performance venues
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.
Public schools here are run by Vacaville Unified, Kairos Public District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alamo ElementaryVacaville | K–6 | 714 | Public | 2.4 mi |
| Browns Valley ElementaryVacaville | K–6 | 806 | Public | 0.4 mi |
| Edwin Markham ElementaryVacaville | K–6 | 882 | Public | 1.1 mi |
| Hemlock ElementaryVacaville | K–6 | 413 | Public | 1.5 mi |
| Kairos PublicVacaville | K–10 | 786 | Charter | 2.2 mi |
| Orchard ElementaryVacaville | K–6 | 437 | Public | 1.0 mi |
| Shereene Wilkerson Academy of ExcellenceVacaville | 7–12 | 6 | Alternative Education | 1.4 mi |
| Willis Jepson MiddleVacaville | 7–8 | 954 | Public | 1.8 mi |
| Buckingham Collegiate Charter AcademyVacaville | 9–12 | 474 | Charter | 1.8 mi |
| Vacaville HighVacaville | 9–12 | 2,044 | Public | 1.8 mi |
| Shelley Dally Early Learning VillageVacaville | — | — | Public | 2.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| The Academy of 21st Century LearningVacaville | TK–8 | 80 | Nonsectarian | 1.8 mi |
| Vacaville Adventist SchoolWoodland | K–7 | 22 | Seventh-day Adventist | 5.0 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 Vacaville and Hartley.
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.