Hercules is a city in Contra Costa County, California, home to about 26,302 people across 6.4 square miles. Its ZIP code is 94547, and parts of 94572 are in Hercules too.
Homes sold for a median of $430 per square foot in the three months ending August 2026, a seller’s market.
All in Hercules
Mostly Rodeo; part is in Hercules
Each card is that ZIP code’s whole market, including any part outside Hercules. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hercules’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Oakland San Francisco Bay Airport (OAK)20 miles away |
|---|---|
| Closer regional airport | Buchanan Field (CCR)11 miles away |
| Nearest city of 250,000+ | Oakland, CA17 miles away |
| Nearest city of 1 million+ | Los Angeles, CA350 miles away |
Straight-line distances from the center of Hercules; 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.
Hercules had 26,016 residents in the 2020 census, up 33% since 2000.
It’s the 290th largest of 1,563 towns in California by population.
Contra Costa County grew from 18,046 residents in 1900 to 1,165,927 in 2020.
Contra Costa County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 42°F. About 21.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Vallejo, CA weather station (7 miles away).
343,690 jobs at 25,932 businesses in Contra Costa County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
92 doctors and other health care providers list an office in Hercules.
Nearest hospitals
Providers with an office here
| Primary care doctors | 7 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 18 |
| Nurse practitioners and physician assistants | 11 |
| Mental health providers | 28 |
| Physical and occupational therapists | 9 |
| Optometrists | 8 |
| Chiropractors | 5 |
| Pharmacies | 3 |
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 (17 nearby)
Grocery stores (5 nearby)
Pharmacies (1 nearby)
Libraries (3 nearby)
Museums
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.
Established in 1900.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by West Contra Costa Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hanna Ranch ElementaryHercules | K–5 | 421 | Public | 1.9 mi |
| Lupine Hills ElementaryHercules | K–5 | 387 | Public | 0.6 mi |
| Ohlone ElementaryHercules | K–5 | 482 | Public | 0.5 mi |
| Hercules MiddleHercules | 6–8 | 596 | Public | 1.0 mi |
| Hercules HighHercules | 9–12 | 767 | Public | 1.0 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 Rodeo.
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.