Cadiz is a village in Harrison County, Ohio, home to about 2,988 people across 8.8 square miles. Its ZIP code is 43907.
Homes sold for a median of $127 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Cadiz. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Pittsburgh International Airport (PIT)45 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA57 miles away |
| Nearest city of 1 million+ | Philadelphia, PA312 miles away |
Straight-line distances from the center of Cadiz; 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.
Cadiz had 3,051 residents in the 2020 census, down 8% since 2000.
It’s the 402nd largest of 1,264 towns in Ohio by population.
Harrison County grew from 20,486 residents in 1900 to 14,483 in 2020.
Harrison County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 20°F. About 42.7 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Cadiz, OH weather station (2 miles away).
2,866 jobs at 254 businesses in Harrison County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
34 doctors and other health care providers list an office in Cadiz.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 8 |
| Physical and occupational therapists | 3 |
| Optometrists | 2 |
| Chiropractors | 1 |
| Pharmacies | 6 |
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.
Museums (1 nearby)
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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Harrison Hills City, Belmont-Harrison. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Harrison Central Elementary SchoolCadiz | Pre-K–6 | 773 | Public | 1.9 mi |
| Harrison Central Jr./Sr. High SchoolCadiz | 7–12 | 546 | Public | 1.9 mi |
| Harrison Career CenterCadiz | 9–12 | 93 | Career and Technical | 2.7 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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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.