Miller is a community in Gallia County, Ohio, home to about 467 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 45623.
Homes sold for a median of $143 per square foot in the three months ending August 2026, a buyer’s market.
Part is in Miller, part in Crown City
Each card is that ZIP code’s whole market, including any part outside Miller. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Miller’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)101 miles away |
|---|---|
| Closer regional airport | Tri-State Airport / Milton J. Ferguson Field (HTS)23 miles away |
| Nearest city of 250,000+ | Columbus, OH102 miles away |
| Nearest city of 1 million+ | Chicago, IL362 miles away |
Straight-line distances from the center of Miller; 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.
It’s the 897th largest of 1,264 towns in Ohio by population.
Gallia County grew from 27,918 residents in 1900 to 29,220 in 2020.
Gallia County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 23°F. About 42.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hogsett Rc Byrd Dam, WV weather station (7 miles away).
9,393 jobs at 572 businesses in Gallia County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Miller.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|
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.
Public schools here are run by Gallia County Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hannan Trace Elementary SchoolCrown City | Pre-K–5 | 244 | Public | 3.2 mi |
| South Gallia Middle SchoolCrown City | 6–8 | 120 | Public | 3.4 mi |
| South Gallia High SchoolCrown City | 9–12 | 137 | Public | 3.4 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 Crown City.
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.