Gallia County, OH Demographics & ZIP Codes
Gallia County, Ohio demographics and median household income by ZIP code — 7 ZIP codes — population 29,277 — avg. income $58,701 — avg. home value $146,186. Compare income, housing, and ZIP-level data on US5.
Gallia County demographics
Gallia County, Ohio covers 7 ZIP codes, with a combined ZIP-area population of about 29,277.
Median household income in Gallia County
The average median household income across ZIP codes in Gallia County, Ohio is about $58,701 — about 18% below the OH ZIP average ($71,257), and about 22% below the U.S. median ($75,149).
Among ZIPs with income data, 45620 (Cheshire) is near the top at about $77,556, while 45674 (Rio Grande) is near the bottom at about $28,594.
Housing in Gallia County
For housing in Gallia County, Ohio, the average median home value is about $146,186 and the average median rent is about $452.
The most populous ZIP is 45631 (Gallipolis) with about 12,669 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Gallia County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 45631 | Gallipolis | Gallia County | OH | 12,669 | $54,772 | $138,700 |
| 45614 | Bidwell | Gallia County | OH | 5,585 | $63,418 | $121,500 |
| 45686 | Vinton | Gallia County | OH | 3,556 | $53,212 | $157,200 |
| 45623 | Crown City | Gallia County | OH | 3,381 | $63,854 | $139,000 |
| 45658 | — | Gallia County | OH | 2,654 | $69,500 | $116,600 |
| 45620 | Cheshire | Gallia County | OH | 751 | $77,556 | $166,400 |
| 45674 | Rio Grande | Gallia County | OH | 681 | $28,594 | $183,900 |
Frequently asked questions
What are the demographics of Gallia County?
Gallia County, Ohio has a combined ZIP-area population of about 29,277 across 7 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Gallia County?
The average median household income across ZIP codes in Gallia County, Ohio is about $58,701, about 18% below the state ZIP average ($71,257), and about 22% below the U.S. median ($75,149). Average median home value is about $146,186. Among ZIPs with data, 45620 (Cheshire) is near the top ($77,556) and 45674 (Rio Grande) is near the bottom ($28,594).
How many ZIP codes are in Gallia County?
Gallia County, Ohio includes 7 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Gallia County?
This page lists ZIP codes in Gallia County, Ohio with population, median household income, and home value. Select a ZIP for a full demographics profile.