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County ZIP codes · Ohio · FIPS 39053

Gallia County, OH ZIP Codes

Gallia County, Ohio has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 1 for PO boxes or a single organization. 7 of the residential ones lie mainly in Gallia County and 5 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $46,905 in 45760 (Middleport) to $62,992 in 45678 (Scottown) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Gallia County?

45614 · Bidwell: $60k45620 · Cheshire: $77k45623 · Crown City: $57k45631 · Gallipolis: $57k45656 · Oak Hill: $59k45658 · Patriot: $64k45674 · Rio Grande: $21k45678 · Scottown: $63k45685 · Thurman: $62k45686 · Vinton: $55k45688 · Waterloo: –45760 · Middleport: $47k456314565645658456864561445623456784568545688456204576045614 · Bidwell: $60k45620 · Cheshire: $77k45623 · Crown City: $57k45631 · Gallipolis: $57k45656 · Oak Hill: $59k45658 · Patriot: $64k45674 · Rio Grande: $21k45678 · Scottown: $63k45685 · Thurman: $62k45686 · Vinton: $55k45688 · Waterloo: –45760 · Middleport: $47k456314565645658456864561445623456784568545688456204576045614 · Bidwell: $60k45620 · Cheshire: $77k45623 · Crown City: $57k45631 · Gallipolis: $57k45656 · Oak Hill: $59k45658 · Patriot: $64k45674 · Rio Grande: $21k45678 · Scottown: $63k45685 · Thurman: $62k45686 · Vinton: $55k45688 · Waterloo: –45760 · Middleport: $47k4563145656456584568645614456234567845685456884562045760
The residential ZIP codes of Gallia County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $55,030 and $57,118.

They carry 12 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 12 residential ZIP codes in Gallia County

7 ZIP codes lie mainly in Gallia County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Gallia County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
45631 Gallipolis 13,386 117 $57k $156k 100%
45614 Bidwell 5,450 77 $60k $162k 100%
45686 Vinton 3,372 35 $55k $166k 61%
45623 Crown City 3,203 44 $57k $126k 91%
45658 Patriot 2,539 27 $64k $117k 98%
45620 Cheshire 675 31 $77k $157k 98%
45674 Rio Grande 618 528 $21k $186k 100%

Partly in Gallia County

Residential ZIP codes mainly in another county that reach at least 1% into Gallia County, by their share here
In this county
45685 Thurman 1,050 35 $62k $115k 34%
45678 Scottown 1,034 23 $63k $84k 19%
45656 Oak Hill 7,013 52 $59k $117k 15%
45760 Middleport 3,844 189 $47k $95k 7%
45688 Waterloo 210 6 – $53k 2%

Download the 13 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

9 ZIP codes of Gallia County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Gallia County and in the neighboring counties
ZIPIn GalliaElsewhere
4565615%Jackson County73%; Lawrence County11%
457607%Meigs County93%
4568661%Vinton County32%; Meigs County6%
4562391%Lawrence County9%
4565898%Lawrence County2%
4568534%Jackson County66%
4567819%Lawrence County81%
4562098%Meigs County2%
456882%Lawrence County98%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Gallia County without a residential area (GeoNames postal codes)
ZIPPostal name
45643Kerr

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Gallia County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Gallia County's ZIP codes use 2 prefixes: 456 and 457.

Three-digit prefixes of Gallia County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Gallia County's
PrefixSectional centerHereAll codes
456Columbus, OH (SCF 430)1269
457Columbus, OH (SCF 430)152

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.