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County ZIP codes · Ohio · FIPS 39045

Fairfield County, OH ZIP Codes

Fairfield County, Ohio has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 14 of the residential ones lie mainly in Fairfield County and 3 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $70,477 in 43068 (Reynoldsburg) to $126,534 in 43147 (Pickerington) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Fairfield County?

43046 · Millersport: $87k43062 · Pataskala: $106k43068 · Reynoldsburg: $71k43076 · Thornville: $91k43102 · Amanda: $91k43105 · Baltimore: $99k43107 · Bremen: $79k43110 · Canal Winchester: $77k43112 · Carroll: $92k43130 · Lancaster: $72k43136 · Lithopolis: $114k43147 · Pickerington: $127k43148 · Pleasantville: $72k43150 · Rushville: $75k43154 · Stoutsville: $91k43155 · Sugar Grove: $90k43157 · Thurston: $62k43130430764306243102431104310543046431124315543107431504314843147431544306843046 · Millersport: $87k43062 · Pataskala: $106k43068 · Reynoldsburg: $71k43076 · Thornville: $91k43102 · Amanda: $91k43105 · Baltimore: $99k43107 · Bremen: $79k43110 · Canal Winchester: $77k43112 · Carroll: $92k43130 · Lancaster: $72k43136 · Lithopolis: $114k43147 · Pickerington: $127k43148 · Pleasantville: $72k43150 · Rushville: $75k43154 · Stoutsville: $91k43155 · Sugar Grove: $90k43157 · Thurston: $62k43130430764306243102431104310543046431124315543107431504314843147431544306843046 · Millersport: $87k43062 · Pataskala: $106k43068 · Reynoldsburg: $71k43076 · Thornville: $91k43102 · Amanda: $91k43105 · Baltimore: $99k43107 · Bremen: $79k43110 · Canal Winchester: $77k43112 · Carroll: $92k43130 · Lancaster: $72k43136 · Lithopolis: $114k43147 · Pickerington: $127k43148 · Pleasantville: $72k43150 · Rushville: $75k43154 · Stoutsville: $91k43155 · Sugar Grove: $90k43157 · Thurston: $62k431304307643062431024311043105430464311243155431074315043148431474315443068
The residential ZIP codes of Fairfield 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 $72,153 and $98,583.

They carry 17 postal town names.

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

All 17 residential ZIP codes in Fairfield County

14 ZIP codes lie mainly in Fairfield County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Fairfield County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
43130 Lancaster 62,933 383 $72k $230k 100%
43147 Pickerington 46,963 1,570 $127k $348k 98%
43110 Canal Winchester 43,544 933 $77k $304k 59%
43105 Baltimore 8,982 159 $99k $341k 99%
43112 Carroll 4,909 138 $92k $338k 100%
43107 Bremen 3,791 127 $79k $242k 87%
43102 Amanda 3,711 65 $91k $305k 96%
43154 Stoutsville 3,367 128 $91k $251k 67%
43046 Millersport 2,946 110 $87k $281k 88%
43155 Sugar Grove 2,361 80 $90k $242k 61%
43150 Rushville 2,300 94 $75k $272k 58%
43136 Lithopolis 2,216 1,856 $114k $335k 100%
43148 Pleasantville 1,898 70 $72k $242k 90%
43157 Thurston 597 1,508 $62k $158k 100%

Partly in Fairfield County

Residential ZIP codes mainly in another county that reach at least 1% into Fairfield County, by their share here
In this county
43076 Thornville 9,456 145 $91k $301k 11%
43068 Reynoldsburg 60,148 3,068 $71k $242k 9%
43062 Pataskala 32,037 431 $106k $327k 2%

Download the 17 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?

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

Share of each ZIP code's land in Fairfield County and in the neighboring counties
ZIPIn FairfieldElsewhere
430689%Franklin County 49%; Licking County 42%
4314798%
4311059%Franklin County 39%; Pickaway County 2%
430622%Licking County 98%
4307611%Perry County 58%; Licking County 32%
4310599%
4310787%Hocking County 8%; Perry County 5%
4310296%Hocking County 3%
4315467%Pickaway County 33%
4304688%Licking County 12%
4315561%Hocking County 39%
4315058%Perry County 42%
4314890%Perry County 10%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Fairfield County's ZIP codes use 2 prefixes: 430 and 431.

Three-digit prefixes of Fairfield 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 Fairfield County's
PrefixSectional centerHereAll codes
430 Columbus, OH (SCF 430) 4 70
431 Columbus, OH (SCF 430) 13 49

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