Plain

County ZIP codes · Indiana · FIPS 18075

Jay County, IN ZIP Codes

Jay County, Indiana has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Jay County and 2 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $48,438 in 47326 (Bryant) to $64,000 in 47371 (Portland) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Jay County?

47326 · Bryant: $48k47336 · Dunkirk: $51k47369 · Pennville: $33k47371 · Portland: $64k47373 · Redkey: $52k47380 · Ridgeville: $57k47381 · Salamonia: $45k47390 · Union City: $50k4737147380473904733647326473694737347326 · Bryant: $48k47336 · Dunkirk: $51k47369 · Pennville: $33k47371 · Portland: $64k47373 · Redkey: $52k47380 · Ridgeville: $57k47381 · Salamonia: $45k47390 · Union City: $50k4737147380473904733647326473694737347326 · Bryant: $48k47336 · Dunkirk: $51k47369 · Pennville: $33k47371 · Portland: $64k47373 · Redkey: $52k47380 · Ridgeville: $57k47381 · Salamonia: $45k47390 · Union City: $50k47371473804739047336473264736947373
The residential ZIP codes of Jay 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 $48,438 and $51,532.

They carry 8 postal town names: Portland, Union City, Dunkirk, Redkey, Ridgeville, Bryant, Pennville, Salamonia.

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

All 8 residential ZIP codes in Jay County

6 ZIP codes lie mainly in Jay County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Jay County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
47371 Portland 12,424 57 $64k $123k 100%
47336 Dunkirk 2,851 61 $51k $98k 54%
47373 Redkey 2,200 71 $52k $99k 94%
47326 Bryant 1,803 27 $48k $158k 96%
47369 Pennville 1,212 34 $33k $143k 95%
47381 Salamonia 218 333 $45k $84k 100%

Partly in Jay County

Residential ZIP codes mainly in another county that reach at least 1% into Jay County, by their share here
In this county
47380 Ridgeville 1,924 31 $57k $100k 11%
47390 Union City 4,972 64 $50k $98k 7%

Download the 8 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?

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

Share of each ZIP code's land in Jay County and in the neighboring counties
ZIPIn JayElsewhere
473907%Randolph County93%
4733654%Delaware County30%; Blackford County17%
4737394%Randolph County6%
4738011%Randolph County89%
4732696%Adams County4%
4736995%Blackford County5%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Jay County starts with 473.

Three-digit prefixes of Jay 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 Jay County's
PrefixSectional centerHereAll codes
473Muncie, IN (SCF 473)863

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