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County ZIP codes · Indiana · FIPS 18083

Knox County, IN ZIP Codes

Knox County, Indiana has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones extend into a neighboring county.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Knox County?

47512 · Bicknell: $58k47516 · Bruceville: $76k47524 · Decker: –47528 · Edwardsport: $58k47535 · Freelandville: $70k47557 · Monroe City: $84k47561 · Oaktown: $46k47573 · Ragsdale: –47578 · Sandborn: $57k47591 · Vincennes: $62k47596 · Westphalia: $94k47597 · Wheatland: $57k475914752447561475784755747512475974751647528475964753547512 · Bicknell: $58k47516 · Bruceville: $76k47524 · Decker: –47528 · Edwardsport: $58k47535 · Freelandville: $70k47557 · Monroe City: $84k47561 · Oaktown: $46k47573 · Ragsdale: –47578 · Sandborn: $57k47591 · Vincennes: $62k47596 · Westphalia: $94k47597 · Wheatland: $57k47591475244756147578475574751247597475164752847512 · Bicknell: $58k47516 · Bruceville: $76k47524 · Decker: –47528 · Edwardsport: $58k47535 · Freelandville: $70k47557 · Monroe City: $84k47561 · Oaktown: $46k47573 · Ragsdale: –47578 · Sandborn: $57k47591 · Vincennes: $62k47596 · Westphalia: $94k47597 · Wheatland: $57k475914752447561475784755747512475974751647528
The residential ZIP codes of Knox 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).

All 12 residential ZIP codes in Knox County

Residential ZIP codes mainly in Knox County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
47591 Vincennes 25,168 151 $62k $157k 100%
47512 Bicknell 4,243 89 $58k $72k 100%
47561 Oaktown 1,442 19 $46k $78k 94%
47557 Monroe City 1,345 28 $84k $152k 100%
47516 Bruceville 988 34 $76k $182k 100%
47535 Freelandville 807 168 $70k $92k 100%
47597 Wheatland 745 15 $57k $129k 100%
47578 Sandborn 566 13 $57k $112k 67%
47528 Edwardsport 457 23 $58k $78k 100%
47524 Decker 302 7 – – 100%
47596 Westphalia 94 20 $94k $93k 100%
47573 Ragsdale 20 606 – – 100%

Download the 12 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?

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

Share of each ZIP code's land in Knox County and in the neighboring counties
ZIPIn KnoxElsewhere
4756194%Sullivan County 6%
4757867%Greene County 33%

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

Which first three digits do Knox 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 Knox County starts with 475.

Three-digit prefixes of Knox 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 Knox County's
PrefixSectional centerHereAll codes
475 Evansville, IN (SCF 476) 12 57

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