Plain

City ZIP codes · Kentucky

Bowling Green, KY ZIP Codes

4 ZIP codes use the postal name Bowling Green, Kentucky (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 1 for PO boxes or a single organization. Median household income runs from $48,217 in 42101 to $87,689 in 42103, 1.8 times as much (Census Bureau, ACS 2020-2024). Bowling Green's most populous ZIP code is 42101, with 65,421 people (ACS 2020-2024); 7% of its land is in the city of Bowling Green.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Bowling Green's ZIP codes?

42101: $48k median household income42103: $88k median household income42104: $75k median household income42101421034210442101: $48k median household income42103: $88k median household income42104: $75k median household income42101421034210442101: $48k median household income42103: $88k median household income42104: $75k median household income421014210342104
The 3 residential ZIP codes named Bowling Green, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Bowling Green's ZIP codes?

The highest median household income is in 42103 ($87,689), the lowest in 42101 ($48,217). Home values run from $207,200 in 42101 to $331,400 in 42103.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Bowling Green

Residential ZIP codes with the postal name Bowling Green, KY, largest first (ACS 2020-2024); sort by any column
County
42101 Warren County 65,421 233 $48k $207k
42104 Warren County 42,076 725 $75k $306k
42103 Warren County 21,911 311 $88k $331k

Download the 4 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Bowling Green

1 ZIP code named Bowling Green has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Bowling Green, KY: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
42102Warren County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Bowling Green's ZIP codes reach?

Bowling Green's residential ZIP codes lie in 4 counties: Warren County (3 ZIP codes mainly there), Edmonson County (part of a ZIP code), Butler County (part of a ZIP code), Simpson County (part of a ZIP code).

Which places do Bowling Green's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Bowling Green's residential ZIP codes cover Bowling Green itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Bowling Green'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 Bowling Green starts with 421.

Three-digit prefixes of Bowling Green'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 Bowling Green's
PrefixSectional centerHereAll codes
421 Nashville, TN (SCF 370) 4 33

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