Residential delivery area · Kentucky
ZIP Code 42103: Bowling Green, KY
ZIP code 42103 uses the postal name Bowling Green, Kentucky and lies entirely in Warren County (Census 2020 ZIP-county file). About 22,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Bowling Green's 3 residential ZIP codes. Median household income is $87,689 (Census Bureau, ACS 2020-2024). By Census place, 14% of its land lies in Bowling Green; 86% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bowling Green · 3 residential ZIPs
- County
- Warren County
- Census places
- Bowling Green
- Metro area
- Bowling Green, KY
- House district
- KY-2 119th Congress
- State
- Kentucky
- Time zone
- Central
- Land area
- 70.4 sq mi · 311 people per sq mi
- PO Box ZIPs
- 42102 also use the name Bowling Green
Where is ZIP code 42103?
42103 centers on 36.965°, -86.325° and covers 70.4 square miles of land plus 1.0 of water. It borders 5 ZIP codes: 42159, 42122, 42104, 42101, 42164.
The map draws ZIP code areas only. For the streets inside 42103, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 42103 compare with the rest of Bowling Green?
| Measure | 42103 | In Bowling Green | In Warren County | In KY |
|---|---|---|---|---|
| People (ACS 2020-2024) | 21,911 | 3rd of 3 | 3rd of 9 | 68th of 780 |
| Median household income | $88k | 1st of 3 | 2nd of 7 | 39th of 310 |
| Median home value | $331k | 1st of 3 | 1st of 7 | 22nd of 320 |
Its median household income is higher than in 71% of U.S. residential ZIP codes, and it is denser than 67% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 42103?
The 2020 Census counted 22,106 people in 42103; the ACS, which samples households over 2020-2024, estimates 21,911. Between the 2010 and 2020 censuses its population grew 16.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 21,911
- 2020 Census count
- 22,106+16.7% since 2010 (18,936)
- Households
- 9,944
- Median age
- 41.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 42103?
Of the 21,911 people the ACS estimates in 42103, 19.2% are under 18 and 18.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.2%).
- Under 1819.2%
- 18 to 6462.7%
- 65 and older18.0%
- White, not Hispanic86.2%
- Black, not Hispanic4.7%
- Asian, not Hispanic3.6%
- Hispanic or Latino3.2%
- Other or two or more2.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 42103 earn?
Median household income is $87,689 (ACS 2020-2024), the 2nd highest of the 7 ranked ZIP codes in Warren County. It rose from $78,168 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $87,689
- Income per person
- $61,043
- Below the poverty line
- 10.3%
- Unemployed (of the labor force)
- 2.2%
- Adults 25+ with a bachelor's degree
- 47.4%
- Adjusted gross income per tax return, 2022
- $109,91510,760 returns; wages 57% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 42103?
FHFA's house price index for 42103, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +1.6% in 2025.
- Median home value (owners' estimate)
- $331,400
- Median gross rent
- $1,184
- Homes owned by their occupants
- 63.0%
- Housing units
- 10,604
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 42103?
514 business establishments had a location in this ZIP code in 2023, 78 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance91
- Construction65
- Professional, scientific, and technical services52
- Retail trade50
- Finance and insurance42
- Wholesale trade40
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 42103?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 42159 | Oakland | 1,699 | $67k | 4.7 mi |
| 42122 | Alvaton | 5,513 | $114k | 7.6 mi |
| 42104 | Bowling Green | 42,076 | $75k | 9.3 mi |
| 42101 | Bowling Green | 65,421 | $48k | 10.0 mi |
| 42164 | Scottsville | 17,673 | $60k | 15.6 mi |
| 42171 | Smiths Grove | 6,723 | $70k | 9.6 mi (near) |
| 42163 | Rocky Hill | 48 | – | 13.1 mi (near) |
| 42274 | Rockfield | 2,157 | $81k | 15.2 mi (near) |
| 42170 | Woodburn | 1,938 | $96k | 15.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.