Residential delivery area · Kentucky
ZIP Code 40051: New Haven, KY
ZIP code 40051 uses the postal name New Haven, Kentucky and lies mostly in Nelson County (68% of its land), reaching into Larue County and Hardin County (Census 2020 ZIP-county file). About 4,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,337 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in New Haven; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- New Haven · its only residential ZIP
- County
- Nelson County (68%); Larue County (29%); Hardin County (3%)
- Census places
- New Haven
- Metro area
- Louisville/Jefferson County, KY-IN
- House district
- KY-2 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 90.8 sq mi · 51 people per sq mi
Where is ZIP code 40051?
40051 centers on 37.652°, -85.580° and covers 90.8 square miles of land plus 1.2 of water. It borders 7 ZIP codes: 40107, 40052, 42748, 40037, 40004, 42701, 42718.
The map draws ZIP code areas only. For the streets inside 40051, 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 40051 compare with the rest of Nelson County?
| Measure | 40051 | In Nelson County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 4,658 | 3rd of 9 | 214th of 780 |
| Median household income | $80k | 2nd of 4 | 55th of 310 |
| Median home value | $213k | 5th of 5 | 93rd of 320 |
Its median household income is higher than in 62% of U.S. residential ZIP codes, and it is denser than 43% 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 40051?
The 2020 Census counted 4,366 people in 40051; the ACS, which samples households over 2020-2024, estimates 4,658. Between the 2010 and 2020 censuses its population fell 9.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,658±770 (90% margin)
- 2020 Census count
- 4,366−9.0% since 2010 (4,799)
- Households
- 1,737
- Median age
- 35.0
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 40051?
Of the 4,658 people the ACS estimates in 40051, 24.3% are under 18 and 12.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.6%).
- Under 1824.3%
- 18 to 6463.1%
- 65 and older12.6%
- White, not Hispanic97.6%
- Other or two or more1.2%
- Hispanic or Latino0.7%
- Asian, not Hispanic0.2%
- Black, not Hispanic0.2%
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 40051 earn?
Median household income is $80,337 (ACS 2020-2024), the 2nd highest of the 4 ranked ZIP codes in Nelson County. It rose from $60,797 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $80,337±$13,579
- Income per person
- $31,362
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 14.0%
- Adjusted gross income per tax return, 2022
- $56,7562,120 returns; wages 75% 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 40051?
FHFA's house price index for 40051, built from repeat sales and appraisals of the same homes, rose 152% from 2015 to 2025 and rose 100% from 2020 to 2025.
- Median home value (owners' estimate)
- $212,900
- Median gross rent
- $821
- Homes owned by their occupants
- 85.8%
- Housing units
- 2,105
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 40051?
61 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction15
- Retail trade13
- Other services (except public administration)7
- Administrative and support and waste management and remediation services6
- Transportation and warehousing4
- Manufacturing3
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 40051?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40107 | Boston | 2,187 | $60k | 5.2 mi |
| 40052 | New Hope | 655 | $46k | 6.0 mi |
| 42748 | Hodgenville | 9,365 | $66k | 8.6 mi |
| 40037 | Loretto | 2,793 | $70k | 8.9 mi |
| 40004 | Bardstown | 30,601 | $67k | 12.0 mi |
| 42701 | Elizabethtown | 53,987 | $70k | 14.6 mi |
| 42718 | Campbellsville | 26,768 | $57k | 21.1 mi |
| 40062 | Saint Francis | 280 | $53k | 8.2 mi (near) |
| 40060 | Raywick | 1,114 | $45k | 9.8 mi (near) |
| 40049 | Nerinx | 108 | – | 10.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.