Nelson County, Kentucky ZIP codes
9 ZIP codes are in Nelson County, plus 1 that cross in from neighboring counties. It's part of the Louisville/Jefferson County, KY-IN metro area.
- ZIP codes
- 9
- Population in these ZIPs
- 49,702
- Avg. median income
- $72,500population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Nelson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 40004 | Bardstown | 30,601 | $66,578 | $264,300 |
| 40008 | Bloomfield | 4,020 | $66,486 | $256,100 |
| 40012 | Chaplin | 712 | $105,033 | $218,700 |
| 40013 | Coxs Creek | 6,670 | $100,226 | $316,200 |
| 40020 | Fairfield | 199 | $90,712 | — |
| 40048 PO Box | Nazareth | — | — | — |
| 40051 | New Haven | 4,658 | $80,337 | $210,600 |
| 40052 | New Hope | 655 | $45,750 | $223,800 |
| 40107 | Boston | 2,187 | $60,398 | $249,000 |
ZIP codes partly in Nelson County
These ZIP codes are mostly in a neighboring county but cover part of Nelson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 40037 | Loretto | Marion County | 2,793 | $70,000 | $238,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Nelson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Nelson County, Kentucky?
9 ZIP codes are mainly in Nelson County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Nelson County?
ZIP codes in Nelson County use the city names Bardstown, Bloomfield, Boston, Chaplin, Coxs Creek, Fairfield, Nazareth, New Haven and New Hope.
What metro area is Nelson County in?
Nelson County is part of the Louisville/Jefferson County, KY-IN metropolitan statistical area.