County ZIP codes · Kentucky · FIPS 21017
Bourbon County, KY ZIP Codes
Bourbon County, Kentucky has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 9 residential and 1 for PO boxes or a single organization. 3 of the residential ones lie mainly in Bourbon County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $43,607 in 40374 (Sharpsburg) to $85,110 in 40324 (Georgetown) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Bourbon County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $61,348 and $79,540.
They carry 8 postal town names: Georgetown, Lexington, Paris, Cynthiana, Carlisle, Sharpsburg, Millersburg, North Middletown.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 9 residential ZIP codes in Bourbon County
3 ZIP codes lie mainly in Bourbon County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 40361 | Paris | 18,361 | 71 | $63k | $233k | 98% |
| 40348 | Millersburg | 625 | 1,025 | $42k | $105k | 100% |
| 40357 | North Middletown | 81 | 2,132 | $12k | $95k | 100% |
Partly in Bourbon County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 40516 | Lexington | 2,926 | 95 | $85k | $264k | 14% |
| 40311 | Carlisle | 7,672 | 45 | $61k | $130k | 10% |
| 40374 | Sharpsburg | 2,562 | 42 | $44k | $115k | 4% |
| 40511 | Lexington | 38,176 | 444 | $80k | $252k | 4% |
| 41031 | Cynthiana | 16,624 | 74 | $65k | $212k | 3% |
| 40324 | Georgetown | 53,406 | 344 | $85k | $289k | 2% |
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?
7 ZIP codes of Bourbon County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Bourbon | Elsewhere |
|---|---|---|
| 40324 | 2% | Scott County96%; Fayette County2% |
| 40511 | 4% | Fayette County91%; Scott County5% |
| 40361 | 98% | Harrison County1% |
| 41031 | 3% | Harrison County91%; Nicholas County6% |
| 40311 | 10% | Nicholas County89% |
| 40516 | 14% | Fayette County86% |
| 40374 | 4% | Bath County84%; Nicholas County12% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 40362 | Paris |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Bourbon County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Bourbon County's ZIP codes use 3 prefixes: 403, 405 and 410.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 403 | Lexington, KY (SCF 403) | 7 | 47 |
| 405 | Lexington, KY (SCF 403) | 2 | 39 |
| 410 | Cincinnati, OH (SCF 450) | 1 | 68 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.