County ZIP codes · Kentucky · FIPS 21211

Shelby County, KY ZIP Codes

Shelby County, Kentucky has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 13 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in Shelby County and 8 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $65,732 in 40601 (Frankfort) to $144,635 in 40023 (Fisherville) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

40601 · $66k 40023 · $145k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $77,869 and $97,684.

They carry 13 postal town names.

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

All 13 residential ZIP codes in Shelby County

5 ZIP codes lie mainly in Shelby County; 8 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Shelby County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
40065	Shelbyville	32,160	192	$78k	$281k	100%
40067	Simpsonville	6,365	146	$98k	$361k	100%
40076	Waddy	2,898	51	$92k	$259k	87%
40003	Bagdad	1,807	42	$98k	$345k	93%
40022	Finchville	903	55	$98k	$577k	100%

Partly in Shelby County

Residential ZIP codes mainly in another county that reach at least 1% into Shelby County, by their share here
						In this county
40019	Eminence	4,238	109	$61k	$220k	29%
40245	Louisville	39,835	1,222	$123k	$445k	27%
40057	Pleasureville	4,065	43	$78k	$227k	20%
40068	Smithfield	2,570	59	$81k	$325k	17%
40023	Fisherville	6,870	283	$145k	$498k	8%
40046	Mount Eden	1,122	23	$66k	$221k	7%
40601	Frankfort	51,893	238	$66k	$217k	4%
40071	Taylorsville	17,239	142	$99k	$329k	1%

Download the 14 ZIP codes as CSV

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?

10 ZIP codes of Shelby County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Shelby County and in the neighboring counties
ZIP	In Shelby	Elsewhere
40601	4%	Franklin County 89%; Woodford County 6%
40245	27%	Jefferson County 72%
40071	1%	Spencer County 94%; Bullitt County 5%
40023	8%	Jefferson County 60%; Spencer County 33%
40019	29%	Henry County 71%
40057	20%	Henry County 80%
40076	87%	Anderson County 9%; Franklin County 4%
40068	17%	Henry County 69%; Oldham County 14%
40003	93%	Franklin County 7%
40046	7%	Spencer County 76%; Anderson County 17%

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

PO Box and single-organization ZIP codes

ZIP codes in Shelby County without a residential area (GeoNames postal codes)
ZIP	Postal name
40066	Shelbyville

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Shelby County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Shelby County's ZIP codes use 3 prefixes: 400, 402 and 406.

Three-digit prefixes of Shelby County'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 Shelby County's
Prefix	Sectional center	Here	All codes
400	Louisville, KY (SCF 400)	12	54
402	Louisville, KY (SCF 400)	1	66
406	Lexington, KY (SCF 403)	1	9

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

Where are the ZIP codes of Shelby County?