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County ZIP codes · Kentucky · FIPS 21215

Spencer County, KY ZIP Codes

Spencer County, Kentucky has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Spencer County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $66,486 in 40008 (Bloomfield) to $144,635 in 40023 (Fisherville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Spencer County?

40008 · Bloomfield: $67k40013 · Coxs Creek: $100k40023 · Fisherville: $145k40046 · Mount Eden: $66k40047 · Mount Washington: $99k40071 · Taylorsville: $99k40071400084001340046400234004740008 · Bloomfield: $67k40013 · Coxs Creek: $100k40023 · Fisherville: $145k40046 · Mount Eden: $66k40047 · Mount Washington: $99k40071 · Taylorsville: $99k40071400084001340046400234004740008 · Bloomfield: $67k40013 · Coxs Creek: $100k40023 · Fisherville: $145k40046 · Mount Eden: $66k40047 · Mount Washington: $99k40071 · Taylorsville: $99k400714000840013400464002340047
The residential ZIP codes of Spencer County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

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 $98,528 and $100,226.

They carry 6 postal town names: Mount Washington, Taylorsville, Fisherville, Coxs Creek, Bloomfield, Mount Eden.

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

All 6 residential ZIP codes in Spencer County

2 ZIP codes lie mainly in Spencer County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Spencer County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
40071 Taylorsville 17,239 142 $99k $329k 94%
40046 Mount Eden 1,122 23 $66k $221k 76%

Partly in Spencer County

Residential ZIP codes mainly in another county that reach at least 1% into Spencer County, by their share here
In this county
40023 Fisherville 6,870 283 $145k $498k 33%
40008 Bloomfield 4,020 45 $67k $224k 17%
40013 Coxs Creek 6,670 88 $100k $265k 14%
40047 Mount Washington 23,662 792 $99k $279k 4%

Download the 6 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?

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

Share of each ZIP code's land in Spencer County and in the neighboring counties
ZIPIn SpencerElsewhere
400474%Bullitt County 95%
4007194%Bullitt County 5%; Shelby County 1%
4002333%Jefferson County 60%; Shelby County 8%
4001314%Nelson County 77%; Bullitt County 10%
4000817%Nelson County 83%
4004676%Anderson County 17%; Shelby County 7%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Spencer County starts with 400.

Three-digit prefixes of Spencer 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 Spencer County's
PrefixSectional centerHereAll codes
400 Louisville, KY (SCF 400) 6 54

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