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County ZIP codes · Kentucky · FIPS 21151

Madison County, KY ZIP Codes

Madison County, Kentucky has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 5 residential and 2 for PO boxes or a single organization. 4 of the residential ones lie mainly in Madison County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $61,771 in 40403 (Berea) to $71,212 in 40461 (Paint Lick) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Madison County?

40385 · Waco: $63k40403 · Berea: $62k40404 · Berea: –40461 · Paint Lick: $71k40475 · Richmond: $63k4047540403403854046140385 · Waco: $63k40403 · Berea: $62k40404 · Berea: –40461 · Paint Lick: $71k40475 · Richmond: $63k4047540403403854046140385 · Waco: $63k40403 · Berea: $62k40404 · Berea: –40461 · Paint Lick: $71k40475 · Richmond: $63k40475404034038540461
The residential ZIP codes of Madison 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 $61,771 and $63,103.

They carry 4 postal town names: Richmond, Berea, Paint Lick, Waco.

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

All 5 residential ZIP codes in Madison County

4 ZIP codes lie mainly in Madison County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Madison County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
40475 Richmond 65,961 229 $63k $244k 100%
40403 Berea 27,607 249 $62k $200k 76%
40385 Waco 2,233 49 $63k $195k 100%
40404 Berea 1,114 5,626 – – 100%

Partly in Madison County

Residential ZIP codes mainly in another county that reach at least 1% into Madison County, by their share here
In this county
40461 Paint Lick 2,527 45 $71k $202k 35%

Download the 7 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?

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

Share of each ZIP code's land in Madison County and in the neighboring counties
ZIPIn MadisonElsewhere
4040376%Garrard County 14%; Rockcastle County 9%
4046135%Garrard County 65%

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

PO Box and single-organization ZIP codes

ZIP codes in Madison County without a residential area (GeoNames postal codes)
ZIPPostal name
40405Bighill
40476Richmond

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Madison County's ZIP codes use 2 prefixes: 403 and 404.

Three-digit prefixes of Madison 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 Madison County's
PrefixSectional centerHereAll codes
403 Lexington, KY (SCF 403) 1 47
404 Lexington, KY (SCF 403) 6 33

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