ZIP Codes of Madison County, KY

Population & People
Population & People
Total Population
96,915
Household Income
Household Income
Median Income
$62,641
Housing
Housing
Total Housing Units
41,001
Business & Economy
Business & Economy
Total Businesses
1,808
Employment
Employment
Employment Rate
59.84%
Education
Education
Bachelor's Degree+
33.83%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:6 ZIP Codes (3 Standard, 2 PO Box, 1 Unique) [See All]
Area Codes:606 / 859
Timezone:Eastern (GMT -05:00)
Local Time:11:53:38 PM
Population:96,915 [See All]
FIPS:21151
CBSA:Richmond-Berea, KY
Land Area:449 sq mi
Water Area:5 sq mi
Coordinates:37.6444, -84.2520
Quick Link:
https://www.zip-codes.com/county/ky-madison.asp
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Among Kentucky's 10 most populous counties
#8 of 120 counties with 96,915 residents.

Standout ZIPs in this County


Most Populous
Richmond · 65,961 people
68.1% of county total
Highest Income
Waco · $63,103 median
1.0× county average
Largest Land Area
Richmond · 291.7 sq mi
Spans the most ground
Fastest Growth
Berea · 13.3% (10-yr)
24,369 → 27,607 residents
Most Educated
Richmond · 37.4% bachelor's+
15,388 of 41,141 adults 25+

Things worth knowing about Madison County


96,915 residents live across 6 ZIPs covering 449 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 85,954 to 96,915 from 2014 to 2024 — a +12.8% change. 3 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 40385 (Waco, $63,103 median) and poorest ZIP 40403 (Berea, $61,771) are 5.5 miles apart — a 1.0× income gap across local geography.

Median home values vary 1.3× across this county — from $194,700 in 40385 (Waco) to $244,300 in 40475 (Richmond).

Density varies across the county — from 49 people/sq mi in 40385 (Waco) to 247 in 40403 (Berea).

Most of the decade's growth concentrated around Berea — top growth ZIPs averaged +26.0% over the past ten years ( 40404 , 40403 and 40475 ).

Educational attainment ranges from 21.4% bachelor's+ in 40385 (Waco) to 37.4% in 40475 (Richmond) — the breadth of educational profiles across the area.

Within Kentucky, this is the #8 most populous of 120 counties and ranks #43 for median household income with the #8 fastest decade growth .

Hosts 1 single-entity Unique ZIP: 40404Berea College .

Weighted by population, the typical household earns about $62,683 across the county — reflecting what a typical resident sees, not a simple ZIP average.

33.8% of adults age 25+ hold a bachelor's degree or higher (20,589 of 60,858 reporting).

3 Standard delivery, 2 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Madison County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Richmond

All ZIP Codes in Madison County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40475RichmondStandard65,961$63,050291.713.1%
40403BereaStandard27,607$61,771111.613.3%
40385WacoStandard2,233$63,10345.7-11.0%
40404BereaUnique1,1140.051.8%
40476RichmondPO Box0.0
40405BighillPO Box0.0

Adjacent & Nearby Counties