ZIP Codes of Nicholas County, KY

Population & People
Population & People
Total Population
7,745
Household Income
Household Income
Median Income
$61,348
Housing
Housing
Total Housing Units
3,400
Business & Economy
Business & Economy
Total Businesses
85
Employment
Employment
Employment Rate
52.31%
Education
Education
Bachelor's Degree+
11.71%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:606 / 859
Timezone:Eastern (GMT -05:00)
Local Time:2:12:21 PM
Population:7,745 [See All]
FIPS:21181
Land Area:184 sq mi
Water Area:1 sq mi
Coordinates:38.3162, -83.9441
Quick Link:
https://www.zip-codes.com/county/ky-nicholas.asp
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Kentucky's #106 most populous county
7,745 residents across 2 ZIPs — #106 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Carlisle · 7,672 people
99.1% of county total
Highest Income
Carlisle · $61,348 median
1.0× county average
Largest Land Area
Carlisle · 170.2 sq mi
Spans the most ground
Fastest Growth
Carlisle · 5.2% (10-yr)
7,296 → 7,672 residents
Most Educated
Carlisle · 11.9% bachelor's+
611 of 5,146 adults 25+

Things worth knowing about Nicholas County


7,745 residents live across 2 ZIPs covering 184 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 7,420 to 7,745 from 2014 to 2024 — a +4.4% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 40311 (Carlisle, $61,348 median) and poorest ZIP 40311 (Carlisle, $61,348) are 0.0 miles apart — a 1.0× income gap across local geography.

Density varies across the county — from 5 people/sq mi in 40350 (Moorefield) to 45 in 40311 (Carlisle).

Within Kentucky, this is the #106 most populous of 120 counties and ranks #51 for median household income .

Weighted by population, the typical household earns about $61,348 across the county — reflecting what a typical resident sees, not a simple ZIP average.

11.7% of adults age 25+ hold a bachelor's degree or higher (611 of 5,219 reporting).

2 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Nicholas 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.

Carlisle

All ZIP Codes in Nicholas County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40311CarlisleStandard7,672$61,348170.25.2%
40350MoorefieldStandard7313.8-41.1%

Adjacent & Nearby Counties