ZIP Codes of Boyd County, KY

Population & People
Population & People
Total Population
52,493
Household Income
Household Income
Median Income
$66,748
Housing
Housing
Total Housing Units
23,611
Business & Economy
Business & Economy
Total Businesses
1,227
Employment
Employment
Employment Rate
50.02%
Education
Education
Bachelor's Degree+
21.10%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (4 Standard, 1 PO Box, 1 Unique) [See All]
Area Code:606
Timezone:Eastern (GMT -05:00)
Local Time:2:12:16 PM
Population:52,493 [See All]
FIPS:21019
CBSA:Huntington-Ashland, WV-KY-OH
Land Area:209 sq mi
Water Area:1 sq mi
Coordinates:38.4134, -82.6773
Quick Link:
https://www.zip-codes.com/county/ky-boyd.asp
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Kentucky's #19 most populous county
52,493 residents across 6 ZIPs — #19 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Ashland · 20,621 people
39.3% of county total
Highest Income
Rush · $84,338 median
1.3× county average
Largest Land Area
Catlettsburg · 87.0 sq mi
Spans the most ground
Fastest Growth
Rush · 34.2% (10-yr)
2,736 → 3,673 residents
Most Educated
Ashland · 23.5% bachelor's+
3,089 of 13,153 adults 25+

Things worth knowing about Boyd County


52,493 residents live across 6 ZIPs covering 209 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 53,137 to 52,493 from 2014 to 2024 — a -1.2% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 41168 (Rush, $84,338 median) and poorest ZIP 41101 (Ashland, $53,889) are 13.5 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.3× across this county — from $121,600 in 41101 (Ashland) to $153,800 in 41102 (Ashland).

Density varies 24× across the county — from 63 people/sq mi in 41168 (Rush) to 1,513 in 41101 (Ashland).

Most of the decade's growth concentrated around Ashland — top growth ZIPs averaged +10.4% over the past ten years ( 41168 , 41101 and 41102 ).

Educational attainment ranges from 15.5% bachelor's+ in 41168 (Rush) to 23.5% in 41101 (Ashland) — the breadth of educational profiles across the area.

Within Kentucky, this is the #19 most populous of 120 counties and ranks #31 for median household income .

Hosts 1 single-entity Unique ZIP: 41114Ashland Oil Inc .

Weighted by population, the typical household earns about $62,716 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.1% of adults age 25+ hold a bachelor's degree or higher (7,896 of 37,413 reporting). The most-educated ZIPs cluster around Ashland.

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

All ZIP Codes in Boyd County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
41102AshlandStandard20,621$67,87950.3-3.7%
41101AshlandStandard19,189$53,88912.70.6%
41129CatlettsburgStandard9,010$60,88587.0-9.1%
41168RushStandard3,673$84,33858.834.2%
41114AshlandUnique0.0
41105AshlandPO Box0.0

Adjacent & Nearby Counties