ZIP Codes of Ashland County, WI

Population & People
Population & People
Total Population
17,979
Household Income
Household Income
Median Income
$67,114
Housing
Housing
Total Housing Units
10,671
Business & Economy
Business & Economy
Total Businesses
524
Employment
Employment
Employment Rate
57.33%
Education
Education
Bachelor's Degree+
25.43%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:534 / 715
Timezone:Central (GMT -06:00)
Local Time:2:14:17 PM
Population:17,979 [See All]
FIPS:55003
Land Area:1,202 sq mi
Water Area:23 sq mi
Coordinates:46.3985, -90.7063
Quick Link:
https://www.zip-codes.com/county/wi-ashland.asp
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Wisconsin's #58 most populous county
17,979 residents across 9 ZIPs — #58 of 73 Wisconsin counties.

Standout ZIPs in this County


Most Populous
Ashland · 11,704 people
65.1% of county total
Highest Income
High Bridge · $74,000 median
1.1× county average
Largest Land Area
Ashland · 301.2 sq mi
Spans the most ground
Fastest Growth
Ashland · 1.6% (10-yr)
11,521 → 11,704 residents
Most Educated
Ashland · 27.4% bachelor's+
2,230 of 8,124 adults 25+

Things worth knowing about Ashland County


17,979 residents live across 9 ZIPs covering 1,202 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 17,753 to 17,979 from 2014 to 2024 — a +1.3% change. 4 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 54846 (High Bridge, $74,000 median) and poorest ZIP 54527 (Glidden, $55,476) are 16.2 miles apart — a 1.3× income gap across local geography.

Median home values vary 3.5× across this county — from $121,100 in 54527 (Glidden) to $422,500 in 54517 (Clam Lake).

Density varies 17× across the county — from 2 people/sq mi in 54517 (Clam Lake) to 39 in 54806 (Ashland).

Educational attainment ranges from 15.3% bachelor's+ in 54846 (High Bridge) to 51.9% in 54850 (La Pointe) — the breadth of educational profiles across the area.

Within Wisconsin, this is the #58 most populous of 73 counties and ranks #56 for median household income .

Weighted by population, the typical household earns about $65,484 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.4% of adults age 25+ hold a bachelor's degree or higher (3,233 of 12,714 reporting).

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

Stories about Ashland County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
1,202
square miles
Avg density
15.0
people per sq mi
Population
17,979
across 9 ZIPs
Ashland
301.2 sq mi
11,704 residents
Butternut
245.2 sq mi
1,827 residents
Glidden
225.3 sq mi
932 residents

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.

Ashland

All ZIP Codes in Ashland County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
54806AshlandStandard11,704$64,864301.21.6%
54514ButternutStandard1,827$70,769245.2-3.4%
54546MellenStandard1,332$70,104162.9-1.1%
54527GliddenStandard932$55,476225.3-7.0%
54855MarengoStandard924$56,875110.6-4.6%
54846High BridgeStandard650$74,00032.623.8%
54850La PointePO Box321$71,25050.741.4%
54517Clam LakeStandard167$73,57174.018.4%
54861OdanahPO Box1220.0-6.2%

Adjacent & Nearby Counties