ZIP Codes of Mercer County, ND

Population & People
Population & People
Total Population
8,380
Household Income
Household Income
Median Income
$86,609
Housing
Housing
Total Housing Units
4,702
Business & Economy
Business & Economy
Total Businesses
253
Employment
Employment
Employment Rate
54.59%
Education
Education
Bachelor's Degree+
23.35%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:701
Timezone:Central (GMT -06:00)
Local Time:2:13:02 PM
Population:8,380 [See All]
FIPS:38057
Land Area:1,129 sq mi
Water Area:70 sq mi
Coordinates:47.2909, -101.7558
Quick Link:
https://www.zip-codes.com/county/nd-mercer.asp
Need Mercer data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
North Dakota's #17 most populous county
8,380 residents across 5 ZIPs — #17 of 64 North Dakota counties.

Standout ZIPs in this County


Most Populous
Hazen · 3,313 people
39.5% of county total
Highest Income
Zap · $110,347 median
1.3× county average
Largest Land Area
Hazen · 334.4 sq mi
Spans the most ground
Fastest Growth
Hazen · -9.4% (10-yr)
3,657 → 3,313 residents
Most Educated
Hazen · 27.5% bachelor's+
673 of 2,444 adults 25+

Things worth knowing about Mercer County


8,380 residents live across 5 ZIPs covering 1,129 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 8,657 to 8,380 from 2014 to 2024 — a -3.2% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 58580 (Zap, $110,347 median) and poorest ZIP 58571 (Stanton, $61,250) are 26.7 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.9× across this county — from $132,300 in 58571 (Stanton) to $246,900 in 58580 (Zap).

Density varies across the county — from 2 people/sq mi in 58541 (Golden Valley) to 11 in 58523 (Beulah).

Educational attainment ranges from 8.0% bachelor's+ in 58571 (Stanton) to 27.5% in 58545 (Hazen) — the breadth of educational profiles across the area.

Within North Dakota, this is the #17 most populous of 64 counties and ranks #15 for median household income .

Weighted by population, the typical household earns about $82,721 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.4% of adults age 25+ hold a bachelor's degree or higher (1,394 of 5,970 reporting).

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

Stories about Mercer 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
1,129
square miles
Avg density
7.4
people per sq mi
Population
8,380
across 5 ZIPs
Hazen
334.4 sq mi
3,313 residents
Beulah
286.2 sq mi
3,280 residents
Golden Valley
224.5 sq mi
467 residents

All ZIP Codes in Mercer County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58545HazenStandard3,313$81,641334.4-9.4%
58523BeulahStandard3,280$81,806286.2-10.8%
58571StantonStandard754$61,250131.913.9%
58580ZapStandard566$110,347152.181.4%
58541Golden ValleyStandard467$98,000224.534.2%

Adjacent & Nearby Counties