ZIP Codes of Wells County, ND

Population & People
Population & People
Total Population
4,114
Household Income
Household Income
Median Income
$75,567
Housing
Housing
Total Housing Units
2,306
Business & Economy
Business & Economy
Total Businesses
166
Employment
Employment
Employment Rate
59.81%
Education
Education
Bachelor's Degree+
21.20%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:701
Timezone:Central (GMT -06:00)
Local Time:2:13:03 PM
Population:4,114 [See All]
FIPS:38103
Land Area:1,332 sq mi
Water Area:27 sq mi
Coordinates:47.5396, -99.6562
Quick Link:
https://www.zip-codes.com/county/nd-wells.asp
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Striking education divide
Bachelor's share spans 14.8% to 47.1% — a 32-point gap.

Standout ZIPs in this County


Most Populous
Harvey · 2,572 people
62.5% of county total
Highest Income
Cathay · $131,477 median
1.7× county average
Largest Land Area
Harvey · 455.2 sq mi
Spans the most ground
Fastest Growth
Harvey · 0.8% (10-yr)
2,552 → 2,572 residents
Most Educated
Harvey · 20.4% bachelor's+
346 of 1,695 adults 25+

Things worth knowing about Wells County


4,114 residents live across 7 ZIPs covering 1,332 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 4,246 to 4,114 from 2014 to 2024 — a -3.1% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 58422 (Cathay, $131,477 median) and poorest ZIP 58418 (Bowdon, $55,357) are 16.9 miles apart — a 2.4× income gap across local geography.

Median home values vary 2.2× across this county — from $77,500 in 58486 (Sykeston) to $172,900 in 58422 (Cathay).

Density varies 15× across the county — from 0 people/sq mi in 58451 (Hurdsfield) to 6 in 58341 (Harvey).

Educational attainment ranges from 14.8% bachelor's+ in 58486 (Sykeston) to 47.1% in 58423 (Chaseley) — the breadth of educational profiles across the area.

Within North Dakota, this is the #25 most populous of 64 counties and ranks #32 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.

21.2% of adults age 25+ hold a bachelor's degree or higher (602 of 2,839 reporting).

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

Stories about Wells 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
1,332
square miles
Avg density
3.1
people per sq mi
Population
4,114
across 7 ZIPs
Harvey
455.2 sq mi
2,572 residents
Bowdon
228.2 sq mi
259 residents
Sykeston
158.8 sq mi
178 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.

Harvey

All ZIP Codes in Wells County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58341HarveyStandard2,572$61,641455.20.8%
58438FessendenStandard679$67,244141.5-0.7%
58418BowdonStandard259$55,357228.2-31.1%
58423ChaseleyStandard20184.7125.8%
58486SykestonStandard178158.827.1%
58422CathayStandard174$131,477131.1-26.6%
58451HurdsfieldStandard51$62,115132.0-69.6%

Adjacent & Nearby Counties