ZIP Codes of Delta County, MI

Population & People
Population & People
Total Population
37,265
Household Income
Household Income
Median Income
$68,888
Housing
Housing
Total Housing Units
19,934
Business & Economy
Business & Economy
Total Businesses
994
Employment
Employment
Employment Rate
49.19%
Education
Education
Bachelor's Degree+
20.68%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:906
Timezone:Eastern (GMT -05:00)
Local Time:2:12:31 PM
Population:37,265 [See All]
FIPS:26041
CBSA:Escanaba, MI
Land Area:1,260 sq mi
Water Area:73 sq mi
Coordinates:45.8741, -87.0304
Quick Link:
https://www.zip-codes.com/county/mi-delta.asp
Need Delta data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Extreme geographic sprawl
The largest ZIP spans 486× the smallest by area — 449.3 sq mi down to 0.92.

Standout ZIPs in this County


Most Populous
Escanaba · 16,416 people
44.1% of county total
Highest Income
Wells · $93,828 median
1.4× county average
Largest Land Area
Rapid River · 449.3 sq mi
Spans the most ground
Fastest Growth
Cornell · 27.8% (10-yr)
1,003 → 1,282 residents
Most Educated
Gladstone · 23.5% bachelor's+
1,722 of 7,342 adults 25+

Things worth knowing about Delta County


37,265 residents live across 10 ZIPs covering 1,260 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 37,664 to 37,265 from 2014 to 2024 — a -1.1% change. 4 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 49894 (Wells, $93,828 median) and poorest ZIP 49829 (Escanaba, $50,277) are 4.5 miles apart — a 1.9× income gap across local geography.

Median home values vary 1.3× across this county — from $145,700 in 49894 (Wells) to $191,700 in 49818 (Cornell).

Density varies 199× across the county — from 5 people/sq mi in 49880 (Rock) to 932 in 49894 (Wells).

Educational attainment ranges from 4.2% bachelor's+ in 49872 (Perkins) to 26.4% in 49835 (Garden) — the breadth of educational profiles across the area.

Within Michigan, this is the #43 most populous of 83 counties and ranks #36 for median household income .

Weighted by population, the typical household earns about $59,971 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.7% of adults age 25+ hold a bachelor's degree or higher (5,701 of 27,568 reporting).

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

Stories about Delta 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
1,260
square miles
Avg density
29.6
people per sq mi
Population
37,265
across 10 ZIPs
Rapid River
449.3 sq mi
3,329 residents
Rock
218.5 sq mi
1,021 residents
Cornell
181.5 sq mi
1,282 residents

All ZIP Codes in Delta County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
49829EscanabaStandard16,416$50,27772.6-5.5%
49837GladstoneStandard10,265$64,30674.57.5%
49878Rapid RiverStandard3,329$71,136449.3-8.1%
49807Bark RiverStandard3,162$75,329145.2-4.0%
49818CornellStandard1,282$61,528181.527.8%
49880RockStandard1,021$64,013218.5-6.8%
49894WellsStandard861$93,8280.927.2%
49835GardenStandard676$51,42994.4-16.9%
49872PerkinsPO Box231$53,28122.327.6%
49864NahmaPO Box22$103,7501.0-62.7%

Adjacent & Nearby Counties