ZIP Codes of Allegan County, MI

Population & People
Population & People
Total Population
105,307
Household Income
Household Income
Median Income
$86,214
Housing
Housing
Total Housing Units
45,420
Business & Economy
Business & Economy
Total Businesses
2,053
Employment
Employment
Employment Rate
59.51%
Education
Education
Bachelor's Degree+
24.73%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 17 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:17 ZIP Codes (12 Standard, 5 PO Box, 0 Unique) [See All]
Area Codes:269 / 616
Timezone:Eastern (GMT -05:00)
Local Time:11:53:48 PM
Population:105,307 [See All]
FIPS:26005
CBSA:Holland, MI
Land Area:754 sq mi
Water Area:19 sq mi
Coordinates:42.6062, -85.8501
Quick Link:
https://www.zip-codes.com/county/mi-allegan.asp
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Striking education divide
Bachelor's share spans 13.6% to 53.2% — a 40-point gap.
Owner-dominated county
Just 12.8% of homes are rentals — strong homeownership culture.

Standout ZIPs in this County


Most Populous
Allegan · 18,175 people
17.3% of county total
Highest Income
Saugatuck · $110,139 median
1.3× county average
Largest Land Area
Allegan · 165.3 sq mi
Spans the most ground
Fastest Growth
Saugatuck · 16.5% (10-yr)
2,497 → 2,908 residents
Most Educated
Saugatuck · 53.2% bachelor's+
1,202 of 2,260 adults 25+

Things worth knowing about Allegan County


105,307 residents live across 17 ZIPs covering 754 sq mi, served by 17 distinct USPS-recognized cities.

Population moved from 98,402 to 105,307 from 2014 to 2024 — a +7.0% change. 10 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 49453 (Saugatuck, $110,139 median) and poorest ZIP 49450 (Pullman, $50,102) are 12.4 miles apart — a 2.2× income gap across local geography.

Median home values vary 4.2× across this county — from $119,100 in 49450 (Pullman) to $497,100 in 49406 (Douglas).

Density varies across the county — from 74 people/sq mi in 49328 (Hopkins) to 615 in 49406 (Douglas).

Educational attainment ranges from 13.6% bachelor's+ in 49344 (Shelbyville) to 63.5% in 49406 (Douglas) — the breadth of educational profiles across the area.

Within Michigan, this is the #19 most populous of 83 counties and ranks #7 for median household income with the #8 fastest decade growth .

Weighted by population, the typical household earns about $81,948 across the county — reflecting what a typical resident sees, not a simple ZIP average.

24.7% of adults age 25+ hold a bachelor's degree or higher (18,126 of 73,288 reporting).

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

Stories about Allegan County


Higher-education hub

1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

Douglas
63.5%
1,085 residents

All ZIP Codes in Allegan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
49010AlleganStandard18,175$74,370165.33.1%
49080PlainwellStandard16,002$74,86481.02.1%
49348WaylandStandard13,699$82,51267.213.9%
49323DorrStandard11,073$98,74548.415.5%
49408FennvilleStandard10,288$73,452108.711.7%
49078OtsegoStandard10,018$77,77850.913.6%
49419HamiltonStandard8,681$98,32473.27.4%
49328HopkinsStandard4,069$94,34055.23.6%
49344ShelbyvilleStandard3,778$84,66132.5-4.6%
49450PullmanStandard2,998$50,10231.2-6.8%
49453SaugatuckStandard2,908$110,13912.116.5%
49070MartinStandard2,359$68,75026.8-4.6%
49406DouglasPO Box1,085$102,5001.835.8%
49335MolinePO Box174$116,4660.0-65.2%
49314BurnipsPO Box0.0
49416GlennPO Box0.0
49311BradleyPO Box0.0

Adjacent & Nearby Counties