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zipcodes.pro — STATE/MI/COUNTY/IONIA

Ionia County, MI ZIP codes

There are 13 ZIP codes in Ionia County, MI, in 13 towns, from 48809 to 48887. The largest are 48846 (Ionia), 48809 (Belding) and 48875 (Portland).

The county seat is Ionia.

ZIP codes
13
Towns
13
County seat
Ionia
County FIPS
26067
Population
66,574
Median household income
$75,611
Land area
571 sq mi
Area code
616

Ionia County ZIP codes by town

Ionia (county seat)
48846

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Ionia County ZIP codes

48809488154884548846488494885148860488654887048873488754888148887

The ZIP codes of Ionia County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Ionia County in numbers

About 66,574 people live in Ionia County, in 23,355 households, the 30th most populous of Michigan's 83 counties. The median household income is $75,611 a year, 4% above the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $198,500 (14% below the Michigan median), and median gross rent is $884 a month. The median age is 39.1; 18.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 27 minutes.

Population66,574Ionia66,574
Households23,355Ionia23,355
Median age39.1Ionia39.1Michigan40.2US 38.9
Median household income$75,611Ionia$75,611Michigan$72,875US $80,734
Median home value$198,500Ionia$198,500Michigan$231,600US $332,700
Median gross rent$884Ionia$884Michigan$1,129US $1,413
Bachelor's degree or higher18.5%Ionia18.5%Michigan32.4%US 35.7%
Mean commute27.1 minIonia27.1 minMichigan24.2 minUS 26.4 min
Population density117 / sq miIonia117 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Ionia County

Largest towns in Ionia County
TownZIP codesPopulation
Ionia 1 12,753
Belding 1 5,960
Portland 1 3,790
Lake Odessa 1 2,155
Saranac 1 2,013
Orleans 1 1,884
Lyons 1 896
Muir 1 490
Hubbardston 1 464
Pewamo 1 439
Clarksville 1 417
Palo 1 375

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Ionia County.

Not sure you are in Ionia County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Ionia County, with figures

ZIP codes in Ionia County
ZIP City Type Population Median income Median home
48809 Belding , MI Standard 11,038 $71,071 $210,400
48815 Clarksville , MI Standard 2,364 $85,962 $244,200
48845 Hubbardston , MI Standard 1,218 $86,042 $172,500
48846 Ionia , MI Standard 21,613 $66,742 $172,700
48849 Lake Odessa , MI Standard 5,723 $80,313 $223,600
48851 Lyons , MI Standard 2,462 $65,726 $158,000
48860 Muir , MI Standard 1,339 $50,600 $180,300
48865 Orleans , MI Standard 1,884 $70,039 $141,900
48870 Palo , MI Standard 194 $34,290 $93,500
48873 Pewamo , MI Standard 1,250 $86,250 $195,300
48875 Portland , MI Standard 11,400 $94,216 $227,500
48881 Saranac , MI Standard 5,499 $78,607 $226,800
48887 Smyrna , MI No street area — — —

Cite this page

zipcodes.pro. “Ionia County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/ionia

Underlying data is public domain or openly licensed — sources, vintages and licences.