ZIP Codes of Montcalm County, MI

Population & People
Population & People
Total Population
69,473
Household Income
Household Income
Median Income
$65,948
Housing
Housing
Total Housing Units
29,169
Business & Economy
Business & Economy
Total Businesses
1,114
Employment
Employment
Employment Rate
53.52%
Education
Education
Bachelor's Degree+
16.28%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 17 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:17 ZIP Codes (15 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:231 / 616 / 989
Timezone:Eastern (GMT -05:00)
Local Time:2:12:33 PM
Population:69,473 [See All]
FIPS:26117
CBSA:Grand Rapids-Wyoming-Kentwood, MI
Land Area:785 sq mi
Water Area:17 sq mi
Coordinates:43.3171, -85.1372
Quick Link:
https://www.zip-codes.com/county/mi-montcalm.asp
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Michigan's #28 most populous county
69,473 residents across 17 ZIPs — #28 of 83 Michigan counties.

Standout ZIPs in this County


Most Populous
Greenville · 18,212 people
26.2% of county total
Highest Income
Trufant · $91,477 median
1.4× county average
Largest Land Area
Greenville · 96.6 sq mi
Spans the most ground
Fastest Growth
Carson City · 34.9% (10-yr)
5,517 → 7,440 residents
Most Educated
Pierson · 29.0% bachelor's+
435 of 1,498 adults 25+

Things worth knowing about Montcalm County


69,473 residents live across 17 ZIPs covering 785 sq mi, served by 17 distinct USPS-recognized cities.

Population moved from 65,616 to 69,473 from 2014 to 2024 — a +5.9% change. 10 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 49347 (Trufant, $91,477 median) and poorest ZIP 48891 (Vestaburg, $51,429) are 22.8 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.6× across this county — from $151,900 in 48829 (Edmore) to $241,100 in 49339 (Pierson).

Density varies across the county — from 45 people/sq mi in 48834 (Fenwick) to 189 in 48838 (Greenville).

Educational attainment ranges from 11.1% bachelor's+ in 48811 (Carson City) to 29.0% in 49339 (Pierson) — the breadth of educational profiles across the area.

Within Michigan, this is the #28 most populous of 83 counties and ranks #45 for median household income with the #10 fastest decade growth .

Weighted by population, the typical household earns about $67,696 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.3% of adults age 25+ hold a bachelor's degree or higher (8,044 of 49,410 reporting).

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

Stories about Montcalm 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
785
square miles
Avg density
88.5
people per sq mi
Population
69,473
across 17 ZIPs
Greenville
96.6 sq mi
18,212 residents
Stanton
90.0 sq mi
5,813 residents
Lakeview
87.0 sq mi
4,659 residents

All ZIP Codes in Montcalm County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
48838GreenvilleStandard18,212$70,17696.61.7%
49329Howard CityStandard9,156$74,23579.36.5%
48811Carson CityStandard7,440$70,62559.934.9%
48888StantonStandard5,813$57,50090.0-10.3%
48884SheridanStandard5,091$62,75062.120.7%
48850LakeviewStandard4,659$68,04787.010.7%
48829EdmoreStandard3,652$63,75070.215.7%
48891VestaburgStandard2,915$51,42942.9-4.8%
48818CrystalStandard2,554$55,92426.76.9%
49339PiersonStandard2,188$86,61131.8-5.6%
48834FenwickStandard2,139$53,95847.7-2.9%
49347TrufantStandard1,570$91,47718.328.4%
48886Six LakesStandard1,565$61,66729.3-24.1%
49322CoralStandard1,245$73,75025.1-2.8%
48885SidneyStandard1,129$71,38917.827.4%
48852McbridesPO Box145$41,8750.039.4%
48812Cedar LakePO Box0.0

Adjacent & Nearby Counties