ZIP Codes of Itasca County, MN

Population & People
Population & People
Total Population
44,832
Household Income
Household Income
Median Income
$65,312
Housing
Housing
Total Housing Units
25,306
Business & Economy
Business & Economy
Total Businesses
1,162
Employment
Employment
Employment Rate
52.13%
Education
Education
Bachelor's Degree+
25.96%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 26 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:26 ZIP Codes (18 Standard, 7 PO Box, 1 Unique) [See All]
Area Code:218
Timezone:Central (GMT -06:00)
Local Time:2:12:37 PM
Population:44,832 [See All]
FIPS:27061
CBSA:Grand Rapids, MN
Land Area:2,955 sq mi
Water Area:254 sq mi
Coordinates:47.4000, -93.5214
Quick Link:
https://www.zip-codes.com/county/mn-itasca.asp
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Notable income spread
Median income ranges $30,625 to $90,179 across ZIPs — a 2.9× gap.

Standout ZIPs in this County


Most Populous
Grand Rapids · 20,295 people
45.3% of county total
Highest Income
Pengilly · $90,179 median
1.4× county average
Largest Land Area
Deer River · 645.2 sq mi
Spans the most ground
Fastest Growth
Cohasset · 13.5% (10-yr)
3,563 → 4,044 residents
Most Educated
Cohasset · 33.8% bachelor's+
945 of 2,796 adults 25+

Things worth knowing about Itasca County


44,832 residents live across 26 ZIPs covering 2,955 sq mi, served by 24 distinct USPS-recognized cities.

Population moved from 44,415 to 44,832 from 2014 to 2024 — a +0.9% change. 13 ZIPs gained residents, 10 lost.

The county's wealthiest ZIP 55775 (Pengilly, $90,179 median) and poorest ZIP 56639 (Effie, $30,625) are 45.9 miles apart — a 2.9× income gap across local geography.

Median home values vary 4.8× across this county — from $86,800 in 55753 (Keewatin) to $420,800 in 56657 (Marcell).

Density varies 410× across the county — from 1 people/sq mi in 56639 (Effie) to 447 in 55753 (Keewatin).

Educational attainment ranges from 3.2% bachelor's+ in 55764 (Marble) to 33.8% in 55721 (Cohasset) — the breadth of educational profiles across the area.

Within Minnesota, this is the #22 most populous of 93 counties and ranks #84 for median household income .

Hosts 1 single-entity Unique ZIP: 55745Arrowhead Promotion Fulfillm .

Weighted by population, the typical household earns about $70,315 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.0% of adults age 25+ hold a bachelor's degree or higher (8,531 of 32,856 reporting).

18 Standard delivery, 7 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Itasca 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
2,955
square miles
Avg density
15.2
people per sq mi
Population
44,832
across 26 ZIPs
Deer River
645.2 sq mi
4,643 residents
Bigfork
379.6 sq mi
1,675 residents
Effie
329.6 sq mi
359 residents

All ZIP Codes in Itasca County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
55744Grand RapidsStandard20,295$70,644268.00.3%
56636Deer RiverStandard4,643$61,289645.2-7.8%
55709BoveyStandard4,628$75,652246.112.3%
55721CohassetStandard4,044$86,429132.813.5%
55769NashwaukStandard2,219$66,092183.5-9.9%
56628BigforkStandard1,675$61,250379.66.9%
55775PengillyStandard1,309$90,17958.09.4%
55753KeewatinPO Box1,215$53,6432.730.2%
55722ColerainePO Box963$68,6368.3-14.7%
55793WarbaStandard666$70,00076.922.2%
55764MarblePO Box541$63,5946.11.9%
55752JacobsonStandard446$73,214196.319.3%
56639EffieStandard359$30,625329.6-19.7%
55716CalumetPO Box279$43,0361.9-25.2%
56681Squaw LakeStandard267$50,83368.1-24.6%
55742GoodlandStandard259$64,25038.3-27.0%
56657MarcellStandard251$72,62972.715.1%
56637TalmoonStandard153$58,75018.9-34.9%
55784Swan RiverStandard149$58,59431.169.3%
56680Spring LakeStandard137$51,25041.517.1%
56659MaxStandard122$98,75029.4103.3%
55786TaconitePO Box118$61,5972.7-63.7%
56688WirtStandard94$71,250117.0-34.7%
56631BowstringPO Box0.0
55745Grand RapidsUnique0.0
55730Grand RapidsPO Box0.0

Adjacent & Nearby Counties