Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/MN/COUNTY/CASS

Cass County, MN ZIP codes

There are 14 ZIP codes in Cass County, MN, in 14 towns, from 56430 to 56672. The largest are 56472 (Pequot Lakes), 56474 (Pine River) and 56633 (Cass Lake). 1 more crosses into it from a neighbouring county: 56636.

The county seat is Walker.

ZIP codes
14
Partly in it
1 more
Towns
14
County seat
Walker
County FIPS
27021
Population
30,992
Median household income
$68,874
Land area
2,021 sq mi
Area code
218
Metro area
Brainerd

Cass County ZIP codes by town

Walker (county seat)
56484

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.

ZIP codes partly in Cass County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Cass County.

Map of Cass County ZIP codes

The ZIP codes of Cass 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.

Cass County in numbers

About 30,992 people live in Cass County, in 12,874 households, the 34th most populous of Minnesota's 87 counties. The median household income is $68,874 a year, 23% below the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $288,300 (12% below the Minnesota median), and median gross rent is $863 a month. The median age is 49.9; 26.0% of adults 25 and over hold a bachelor's degree or higher (39.4% across Minnesota); the average commute takes 25 minutes.

Population30,992Cass30,992
Households12,874Cass12,874
Median age49.9Cass49.9Minnesota38.8US 38.9
Median household income$68,874Cass$68,874Minnesota$89,062US $80,734
Median home value$288,300Cass$288,300Minnesota$329,300US $332,700
Median gross rent$863Cass$863Minnesota$1,280US $1,413
Bachelor's degree or higher26.0%Cass26.0%Minnesota39.4%US 35.7%
Mean commute25.2 minCass25.2 minMinnesota22.7 minUS 26.4 min
Population density15 / sq miCass15 / 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 Cass County

Largest towns in Cass County
TownZIP codesPopulation
Pequot Lakes 1 2,079
Pine River 1 906
Walker 1 848
Cass Lake 1 635
Outing 1 624
Motley 1 608
Pillager 1 547
Remer 1 371
Backus 1 291
Hackensack 1 248
Federal Dam 1 142
Longville 1 138
Bena 1 79

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 Cass County.

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

Every ZIP code in Cass County, with figures

ZIP codes in Cass County
ZIP City Type Population Median income Median home
56430 Ah Gwah Ching , MN No street area — — —
56435 Backus , MN Standard 2,801 $62,381 $256,800
56452 Hackensack , MN Standard 1,936 $62,941 $352,700
56466 Motley , MN Standard 3,284 $61,910 $237,100
56472 Pequot Lakes , MN Standard 8,830 $81,328 $342,500
56473 Pillager , MN Standard 3,518 $85,950 $295,300
56474 Pine River , MN Standard 4,475 $59,922 $238,600
56484 Walker , MN Standard 3,252 $67,019 $311,200
56626 Bena , MN Standard 254 $44,853 $150,000
56633 Cass Lake , MN Standard 4,802 $67,981 $166,400
56641 Federal Dam , MN Standard 339 $39,688 $159,000
56655 Longville , MN Standard 1,351 $57,404 $335,200
56662 Outing , MN Standard 624 $69,643 $428,900
56672 Remer , MN Standard 2,052 $61,842 $274,000

Cite this page

zipcodes.pro. “Cass County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mn/county/cass

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