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zipcodes.pro — STATE/MN/COUNTY/ISANTI

Isanti County, MN ZIP codes

Isanti County, MN has 5 ZIP codes, in 5 towns: 55008, 55040, 55080, 55017 and 55029. 3 more cross into it from neighbouring counties: 55371, 55056 and 55006.

The county seat is Cambridge.

ZIP codes
5
Partly in it
3 more
Towns
5
County seat
Cambridge
County FIPS
27059
Population
42,596
Median household income
$87,440
Land area
436 sq mi
Area codes
612, 763

Isanti County ZIP codes by town

Cambridge (county seat)
55008

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 Isanti County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Isanti County.

Map of Isanti County ZIP codes

5500855017550295504055080

The ZIP codes of Isanti 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.

Isanti County in numbers

About 42,596 people live in Isanti County, in 16,293 households, the 24th most populous of Minnesota's 87 counties. The median household income is $87,440 a year, about the same as the Minnesota median of $89,062 (US: $80,734). The median owner-occupied home is valued at $306,200 (7% below the Minnesota median), and median gross rent is $1,273 a month. The median age is 40.2; 20.7% of adults 25 and over hold a bachelor's degree or higher (39.4% across Minnesota); the average commute takes 31 minutes.

Population42,596Isanti42,596
Households16,293Isanti16,293
Median age40.2Isanti40.2Minnesota38.8US 38.9
Median household income$87,440Isanti$87,440Minnesota$89,062US $80,734
Median home value$306,200Isanti$306,200Minnesota$329,300US $332,700
Median gross rent$1,273Isanti$1,273Minnesota$1,280US $1,413
Bachelor's degree or higher20.7%Isanti20.7%Minnesota39.4%US 35.7%
Mean commute30.7 minIsanti30.7 minMinnesota22.7 minUS 26.4 min
Population density98 / sq miIsanti98 / 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 Isanti County

Largest towns in Isanti County
TownZIP codesPopulation
Cambridge 1 10,307
Isanti 1 7,210
Dalbo 1 799
Stanchfield 1 100
Grandy 1 31

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 Isanti County.

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

Every ZIP code in Isanti County, with figures

ZIP codes in Isanti County
ZIP City Type Population Median income Median home
55008 Cambridge , MN Standard 16,729 $84,513 $290,700
55017 Dalbo , MN Standard 799 $62,188 $325,500
55029 Grandy , MN Standard 31 $74,167 —
55040 Isanti , MN Standard 14,837 $90,900 $314,000
55080 Stanchfield , MN Standard 3,180 $101,964 $355,900

Cite this page

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

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