Spencer is a township in Aitkin County, Minnesota, home to about 562 people across 37 square miles. It has no ZIP code of its own: it’s part of 56431.
Homes sold for a median of $213 per square foot in the three months ending August 2026, a seller’s market.
Part is in Spencer, part in Aitkin City and Nordland
Each card is that ZIP code’s whole market, including any part outside Spencer. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Spencer’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)112 miles away |
|---|---|
| Closer regional airport | Brainerd Lakes Regional Airport (BRD)24 miles away |
| Nearest city of 250,000+ | Minneapolis, MN106 miles away |
| Nearest city of 1 million+ | Chicago, IL436 miles away |
Straight-line distances from the center of Spencer; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Spencer had 522 residents in the 2020 census, down 13% since 2000.
It’s the 963rd largest of 2,727 towns in Minnesota by population.
Aitkin County grew from 6,743 residents in 1900 to 15,697 in 2020.
Aitkin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 0°F. About 31.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Aitkin 2e, MN weather station (3 miles away).
3,632 jobs at 415 businesses in Aitkin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
83 doctors and other health care providers list an office in Spencer.
Nearest hospitals
Providers with an office here
| Primary care doctors | 18 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 16 |
| Physical and occupational therapists | 11 |
| Optometrists | 3 |
| Chiropractors | 2 |
| Pharmacies | 7 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 4 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Aitkin Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Rippleside ElementaryAitkin | Pre-K–6 | 476 | Public | 4.5 mi |
| Aitkin Secondary SchoolAitkin | 7–12 | 509 | Public | 4.9 mi |
| Aitkin Alternative Learning ProgramAitkin | 8–12 | 4 | Alternative Education | 4.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Aitkin City, Nordland, Farm Island, Aitkin Township, Hazelton Township (Aitkin County), Glen, Rabbit Lake, Malmo, Deerwood Township (Crow Wing County), Wealthwood, Fleming Township (Aitkin County), Ross Lake, Kimberly, Morrison, Second Assessment UT, Davidson UT and Lee Township (Aitkin County).
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.