Sumner is a city in Bremer County, Iowa, home to about 2,106 people across 2.5 square miles. Its ZIP code is 50674.
Homes sold for a median of $91 per square foot in the three months ending August 2026, a balanced market.
Mostly Sumner; also Frederika
Each card is that ZIP code’s whole market, including any part outside Sumner. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Des Moines International Airport (DSM)120 miles away |
|---|---|
| Closer regional airport | Waterloo Regional Airport (ALO)24 miles away |
| Nearest city of 250,000+ | Madison, WI137 miles away |
| Nearest city of 1 million+ | Chicago, IL237 miles away |
Straight-line distances from the center of Sumner; 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.
Sumner had 2,030 residents in the 2020 census, down 4% since 2000.
It’s the 162nd largest of 1,019 towns in Iowa by population.
Bremer County grew from 16,305 residents in 1900 to 24,988 in 2020.
Bremer County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 7°F. About 38.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Tripoli, IA weather station (7 miles away).
8,178 jobs at 552 businesses in Bremer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
18 doctors and other health care providers list an office in Sumner.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 2 |
| Physical and occupational therapists | 3 |
| Chiropractors | 1 |
| Pharmacies | 3 |
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.
Parks (3 nearby)
Libraries (1 nearby)
Counts are within about 1.5 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 Sumner-Fredericksburg Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Durant Elementary SchoolSumner | Pre-K–4 | 209 | Public | 0.9 mi |
| Sumner-Fredericksburg High SchoolSumner | 9–12 | 243 | Public | 1.0 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 Frederika.
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.