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Sumner township, Iowa

Sumner township profile, demographic data, and geographic information.

Sumner township is a geographic entity located in Winneshiek County, Iowa. As of official census estimates, it has a reported population of 375. The land area covers 35.56 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 375 ±162 2020-2024 / Census ACS 5-Year 2024
Median Age 28.5 yrs ±19.2 2020-2024 / Census ACS 5-Year 2024
Total Households 151 ±56 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 151 ±56
Occupied Housing Units 151 ±56
Vacant Housing Units 0 ±10
Median Home Value $279,200 ±$152,501
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $100,718 ±$41,366
Per Capita Income $56,151 ±$26,522
Poverty Rate 5.1% ±7.4%
Population Below Poverty Level 19 ±29
Unemployment Rate 0% ±4.3%
Civilian Labor Force, Employed 233 ±117
Broadband Internet Rate 90.7% ±13.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
COUNTY OF WINNESHIEK
GUS Population: 19,723 (2024)
ID: 204454
County Official County Government
Contact: SUPERVISOR
201 W MAIN ST, DECORAH IA 52101-1775

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Sumner PK-04 Sumner, IA
Regular School Sumner 09-12 Sumner, IA
Regular School Nearby 03-04 Decorah, IA
Regular School Nearby PK Cresco, IA
Regular School Nearby KG-04 Cresco, IA
Regular School Nearby 09-12 Cresco, IA
Regular School Nearby 05-08 Cresco, IA
Regular School Nearby 09-12 Decorah, IA
Regular School Nearby 05-08 Decorah, IA
Regular School Nearby KG-02 Decorah, IA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Northeast Iowa Community College
College 8.2 mi away 1625 Hwy 150, Calmar, IA, 52132-0400
8446422338
SPILLVILLE PUBLIC LIBRARY
Library 3.5 mi away 201 OAK ST, SPILLVILLE, IA, 52168
(563) 562-3723
Luther College
College 13.0 mi away 700 College Drive, Decorah, IA, 52101-1045
5633872000
FORT ATKINSON PUBLIC LIBRARY
Library 6.4 mi away 302 3RD NW, FORT ATKINSON, IA, 52144
(563) 534-2222
CALMAR PUBLIC LIBRARY
Library 8.1 mi away 101 S WASHINGTON ST, CALMAR, IA, 52132
(563) 562-3010
WAUCOMA PUBLIC LIBRARY
Library 10.8 mi away 103 1ST AVE SW, WAUCOMA, IA, 52171
(563) 776-4042
LAWLER PUBLIC LIBRARY
Library 11.8 mi away 412 E GROVE ST, LAWLER, IA, 52154
(563) 238-2191
CRESCO PUBLIC LIBRARY
Library 12.2 mi away 320 N ELM ST, CRESCO, IA, 52136
(563) 547-2540
DECORAH PUBLIC LIBRARY
Library 13.4 mi away 202 WINNEBAGO ST, DECORAH, IA, 52101
(563) 382-3717
OSSIAN PUBLIC LIBRARY
Library 13.7 mi away 123 W MAIN ST, OSSIAN, IA, 52161
(563) 532-9461
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CRESCO 1 NE, IA US, located 12.8 miles from Sumner township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 24.2° 5.7° 14.9° 1.12" 9.4"
February 28.8° 8.5° 18.6° 1.17" 10.0"
March 41.9° 21.0° 31.5° 1.89" 6.0"
April 57.1° 32.9° 45.0° 3.74" 2.4"
May 69.4° 45.3° 57.4° 4.47" 0.2"
June 79.3° 56.3° 67.8° 6.26" 0.0"
July 82.8° 60.0° 71.4° 4.83" 0.0"
August 80.8° 57.1° 68.9° 4.59" 0.0"
September 73.9° 48.4° 61.2° 3.76" 0.0"
October 60.1° 35.7° 47.9° 2.87" 0.2"
November 43.6° 24.1° 33.9° 1.88" 2.6"
December 30.1° 13.0° 21.5° 1.42" 9.5"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Protivin city City 3.4 mi —
Spillville city City 3.6 mi —
Ridgeway city City 6.0 mi —
Fort Atkinson city City 6.4 mi —
Jackson Junction city City 7.8 mi —
Calmar city City 8.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1919194056. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.