Sumner township, Iowa
Sumner township profile, demographic data, and geographic information.
Sumner township is a geographic entity located in Iowa County, Iowa. As of official census estimates, it has a reported population of 598. The land area covers 36.41 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 598 | ±291 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 39.6 yrs | ±12.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 192 | ±75 | 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 | 192 | ±75 |
| Occupied Housing Units | 192 | ±75 |
| Vacant Housing Units | 0 | ±10 |
| Median Home Value | $220,200 | ±$42,138 |
| 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 | $73,977 | ±$25,922 |
| Per Capita Income | $30,899 | ±$12,010 |
| Poverty Rate | 2.8% | ±4.1% |
| Population Below Poverty Level | 17 | ±26 |
| Unemployment Rate | 1.1% | ±1.7% |
| Civilian Labor Force, Employed | 276 | ±127 |
| Broadband Internet Rate | 100% | ±0% |
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 |
|---|---|---|---|
|
GUS Population: 16,423 (2024)
ID: 164254
|
County | Official County Government |
Contact: CHAIRMAN
970 COURT AVE, MARENGO IA 52301
|
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 | PK-04 | Middle Amana, IA | |
| Regular School Nearby | 07-12 | Belle Plaine, IA | |
| Regular School Nearby | PK-05 | North English, IA | |
| Regular School Nearby | 06-12 | North English, IA | |
| Regular School Nearby | PK-06 | Victor, IA | |
| Regular School Nearby | 07-12 | Victor, IA | |
| Regular School Nearby | PK-06 | Marengo, IA | |
| Regular School Nearby | 07-12 | Marengo, IA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 1 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
MARENGO PUBLIC LIBRARY
|
Library | 6.3 mi away | 235 E HILTON ST, MARENGO, IA, 52301 |
(319) 741-3825
|
|
WILLIAMSBURG PUBLIC LIBRARY
|
Library | 7.9 mi away | 300 W STATE ST, WILLIAMSBURG, IA, 52361 |
(319) 668-1195
|
|
VICTOR PUBLIC LIBRARY
|
Library | 8.3 mi away | 710 2ND ST, VICTOR, IA, 52347 |
(319) 647-3646
|
|
MILLERSBURG COMMUNITY LIBRARY
|
Library | 10.6 mi away | 847 JACKSON ST, MILLERSBURG, IA, 52308 |
(319) 655-7005
|
|
BLAIRSTOWN PUBLIC LIBRARY
|
Library | 13.1 mi away | 305 LOCUST ST NW SUITE 2, BLAIRSTOWN, IA, 52209 |
(319) 454-6497
|
|
BELLE PLAINE COMMUNITY LIBRARY
|
Library | 13.8 mi away | 904 12TH ST, BELLE PLAINE, IA, 52208 |
(319) 444-2902
|
|
NORTH ENGLISH PUBLIC LIBRARY
|
Library | 14.9 mi away | 123 S MAN, NORTH ENGLISH, IA, 52316 |
(319) 664-3725
|
|
BROOKLYN PUBLIC LIBRARY
|
Library | 15.9 mi away | 306 JACKSON ST, BROOKLYN, IA, 52211 |
(641) 522-9272
|
|
NORWAY PUBLIC LIBRARY
|
Library | 16.6 mi away | 108 RAILROAD ST, NORWAY, IA, 52318 |
(319) 227-7487
|
|
OXFORD PUBLIC LIBRARY
|
Library | 17.9 mi away | 112 N AUGUSTA AVE, OXFORD, IA, 52322 |
(319) 828-4087
|
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 WILLIAMSBURG 1E, IA US, located 8.3 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 | 28.4° | 10.4° | 19.4° | 1.16" | 7.6" |
| February | 33.0° | 14.3° | 23.7° | 1.46" | 7.7" |
| March | 46.5° | 25.8° | 36.1° | 2.19" | 3.6" |
| April | 60.4° | 36.4° | 48.4° | 3.92" | 0.9" |
| May | 71.3° | 48.9° | 60.1° | 4.85" | 0.1" |
| June | 80.5° | 59.4° | 69.9° | 4.80" | 0.0" |
| July | 84.0° | 62.6° | 73.3° | 4.32" | 0.0" |
| August | 82.1° | 59.7° | 70.9° | 4.47" | 0.0" |
| September | 76.3° | 50.7° | 63.5° | 3.80" | 0.0" |
| October | 63.0° | 38.6° | 50.8° | 2.83" | 0.3" |
| November | 47.3° | 26.9° | 37.1° | 2.20" | 1.6" |
| December | 34.2° | 16.3° | 25.3° | 1.69" | 6.3" |
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 |
|---|---|---|---|
| Ladora city | City | 3.3 mi | — |
| Marengo city | City | 6.1 mi | — |
| Conroy CDP | CDP | 7.2 mi | — |
| Williamsburg city | City | 7.5 mi | — |
| Victor city | City | 8.1 mi | — |
| South Amana CDP | CDP | 9.7 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1909594050. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.