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Hamilton township, Iowa

Hamilton township profile, demographic data, and geographic information.

Hamilton township is a geographic entity located in Decatur County, Iowa. As of official census estimates, it has a reported population of 113. The land area covers 25.20 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 113 ±55 2020-2024 / Census ACS 5-Year 2024
Median Age 59.2 yrs ±17.5 2020-2024 / Census ACS 5-Year 2024
Total Households 55 ±27 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 93 ±38
Occupied Housing Units 55 ±27
Vacant Housing Units 38 ±27
Median Home Value Suppressed —
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 $48,942 ±$10,314
Per Capita Income $31,750 ±$8,184
Poverty Rate 0% ±8.8%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±27%
Civilian Labor Force, Employed 37 ±26
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
COUNTY OF DECATUR
GUS Population: 7,656 (2024)
ID: 164245
County Official County Government
Contact: CHAIRMAN DECATUR COUNTY BOARD OF SUPERVISORS
207 N MAIN ST, LEON IA 50144-1647

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 CAINSVILLE, MO
Regular School Nearby 06-12 CAINSVILLE, MO
Regular School Nearby 07-12 Leon, IA
Regular School Nearby PK-05 Lamoni, IA
Regular School Nearby 09-12 Lamoni, IA
Regular School Nearby 06-08 Lamoni, IA
Regular School Nearby 07-12 MERCER, MO
Regular School Nearby PK-05 EAGLEVILLE, MO
Regular School Nearby 06-12 EAGLEVILLE, MO
Regular School Nearby PK-06 MERCER, MO
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 8 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Graceland University-Lamoni
College 9.9 mi away 1 University Place, Lamoni, IA, 50140
6417845000
LEON PUBLIC LIBRARY
Library 9.1 mi away 200 W 1ST ST, LEON, IA, 50144
(641) 446-6332
LAMONI PUBLIC LIBRARY
Library 10.5 mi away 301 W MAIN, LAMONI, IA, 50140
(641) 784-6686
MERCER COUNTY LIBRARY
Library 16.4 mi away 601 W GRANT ST, PRINCETON, MO, 64673
(660) 748-3725
GARDEN GROVE PUBLIC LIBRARY
Library 16.5 mi away 103 W MAIN ST, GARDEN GROVE, IA, 50103
(641) 443-2172
ALLERTON PUBLIC LIBRARY
Library 20.6 mi away 103 S CENTRAL, ALLERTON, IA, 50008
(641) 873-4575
HUMESTON PUBLIC LIBRARY
Library 21.4 mi away 302 BROAD ST, HUMESTON, IA, 50123
(641) 877-4811
KARL MILES LECOMPTE MEMORIAL LIBRARY
Library 24.2 mi away 110 S FRANKLIN ST, CORYDON, IA, 50060
(641) 872-1621
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 LAMONI MUNI AP, IA US, located 8.8 miles from Hamilton township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.1° 15.6° 24.3° 1.04" —
February 38.1° 19.6° 28.8° 1.35" —
March 50.8° 30.7° 40.8° 2.20" —
April 62.5° 41.4° 52.0° 4.25" —
May 72.0° 52.5° 62.3° 5.14" —
June 81.5° 62.2° 71.8° 4.81" —
July 85.4° 66.2° 75.8° 4.11" —
August 83.8° 63.9° 73.9° 4.38" —
September 76.5° 55.2° 65.9° 3.71" —
October 64.0° 43.3° 53.6° 2.82" —
November 49.7° 31.1° 40.4° 2.09" —
December 37.7° 20.9° 29.3° 1.48" —
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
Pleasanton city City 1.8 mi —
Davis City city City 4.5 mi —
Leon city City 9.2 mi —
Lamoni city City 10.2 mi —
Decatur city City 10.6 mi —
Lineville city City 11.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1905391806. • 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.