Skip to main content

Castle Grove township, Iowa

Castle Grove township profile, demographic data, and geographic information.

Castle Grove township is a geographic entity located in Jones County, Iowa. As of official census estimates, it has a reported population of 469. The land area covers 36.05 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 469 ±238 2020-2024 / Census ACS 5-Year 2024
Median Age 48 yrs ±29 2020-2024 / Census ACS 5-Year 2024
Total Households 145 ±52 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 169 ±64
Occupied Housing Units 145 ±52
Vacant Housing Units 24 ±34
Median Home Value $242,900 ±$143,536
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 $116,652 ±$67,898
Per Capita Income $54,791 ±$15,547
Poverty Rate 0% ±2.1%
Population Below Poverty Level 0 ±10
Unemployment Rate 0% ±2.9%
Civilian Labor Force, Employed 340 ±163
Broadband Internet Rate 94.5% ±15.5%
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: 21,116 (2024)
ID: 164257
County Official County Government
Contact: COUNTY AUDITOR
PO BOX 109, ANAMOSA IA 52205-0109

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 Anamosa, IA
Regular School Nearby 05-08 Anamosa, IA
Regular School Nearby 05-06 Marion, IA
Regular School Nearby 02-04 Monticello, IA
Regular School Nearby 06-12 Cascade, IA
Regular School Nearby KG-05 Central City, IA
Regular School Nearby 06-12 Central City, IA
Regular School Nearby 03-05 Delhi, IA
Regular School Nearby 07-08 Marion, IA
Regular School Nearby KG-04 Marion, 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
Carlson College of Massage Therapy
College Vocational 10.6 mi away 11809 Country Rd X28, Anamosa, IA, 52205
3194623402
ROSS & ELIZABETH BATY MONTICELLO PUBLIC LIBRARY
Library 6.1 mi away 205 E GRAND ST, MONTICELLO, IA, 52310
(319) 465-3354
Divine Word College
College 23.0 mi away 102 Jacoby Dr SW, Epworth, IA, 52045
5638763353
HOPKINTON PUBLIC LIBRARY
Library 6.9 mi away 110 1ST ST SE, HOPKINTON, IA, 52237
(563) 926-2514
Cornell College
College 23.5 mi away 600 First St. SW, Mount Vernon, IA, 52314
3198954334
ANAMOSA LIBRARY & LEARNING CENTER
Library 10.2 mi away 600 E FIRST ST, ANAMOSA, IA, 52205
(319) 462-2183
Mount Mercy University
College 24.8 mi away 1330 Elmhurst Dr NE, Cedar Rapids, IA, 52402-4797
3193638213
CENTRAL CITY PUBLIC LIBRARY
Library 11.7 mi away 137 4TH ST N, CENTRAL CITY, IA, 52214
(319) 438-6685
COGGON PUBLIC LIBRARY
Library 11.7 mi away 202 MAIN ST, COGGON, IA, 52218
(319) 435-2542
DELHI PUBLIC LIBRARY
Library 12.3 mi away 311 FRANKLIN ST, DELHI, IA, 52223
(563) 922-2037
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 ANAMOSA 1 WNW, IA US, located 9.8 miles from Castle Grove township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.9° 8.8° 17.8° 1.47" —
February 31.7° 12.2° 21.9° 1.56" —
March 45.2° 24.5° 34.9° 1.80" —
April 59.4° 35.6° 47.5° 3.99" —
May 70.4° 47.0° 58.7° 4.80" —
June 80.1° 57.7° 68.9° 5.78" —
July 82.8° 61.8° 72.3° 5.23" —
August 81.0° 59.1° 70.1° 4.46" —
September 74.6° 49.6° 62.1° 3.72" —
October 61.4° 37.9° 49.6° 3.24" —
November 45.9° 26.0° 36.0° 2.26" —
December 33.1° 16.0° 24.6° 1.84" —
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
Prairieburg city City 6.2 mi —
Monticello city City 6.3 mi —
Hopkinton city City 6.9 mi —
Anamosa city City 10.1 mi —
Stone City CDP CDP 10.4 mi —
Ryan city City 11.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1910590519. • 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.