Jefferson township, Iowa
Jefferson township profile, demographic data, and geographic information.
Jefferson township is a geographic entity located in Allamakee County, Iowa. As of official census estimates, it has a reported population of 519. The land area covers 35.74 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 519 | ±127 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 50.6 yrs | ±5.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 236 | ±68 | 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 | 272 | ±78 |
| Occupied Housing Units | 236 | ±68 |
| Vacant Housing Units | 36 | ±54 |
| Median Home Value | $245,000 | ±$161,095 |
| 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 | $86,250 | ±$38,952 |
| Per Capita Income | $49,513 | ±$9,131 |
| Poverty Rate | 2.5% | ±2.6% |
| Population Below Poverty Level | 13 | ±14 |
| Unemployment Rate | 0% | ±3% |
| Civilian Labor Force, Employed | 335 | ±95 |
| Broadband Internet Rate | 90.3% | ±14.3% |
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: 14,184 (2024)
ID: 164234
|
County | Official County Government |
Contact: BOARD OF SUPERVISORS
110 ALLAMAKEE ST, WAUKON IA 52172-1744
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Jefferson | PK-04 | Jefferson, IA | |
| Regular School Jefferson | 09-12 | Jefferson, IA | |
| Regular School Jefferson | 05-08 | Jefferson, IA | |
| Regular School Nearby | PK-02 | Prairie du Chien, WI | |
| Regular School Nearby | PK-06 | Postville, IA | |
| Alternative School Nearby | 12 | Prairie du Chien, WI | |
| Regular School Nearby | 09-12 | De Soto, WI | |
| Regular School Nearby | 06-08 | De Soto, WI | |
| Regular School Nearby | KG-12 | De Soto, WI | |
| Regular School Nearby | 03-05 | Waukon, 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 |
|---|---|---|---|---|
|
Luther College
|
College | 20.1 mi away | 700 College Drive, Decorah, IA, 52101-1045 |
5633872000
|
|
ROBEY MEMORIAL LIBRARY
|
Library | 4.8 mi away | 401 FIRST AVE NW, WAUKON, IA, 52172 |
(563) 568-4424
|
|
Northeast Iowa Community College
|
College | 22.2 mi away | 1625 Hwy 150, Calmar, IA, 52132-0400 |
8446422338
|
|
WATERVILLE PUBLIC LIBRARY
|
Library | 6.7 mi away | 115 MAIN ST, WATERVILLE, IA, 52170 |
(563) 535-7295
|
|
MURPHY HELWIG LIBRARY
|
Library | 11.1 mi away | 111 N PAGE ST, MONONA, IA, 52159 |
(563) 539-2356
|
|
POSTVILLE PUBLIC LIBRARY
|
Library | 11.3 mi away | 235 W TILDEN ST, POSTVILLE, IA, 52162 |
(563) 864-7600
|
|
DOLORES TILLINGHAST MEMORIAL LIBRARY
|
Library | 14.0 mi away | 234 N 4TH ST, HARPERS FERRY, IA, 52146 |
(563) 586-2524
|
|
MEEHAN MEMORIAL LANSING PUBLIC LIBRARY
|
Library | 14.8 mi away | 515 MAIN ST, LANSING, IA, 52151 |
(563) 538-4693
|
|
OSSIAN PUBLIC LIBRARY
|
Library | 17.6 mi away | 123 W MAIN ST, OSSIAN, IA, 52161 |
(563) 532-9461
|
|
FARMERSBURG PUBLIC LIBRARY
|
Library | 17.7 mi away | 208 S MAIN, FARMERSBURG, IA, 52047 |
(563) 536-2229
|
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 WAUKON, IA US, located 4.8 miles from Jefferson township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 24.0° | 8.4° | 16.2° | 1.23" | — |
| February | 29.0° | 12.0° | 20.5° | 1.25" | — |
| March | 41.5° | 22.8° | 32.2° | 2.03" | — |
| April | 55.7° | 34.3° | 45.0° | 4.06" | — |
| May | 67.5° | 45.7° | 56.6° | 4.66" | — |
| June | 77.3° | 57.7° | 67.5° | 5.92" | — |
| July | 81.3° | 61.6° | 71.5° | 4.73" | — |
| August | 79.0° | 59.3° | 69.1° | 4.70" | — |
| September | 72.2° | 50.7° | 61.4° | 3.92" | — |
| October | 58.7° | 38.7° | 48.7° | 2.85" | — |
| November | 42.5° | 26.5° | 34.5° | 2.27" | — |
| December | 29.4° | 15.0° | 22.2° | 1.57" | — |
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 |
|---|---|---|---|
| Waukon city | City | 4.7 mi | — |
| Waterville city | City | 6.7 mi | — |
| Luana city | City | 10.6 mi | — |
| Postville city | City | 11.2 mi | — |
| Monona city | City | 11.3 mi | — |
| Harpers Ferry city | City | 14.0 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1900592202. • 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.