Allamakee County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 57th-largest in Iowa
The population of Allamakee County, Iowa is 14,038 as of the 2023 American Community Survey, making it the 57th-largest county in Iowa. The median household income is $66,000, the median home value is $171,900, and the median age is 43.1.
The population of Allamakee County has declined 1.3% since 2010 (14,377 → 14,184), a -0.10% annualized rate.
14,038
Population
-0.10%
Annual growth
22
People / sq mi
$66,000
Median Income
$171,900
Median Home Value
Allamakee County covers 639 sq mi of land at 22.0 people per square mile.
About Allamakee County, IA
Homeownership is the standout figure in Allamakee County: 78.8% of homes are owner-occupied, higher than the national rate. With 14,038 residents, Allamakee County is a county in Iowa.
Median household income is $66,000, below the US median of $78,538. The poverty rate is 9.4%, below the national 12.4%. Homes carry a median value of $171,900, with typical rent around $717.
Roughly 19.9% of adults have a bachelor’s, below the national 35.0%. About 8.5% of the workforce is home-based, below the national 14.0%, and the average commute runs about 23 minutes each way.
The ownership rate anchors the housing story in Allamakee County, and tends to move with the age structure and home-value figures above.
Allamakee County Population History (2010-2024)
The county of Allamakee County had a population of 14,377 in 2010 and 14,184 in 2024, a -1.3% growth over 14 years. The peak was 14,377 in 2010. Average annual growth rate: -0.09%.
14,184
Population (2024)
14,377
Population (2010)
14,377
Peak (2010)
-0.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 14,377 |
| 2011 | 14,224 |
| 2012 | 14,150 |
| 2013 | 14,074 |
| 2014 | 14,067 |
| 2015 | 13,881 |
| 2016 | 13,847 |
| 2017 | 13,812 |
| 2018 | 13,832 |
| 2019 | 13,671 |
| 2020 | 14,069 |
| 2021 | 13,965 |
| 2022 | 14,072 |
| 2023 | 14,168 |
| 2024 | 14,184 |
Race & Ethnicity
| White | 90.4% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
43.1
Median Age
49.1%
Female
50.9%
Male
22.7%
Age 65+
Age Distribution
Children (under 15): 20.2% · Seniors (65+): 22.7%
Income & Poverty
| Median household income | $66,000$-7,147 vs state |
| Mean household income | $84,448 |
| Per-capita income | $34,692 |
| Poverty rate | 9.4%+2.5% vs state |
| Unemployment rate | 2.3% |
| Employment-to-population | 61.5% |
Top Industries by Employment
The largest employment sector in Allamakee County is professional & business services, accounting for 23.3% of workers.
How residents commute
0.0%
Drive alone
6.2%
Carpool
73.9%
Public transit
8.5%
Work from home
23.4 min
Avg commute
Housing
$171,900$-24,000 vs state
Median home value
$717
Median rent
78.8%
Homeownership rate
7,730
Total housing units
77.9%
Occupied
22.1%
Vacant
21.2%
Renter-occupied
Social & access
93.4%
With health insurance
89.0%
With broadband internet
31.2%
Foreign-born
6.7%
Veterans (18+)
12.5%
With a disability
86.3%
Speak language other than English at home
Education
92.5%
High School+
19.9%
Bachelor's+
Largest cities in Iowa
Other counties in Iowa
Part of Iowa
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County rankings
Frequently Asked Questions
Allamakee County, Iowa has a population of 14,038 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 57th-largest county in Iowa. Population density is 22 people per square mile.
The population of Allamakee County has declined 1.3% since 2010 (14,377 → 14,184), a -0.10% annualized rate.
The median household income in Allamakee County, Iowa is $66,000, with mean (average) household income of $84,448 and per-capita income of $34,692. 9.4% of residents live below the federal poverty level.
In Allamakee County, the largest racial and ethnic groups are White (90.4%), Black or African American (1.8%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Allamakee County, Iowa is 43.1 years. Residents are 49.1% female and 50.9% male.
The median home value in Allamakee County is $171,900 and median monthly rent is $717. 78.8% of occupied housing units are owner-occupied. The county has 7,730 total housing units, 22.1% of which are vacant.
The largest employment sector in Allamakee County, Iowa is professional, scientific, and management services, employing 23.3% of workers. The unemployment rate is 2.3%.
Des Moines is among the largest cities associated with Allamakee County, Iowa, with a population of 212,464.
Allamakee County, IA Climate
Allamakee County, IA has an average annual temperature of 7.6°C (46°F) and receives about 824 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.6°C
Avg Temp
824
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -9° / 15° | 27 mm |
| February | -6° / 21° | 27 mm |
| March | 1° / 33° | 54 mm |
| April | 8° / 47° | 85 mm |
| May | 15° / 58° | 86 mm |
| June | 20° / 67° | 106 mm |
| July | 22° / 72° | 92 mm |
| August | 21° / 70° | 102 mm |
| September | 16° / 61° | 92 mm |
| October | 10° / 49° | 59 mm |
| November | 1° / 34° | 54 mm |
| December | -6° / 21° | 40 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Allamakee County, IA
The most comfortable months to visit Allamakee County, IA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -14°C low). June is usually the wettest month.
Where to stay near Allamakee County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.