County · Iowa

Allamakee County, Iowa

Allamakee County, Iowa. Allamakee County had 14,238 residents in 2025 by the Census Bureau's estimate, up 1.3% since 2020, in line with Iowa (+1.5%). It holds 6 places (6 cities, villages and boroughs) and 5 census tracts. GEOID 19005.

Residents, July 2025 estimate

14,238

Census Bureau estimate (no margin published)
2020 Census count: 14,061 · ACS 2020-2024: 14,092

Median household income

$70,694

±$3,984 (90% margin)
Iowa: $75,059

Median home value

$172,300

±$11,049 (90% margin)
Iowa: $208,000

Median gross rent

$796

±$116 (90% margin)
Iowa: $972

How many people live in Allamakee County, and is it growing?

The 2020 Census counted 14,061 residents in Allamakee County. The Census Bureau estimates 14,238 for July 1, 2025, up 1.3% since 2020, in line with Iowa (+1.5%). The 2020-2024 American Community Survey puts the population at 14,092 over 639 square miles of land.

  • July 2020→2021 −95 (13,977)
  • 2021→2022 +118 (14,095)
  • 2022→2023 +68 (14,163)
  • 2023→2024 +43 (14,206)
  • 2024→2025 +32 (14,238)
Allamakee County in Iowa. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureAllamakee CountyIowaChange since 2015-2019
Total population14,0923,210,507+279
Households5,950±1961,315,707no clear change
Average household size2.32±0.082.36no clear change
Housing units7,761±471,437,699no clear change

Allamakee County's population since 2000

From 14,675 in 2000 to 14,238 in 2025: down 3.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 14,675
  • 2005 (estimate) 14,371
  • 2010 Census 14,330
  • 2015 (estimate) 13,881
  • 2020 Census 14,061
  • 2025 (estimate) 14,238

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Allamakee County?

Allamakee County holds 6 places: 6 cities, villages and boroughs (incorporated places). The largest is Waukon with 3,849 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Allamakee County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Waukoncity3,8273,792±21$60,269$147,20010.0%100%
Postvillecity2,5032,979±341$49,485$104,70023.7%89%
Lansingcity9681,115±176$65,625$167,5005.1%100%
New Albincity432399±144$61,953$134,6003.5%100%
Harpers Ferrycity262253±68$44,107$174,2009.9%100%
WatervilleGEOID 1982470city109137±73$44,750$99,0006.6%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Allamakee County?

The median resident of Allamakee County is 43.1 years old; 24.5% are under 18 and 23.1% are 65 or older. The largest group is non-Hispanic white residents at 86.5%, then Hispanic or Latino residents (of any race) at 9.1%. 7.2% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureAllamakee CountyIowaChange since 2015-2019
Median age43.1±0.738.6−1.3
Under 18 years24.5%±0.5 pts22.9%–
65 years and over23.1%±0.2 pts18.1%–
Hispanic or Latino (any race)9.1%7.3%+2.5 pts
White alone, not Hispanic86.5%±0.8 pts82.3%−4.0 pts
Black or African American alone, not Hispanic1.8%±0.3 pts3.8%no clear change
Asian alone, not Hispanic0.4%±0.2 pts2.5%no clear change
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.2 pts0.2%–
Two or more races, not Hispanic2.0%±0.9 pts3.5%–
Some other race alone, not Hispanic0.0%±0.1 pts0.3%–
Born outside the United States7.2%±1.2 pts5.9%+1.9 pts
Speak a language other than English at home (age 5+)12.7%±1.7 pts9.1%–
Civilian veterans (age 18+)6.3%±1.2 pts6.5%–
With a disability12.4%±1.5 pts12.6%–
No health insurance coverage7.0%±1.9 pts5.0%no clear change
High school graduate or higher (age 25+)92.6%±1.4 pts93.3%–
Bachelor's degree or higher (age 25+)22.2%±2.3 pts31.4%+4.4 pts
Graduate or professional degree (age 25+)6.7%±1.4 pts10.5%–
Moved from another state in the past year0.8%±0.6 pts2.2%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Allamakee County earn?

Half of Allamakee County's 5,950 households earn less than $70,694 a year (±$3,984), against $75,059 in Iowa. In 2015-2019 the median was $64,262 in 2024 dollars, so it rose by $6,432 after inflation. 10.1% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureAllamakee CountyIowaChange since 2015-2019
Median household income$70,694±$3,984$75,059+$6,432
Mean household income$88,120±$6,010$98,187–
Per capita income$35,863±$2,192$40,877no clear change
People below the poverty line10.1%±2.0 pts11.1%no clear change
Children under 18 below the poverty line13.5%±5.1 pts12.9%no clear change
Households receiving SNAP8.3%±2.3 pts8.8%–
Households with a broadband subscription86.0%±2.3 pts88.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Allamakee County?

Owners occupy 79.6% of Allamakee County's occupied homes and renters 20.4%. The median owner-occupied home is valued at $172,300 by its owner (±$11,049). The median renter pays $796 a month including utilities, and 29.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureAllamakee CountyIowaChange since 2015-2019
Median home value (owner-occupied)$172,300±$11,049$208,000no clear change
Median gross rent$796±$116$972no clear change
Renters paying 35% or more of income on rent29.7%±9.7 pts35.2%no clear change
Median monthly owner costs, with a mortgage$1,383±$92$1,533–
Owner-occupied homes79.6%±3.5 pts71.7%no clear change
Housing units7,761±471,437,699no clear change
Homeowner vacancy rate1.3%±1.4 pts0.8%–
Rental vacancy rate6.0%±5.5 pts5.7%–
Single-family detached homes74.8%±2.8 pts72.2%–
Mobile homes13.8%±2.1 pts3.2%–
Built 2020 or later0.6%±0.5 pts1.7%–
Built 1939 or earlier28.4%±2.7 pts23.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Allamakee County building?

Builders took permits for 98 new housing units across Allamakee County in 2025 (50 single-family), 6.9 per 1,000 residents.

  • 2019 43 units
  • 2020 38 units
  • 2021 66 units
  • 2022 61 units
  • 2023 49 units
  • 2024 89 units
  • 2025 98 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Allamakee County get to work?

74.7% of Allamakee County's workers drive alone and 7.1% work from home. The average trip to work takes 22.2 minutes. The unemployment rate in 2020-2024 averaged 2.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureAllamakee CountyIowaChange since 2015-2019
In the labor force (age 16+)64.5%±2.4 pts66.4%–
Unemployment rate2.5%±1.0 pts3.6%no clear change
Drove alone to work74.7%±3.4 pts76.0%–
Carpooled8.3%±2.7 pts7.8%–
Public transportation0.0%±0.1 pts0.7%–
Walked7.3%±1.7 pts2.9%–
Worked from home7.1%±1.9 pts11.3%no clear change
Mean travel time to work22.2 min±1.619.8 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Allamakee County's census tracts?

Allamakee County is divided into 5 census tracts. Among those with a reliable estimate, median household income runs from $61,388 (Tract 9603) to $83,077 (Tract 9602).

Census tracts of Allamakee County, ACS 2020-2024 5-year estimates; sort by any column
Tract 960119005960100Lansing (23%)2,0831,916±241$69,625$182,800$5859.0%
Tract 960219005960200New Albin (13%)2,4072,286±187$83,077$217,000$5701.7%
Tract 960319005960300Waukon (90%)3,9894,166±271$61,388$149,900$9559.0%
Tract 960419005960400Harpers Ferry (14%)2,1082,028±183$72,386$245,900$7526.3%
Tract 960519005960500Postville (30%)3,4743,696±307$71,094$128,900$86819.1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Allamakee County compare with Iowa's other counties?

Allamakee County's rank among Iowa's counties with a reliable estimate (1 = highest)
MeasureRank
Population57th of 99
Growth 2020-202519th of 99
Residents per square mile67th of 99
Median household income54th of 99
Median home value41st of 99
Median gross rent58th of 99
Poverty rate50th of 99
Bachelor's degree or higher51st of 99
Median age34th of 99

Every county in Iowa

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Allamakee County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.