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zipcodes.pro — STATE/IA/COUNTY/ALLAMAKEE

Allamakee County, IA ZIP codes

There are 8 ZIP codes in Allamakee County, IA, in 8 towns, from 52140 to 52172. The largest are 52172 (Waukon), 52162 (Postville) and 52159 (Monona).

The county seat is Waukon.

ZIP codes
8
Towns
8
County seat
Waukon
County FIPS
19005
State
Iowa
Population
14,092
Median household income
$70,694
Land area
639 sq mi
Area code
563

Allamakee County ZIP codes by town

Waukon (county seat)
52172

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Allamakee County ZIP codes

5214052146521515215952160521625217052172

The ZIP codes of Allamakee County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Allamakee County in numbers

About 14,092 people live in Allamakee County, in 5,950 households, the 57th most populous of Iowa's 99 counties. The median household income is $70,694 a year, 6% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $172,300 (17% below the Iowa median), and median gross rent is $796 a month. The median age is 43.1; 22.2% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 22 minutes.

Population14,092Allamakee14,092
Households5,950Allamakee5,950
Median age43.1Allamakee43.1Iowa38.6US 38.9
Median household income$70,694Allamakee$70,694Iowa$75,059US $80,734
Median home value$172,300Allamakee$172,300Iowa$208,000US $332,700
Median gross rent$796Allamakee$796Iowa$972US $1,413
Bachelor's degree or higher22.2%Allamakee22.2%Iowa31.4%US 35.7%
Mean commute22.2 minAllamakee22.2 minIowa19.8 minUS 26.4 min
Population density22 / sq miAllamakee22 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Allamakee County

Largest towns in Allamakee County
TownZIP codesPopulation
Waukon 1 3,792
Postville 1 2,979
Monona 1 1,531
Lansing 1 1,115
Dorchester 1 671
New Albin 1 399
Harpers Ferry 1 253
Waterville 1 137

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Allamakee County.

Not sure you are in Allamakee County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Allamakee County, with figures

ZIP codes in Allamakee County
ZIP City Type Population Median income Median home
52140 Dorchester , IA Standard 671 $72,188 $208,300
52146 Harpers Ferry , IA Standard 752 $61,750 $234,700
52151 Lansing , IA Standard 1,886 $69,938 $177,500
52159 Monona , IA Standard 2,398 $74,259 $165,400
52160 New Albin , IA Standard 818 $85,204 $211,200
52162 Postville , IA Standard 3,744 $64,125 $133,100
52170 Waterville , IA Standard 555 $72,788 $222,700
52172 Waukon , IA Standard 5,877 $68,875 $166,100

Cite this page

zipcodes.pro. “Allamakee County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/allamakee

Underlying data is public domain or openly licensed — sources, vintages and licences.