Decorah, IA 52101 ZIP Code Profile


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ZIP Code 52101: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Decorah, IA 52101

Acceptable Alternative
Burr Oak, IA 52101

Not Acceptable, USPS
Bluffton, IA 52101
Freeport, IA 52101
Hesper, IA 52101
Locust, IA 52101
Nordness, IA 52101
Quandahl, IA 52101
Sattre, IA 52101

  • ZIP Code Type: STANDARD
  • County: Winneshiek County
  • Centroid: Latitude 43.392, Longitude -91.883
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 52101 has segments in 2 Counties (Allamakee, Winneshiek).

  • Businesses Addresses: 604
  • PO Box Addresses: 173
  • Residential Addresses: 5,361
    • Multi-Family Addresses: 499
    • Single Family Addresses: 4,862

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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52101 ZIP Code Map

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Decorah, IA 52101 Data & Demographics (As of July 1, 2017)


Total Population 13,993
Daytime Population: Workers 10,473
Daytime Population: Residents 6,022
Total Daytime Population (TDP) 16,495
Ratio TDP/Total Population1 1.18
Population in Households 11,853
Population in Familes 9,211
Population in Group Qrtrs 2,140
Population Density2 42
Diversity Index3 14


Median Household Income $57,474
Average Household Income $72,151
Per Capita Income $28,448


Total Housing Units 5,772 (100%)
Owner Occupied HU 3,798 (65.8%)
Renter Occupied HU 1,405 (24.3%)
Vacant Housing Units 569 ( 9.9%)
Median Home Value $193,736
Average Home Value $222,374


Total Households 5,203
Average Household Size 2.28
Family Households 3,224
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.0% -0.11%
Households 0.18% -0.08%
Families 0.04% -0.17%
Median Household Income   2.4%
Per Capita Income   2.13%

Decorah, IA 52101 - Peer Comparisons by Rank and Percentile

The table below compares 52101 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 60 94th
Population Density # 298 69th
Diversity Index # 288 70th
Median Household Income # 326 66th
Per Capita Income # 439 55th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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