Little Sioux, IA 51545 ZIP Code Profile

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Little Sioux, IA

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ZIP Code 51545: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Little Sioux, IA 51545

  • ZIP Code Type: STANDARD
  • County: Harrison County
  • Centroid: Latitude 41.807, Longitude -96.025
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51545 has segments in 2 Counties (Harrison, Monona).

  • Businesses Addresses: 8
  • PO Box Addresses: 0
  • Residential Addresses: 183
    • Multi-Family Addresses: 0
    • Single Family Addresses: 183

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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


51545 ZIP Code Map

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Little Sioux, IA 51545 Data & Demographics (As of July 1, 2017)


Total Population 383
Daytime Population: Workers 10
Daytime Population: Residents 218
Total Daytime Population (TDP) 228
Ratio TDP/Total Population1 0.60
Population in Households 383
Population in Familes 304
Population in Group Qrtrs 0
Population Density2 9
Diversity Index3 10


Median Household Income $46,834
Average Household Income $56,719
Per Capita Income $23,843


Total Housing Units 300 (100%)
Owner Occupied HU 122 (40.7%)
Renter Occupied HU 39 (13.0%)
Vacant Housing Units 139 (46.3%)
Median Home Value $51,923
Average Home Value $111,680


Total Households 161
Average Household Size 2.38
Family Households 101
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 -0.53% -0.63%
Households -0.42% -0.63%
Families -0.66% -0.6%
Median Household Income   1.98%
Per Capita Income   2.65%

Little Sioux, IA 51545 - Peer Comparisons by Rank and Percentile

The table below compares 51545 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 # 763 21st
Population Density # 860 11th
Diversity Index # 512 47th
Median Household Income # 803 17th
Per Capita Income # 849 12th

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

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