Fairfield, IA 52557 ZIP Code Profile

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Fairfield, IA

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ZIP Code 52557: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fairfield, IA 52557

Not Acceptable, USPS
Maharishi University of Mgmt, IA 52557

  • Businesses Addresses: 0
  • Single Family Addresses: 0
  • Multi-Family Addresses: 0
  • County: Jefferson County
  • Centroid: Latitude 41.006, Longitude -91.964
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


52557 ZIP Code Map

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Fairfield, IA 52557 Data & Demographics (As of July 1, 2016)


Total Population 447
Population in Households 168
Population in Familes 37
Population in Group Qrtrs 279
Population Density1 2,763
Diversity Index2 48


Total Households 24
Average Household Size 7.0
Family Households 12
Average Family Size 3


Total Housing Units 25 (100%)
Owner Occupied HU 12 (48.0%)
Renter Occupied HU 12 (48.0%)
Vacant Housing Units 1 ( 4.0%)
Median Home Value $62,500
Average Home Value $79,167


Median Household Income $43,962
Average Household Income $58,604
Per Capita Income $5,915
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.04% 0.18%
Households 0.0% 0.82%
Families 0.0% 0.0%
Median Household Income   4.76%
Per Capita Income   1.22%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Fairfield, IA 52557 - Peer Comparisons by Rank and Percentile

The table below compares 52557 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2016 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 # 723 25th
Population Density1 # 17 98th
Diversity Index2 # 28 97th
Median Household Income # 830 14th
Per Capita Income # 958 1st

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