Plainfield, IA 50666 ZIP Code Profile

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Plainfield, IA

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ZIP Code 50666: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Plainfield, IA 50666

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 21
  • Single Family Addresses: 315
  • Multi-Family Addresses: 0
  • County: Bremer County
  • Centroid: Latitude 42.846, Longitude -92.535
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50666 has segments in 2 Counties (Bremer, Butler).

Neighborhood Data

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50666 ZIP Code Map

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Plainfield, IA 50666 Data & Demographics (As of July 1, 2017)


Total Population 1,073
Daytime Population: Workers 160
Daytime Population: Residents 526
Total Daytime Population (TDP) 686
Ratio TDP/Total Population1 0.64
Population in Households 1,073
Population in Familes 904
Population in Group Qrtrs 0
Population Density2 23
Diversity Index3 5


Median Household Income $53,274
Average Household Income $66,140
Per Capita Income $26,505


Total Housing Units 469 (100%)
Owner Occupied HU 356 (75.9%)
Renter Occupied HU 74 (15.8%)
Vacant Housing Units 39 ( 8.3%)
Median Home Value $128,125
Average Home Value $166,011


Total Households 430
Average Household Size 2.5
Family Households 309
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 1.06% 1.0%
Households 1.14% 1.05%
Families 0.93% 0.95%
Median Household Income   1.81%
Per Capita Income   2.51%

Plainfield, IA 50666 - Peer Comparisons by Rank and Percentile

The table below compares 50666 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 # 452 53rd
Population Density # 466 52nd
Diversity Index # 867 10th
Median Household Income # 546 43rd
Per Capita Income # 624 35th

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

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