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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Plainfield, IA

Plainfield, IA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 50666StandardBremer1,027

Timezone(s):Central (GMT -06:00)
Counties:BREMER, IA
Population:436 (More Details)
Male Population:219
Female Population:217
Median Age:38
ZIP Codes:1
Area Codes:1
Total Area:439 square miles (county)
Land Area:435 square miles (county)
Water Area:4 square miles (county)

Plainfield, IA Demographic Information *

Total population436
Male population219
Female population217
Median age (years)37.8
White Population427
Black Population2
Indian Population0
Asian Population0
Hawaiian Population1
Hispanic Population2
Median age (Male)36.8
Median age (Female)39.5
Total households185
Family households (families)123
Average household size2.36
Average family size2.9
Total housing units197
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],