ZIP Code 50666 - Plainfield Iowa

50666 Overview

ZIP Code 50666 is located in Plainfield Iowa. Portions of 50666 are also in Polk Township (Bremer County) and Fremont Township (Butler County) and Douglas Township (Bremer County) and Lafayette Township (Bremer County) and Butler Township (Butler County). 50666 is primarily within Bremer County, with some portions in Butler County. Regionally, 50666 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.

Stats Demographics Geography Politics Climate Related Pages

ZIP Code 50666 Quick Stats

ZIP Code NamePlainfield
Primary CountyBremer County
ZIP Code TypeStandard
Population (2022)720
Area Code(s)319 / 641
Current Time
CST

ZIP Code 50666 Map

50666 Demographics

50666 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 50666 is White. The current unemployment level in 50666 is 3.0%.

Population720
Population Growth Rate-38.49%
Population Density15 People per Square Mile
Total Households375
Percentage High Income Households1.3%
Median Household Income (2021)$68,490
Average Adjusted Gross Income (2021)$154,600
Current Unemployment Rate (December 2024)3.0%
Majority Race/EthnictyWhite - 100.00%

50666 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White70699.72%
Black00%
Hispanic00%
Asian00%
Native American00%
Hawaiian/Pac. Islander20.28%

50666 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College426.73%
Bachelor Degree8112.98%
High School Diploma26742.79%
No High School Diploma20.32%
GED or Alternate223.53%
1 or More Years of College9014.42%
Associates Degree9615.38%
Masters Degree152.4%
Professional Degree81.28%
Doctorate Degree10.16%

50666 Geography

Coordinates42.85982132,-92.50583649
Adjacent ZIP Codes
Cities/Towns in 50666
RegionCedar Rapids-Waterloo-Iowa City and Dubuque Area
Metropolitan/Micropolitan Stat AreaWaterloo-Cedar Falls, IA
Time ZoneCentral Standard Time
IANA TimezoneAmerica/Chicago
Area48 Square Miles

50666 Weather and Climate Data

Plant Hardiness ZoneZone 5a: -20F to -15F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion47c - Iowan Surface

50666 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)6122436485862595038251236
Avg Max Temp (°F)24304358718083817461432957
Avg Precip (In.).94.922.053.454.214.914.414.513.282.52.151.1634.48

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