ZIP Code 51301 - Spencer Iowa

ZIP Code 51301 is located in Spencer Iowa. Portions of 51301 are also in Gillett Grove and Sioux Township (Clay County) and Summit Township (Clay County) and Meadow Township (Clay County) and Riverton Township (Clay County) and Gillett Grove Township. 51301 is entirely within Clay County. Regionally, it is located in the Sioux City Area.

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ZIP Code 51301 Quick Stats

ZIP Code NameSpencer
Primary CountyClay County
ZIP Code TypeStandard
Population (2022)12,326
Area Code(s)712
Current Time
CDT

ZIP Code 51301 Map

51301 Demographics

51301 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 51301 is White. The majority race/ethnicity attending public schools in 51301 is White. The current unemployment level in 51301 is 3.5%.

Population12,326
Population Growth Rate0.00%
Population Density77 People per Square Mile
Total Households5,625
Percentage High Income Households1.6%
Median Houshold Income (2021)$48,342
Average Adjusted Gross Income (2020)$66,150
Current Unemployment Rate (February 2024)3.5%
Majority Race/EthnictyWhite - 94.62%
Public School Majority Race/EthnictyWhite - 87.76%

51301 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White11,62794.62%
Black130.11%
Hispanic5434.42%
Asian810.66%
Native American240.2%
Hawaiian/Pac. Islander00%

51301 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,90889.37%
Black261.22%
Hispanic1848.62%
Asian120.56%
Native American40.19%
Hawaiian/Pac. Islander10.05%

51301 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College7568.83%
Bachelor Degree1,43816.8%
High School Diploma3,02335.31%
No High School Diploma820.96%
GED or Alternate3574.17%
1 or More Years of College1,44416.87%
Associates Degree1,18313.82%
Masters Degree1601.87%
Professional Degree690.81%
Doctorate Degree490.57%

51301 Geography

Coordinates43.14895630,-95.14585876
Adjacent ZIP Codes
Cities/Towns in 51301
RegionSioux City Area
Metropolitan/Micropolitan Stat AreaSpencer, IA
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area161 Square Miles

51301 Politics

US Congressional Districts in 51301
Iowa State Senate Districts in 51301
Iowa State House of Representatives Districts in 51301

51301 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
Ecoregion47a - Loess Prairies

51301 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)5122435475762594937231035
Avg Max Temp (°F)24304258718084817461422856
Avg Precip (In.).58.551.93.053.684.174.014.172.782.021.48.6529.05

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