ZIP Code 51357 - Royal Iowa

ZIP Code 51357 is located in Royal Iowa. Portions of 51357 are also in Rossie and Clay Township (Clay County) and Lincoln Township (Clay County) and Lone Tree Township. 51357 is entirely within Clay County. Regionally, it is located in the Sioux City Area.

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ZIP Code 51357 Quick Stats

ZIP Code NameRoyal
Primary CountyClay County
ZIP Code TypeStandard
Population (2022)744
Area Code(s)712
Current Time
CDT

ZIP Code 51357 Map

51357 Demographics

51357 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 51357 is White. The majority race/ethnicity attending public schools in 51357 is White. The current unemployment level in 51357 is 3.5%.

Population744
Population Growth Rate19.78%
Population Density19 People per Square Mile
Total Households319
Percentage High Income Households4.1%
Median Houshold Income (2021)$58,125
Average Adjusted Gross Income (2020)$56,430
Current Unemployment Rate (February 2024)3.5%
Majority Race/EthnictyWhite - 91.47%
Public School Majority Race/EthnictyWhite - 95.89%

51357 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White74091.47%
Black50.62%
Hispanic647.91%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

51357 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White7097.22%
Black00%
Hispanic22.78%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

51357 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College449.91%
Bachelor Degree5211.71%
High School Diploma18441.44%
No High School Diploma30.68%
GED or Alternate214.73%
1 or More Years of College6715.09%
Associates Degree5011.26%
Masters Degree10.23%
Professional Degree132.93%
Doctorate Degree92.03%

51357 Geography

Coordinates43.05598068,-95.28266144
Adjacent ZIP Codes
Cities/Towns in 51357
RegionSioux City Area
Metropolitan/Micropolitan Stat AreaSpencer, IA
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area39 Square Miles

51357 Politics

US Congressional Districts in 51357
Iowa State Senate Districts in 51357
Iowa State House of Representatives Districts in 51357

51357 Schools

51357 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

51357 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)5122335475761594937231035
Avg Max Temp (°F)24304258718084817461422856
Avg Precip (In.).59.591.923.043.654.44.024.132.812.071.59.7329.55

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