ZIP Code 51240 - Inwood Iowa

ZIP Code 51240 is located in Inwood Iowa. Portions of 51240 are also in Lyon Township (Lyon County) and Richland Township (Lyon County) and Logan Township (Lyon County) and Settlers Township and Centennial Township. 51240 is primarily within Lyon County, with some portions in Sioux County. Regionally, it is located in the Sioux Falls Area.

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ZIP Code 51240 Quick Stats

ZIP Code NameInwood
Primary CountyLyon County
ZIP Code TypeStandard
Population (2022)1,629
Area Code(s)712
Current Time
CDT

ZIP Code 51240 Map

51240 Demographics

51240 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 51240 is White. The majority race/ethnicity attending public schools in 51240 is White. The current unemployment level in 51240 is 1.7%.

Population1,629
Population Growth Rate0.00%
Population Density16 People per Square Mile
Total Households629
Percentage High Income Households3.2%
Median Household Income (2021)$72,283
Average Adjusted Gross Income (2020)$71,090
Current Unemployment Rate (March 2024)1.7%
Majority Race/EthnictyWhite - 96.06%
Public School Majority Race/EthnictyWhite - 92.52%

51240 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,77896.06%
Black00%
Hispanic432.32%
Asian271.46%
Native American30.16%
Hawaiian/Pac. Islander00%

51240 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White90393.58%
Black20.21%
Hispanic555.7%
Asian50.52%
Native American00%
Hawaiian/Pac. Islander00%

51240 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College16716.04%
Bachelor Degree888.45%
High School Diploma43541.79%
No High School Diploma90.86%
GED or Alternate201.92%
1 or More Years of College13012.49%
Associates Degree12311.82%
Masters Degree565.38%
Professional Degree131.25%
Doctorate Degree00%

51240 Geography

Coordinates43.30881882,-96.45423889
Adjacent ZIP Codes
Cities/Towns in 51240
RegionsSioux Falls Area
Sioux City Area
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area104 Square Miles

51240 Politics

US Congressional Districts in 51240
Iowa State Senate Districts in 51240
Iowa State House of Representatives Districts in 51240

51240 Weather and Climate Data

Plant Hardiness ZoneZone 4b: -25F to -20F
Average First Frost DateSeptember 21 - 31
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion47a - Loess Prairies

51240 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)411223447566158483622934
Avg Max Temp (°F)25314459728185827562422857
Avg Precip (In.).54.561.82.673.343.993.43.422.491.951.45.6426.24

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