ZIP Code 51002 - Alta Iowa

ZIP Code 51002 is located in Alta Iowa. Portions of 51002 are also in Maple Valley Township and Nokomis Township and Elk Township (Buena Vista County) and Scott Township (Buena Vista County) and Washington Township (Buena Vista County). 51002 is entirely within Buena Vista County. Regionally, it is located in the Sioux City Area.

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ZIP Code 51002 Quick Stats

ZIP Code NameAlta
Primary CountyBuena Vista County
ZIP Code TypeStandard
Population (2022)2,819
Area Code(s)712
Current Time
CDT

ZIP Code 51002 Map

51002 Demographics

51002 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 51002 is White. The majority race/ethnicity attending public schools in 51002 is White. The current unemployment level in 51002 is 2.6%.

Population2,819
Population Growth Rate-4.18%
Population Density26 People per Square Mile
Total Households1,095
Percentage High Income Households2.4%
Median Household Income (2021)$60,568
Average Adjusted Gross Income (2020)$66,620
Current Unemployment Rate (April 2024)2.6%
Majority Race/EthnictyWhite - 76.49%
Public School Majority Race/EthnictyWhite - 74.80%

51002 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,32076.49%
Black521.71%
Hispanic41013.52%
Asian2518.28%
Native American00%
Hawaiian/Pac. Islander00%

51002 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White38076.92%
Black71.42%
Hispanic9318.83%
Asian20.4%
Native American00%
Hawaiian/Pac. Islander122.43%

51002 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1388.34%
Bachelor Degree41124.83%
High School Diploma52431.66%
No High School Diploma201.21%
GED or Alternate523.14%
1 or More Years of College20412.33%
Associates Degree17210.39%
Masters Degree1146.89%
Professional Degree160.97%
Doctorate Degree40.24%

51002 Geography

Coordinates42.69234467,-95.31608582
Adjacent ZIP Codes
Cities/Towns in 51002
RegionSioux City Area
Metropolitan/Micropolitan Stat AreaStorm Lake, IA
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area108 Square Miles

51002 Politics

US Congressional Districts in 51002
Iowa State Senate Districts in 51002
Iowa State House of Representatives Districts in 51002

51002 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

51002 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)5122335475761594937241135
Avg Max Temp (°F)25314358718083817461432957
Avg Precip (In.).64.622.023.343.994.894.294.353.262.321.65.7932.16

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