ZIP Code 52320 - Olin Iowa

ZIP Code 52320 is located in Olin Iowa. Portions of 52320 are also in Rome Township and Hale Township and Jackson Township (Jones County) and Fremont Township (Cedar County) and Dayton Township (Cedar County). 52320 is primarily within Jones County, with some portions in Cedar County. Regionally, 52320 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.

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ZIP Code 52320 Quick Stats

ZIP Code NameOlin
Primary CountyJones County
ZIP Code TypeStandard
Population (2022)1,290
Area Code(s)319 / 563
Current Time

ZIP Code 52320 Map

52320 Demographics

52320 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 52320 is White. The majority race/ethnicity attending public schools in 52320 is White. The current unemployment level in 52320 is 2.2%.

Population Growth Rate0.00%
Population Density24 People per Square Mile
Total Households547
Percentage High Income Households3.1%
Median Household Income (2021)$59,808
Average Adjusted Gross Income (2021)$137,290
Current Unemployment Rate (July 2024)2.2%
Majority Race/EthnictyWhite - 96.83%
Public School Majority Race/EthnictyWhite - 94.51%

52320 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

52320 Public School Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

52320 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College9712.31%
Bachelor Degree9211.68%
High School Diploma35745.3%
No High School Diploma20.25%
GED or Alternate313.93%
1 or More Years of College9712.31%
Associates Degree719.01%
Masters Degree243.05%
Professional Degree111.4%
Doctorate Degree60.76%

52320 Geography

Adjacent ZIP Codes
Cities/Towns in 52320
RegionCedar Rapids-Waterloo-Iowa City and Dubuque Area
Metropolitan/Micropolitan Stat AreaCedar Rapids, IA
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area53 Square Miles

52320 Politics

US Congressional Districts in 52320
Iowa State Senate Districts in 52320
Iowa State House of Representatives Districts in 52320

52320 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
Ecoregion47f - Rolling Loess Prairies

52320 Annual Climate Data

Avg Min Temp (°F)8142637485862605139271537
Avg Max Temp (°F)27334660728184827563453258
Avg Precip (In.)

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