ZIP Code 63664 - Potosi Missouri

ZIP Code 63664 is located in Potosi Missouri. Portions of 63664 are also in Walton Township and Harmony Township and Liberty Township (Washington County) and Breton Township and Johnson Township (Washington County). 63664 is entirely within Washington County. Regionally, it is located in Metro St. Louis.

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ZIP Code 63664 Quick Stats

ZIP Code NamePotosi
Primary CountyWashington County
ZIP Code TypeStandard
Population (2022)9,039
Area Code(s)235 / 573
Current Time

ZIP Code 63664 Map

63664 Demographics

63664 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Missouri based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 63664 is White. The majority race/ethnicity attending public schools in 63664 is White. The current unemployment level in 63664 is 4.5%.

Population Growth Rate0.02%
Population Density35 People per Square Mile
Total Households3,217
Percentage High Income Households0.8%
Median Household Income (2021)$52,926
Average Adjusted Gross Income (2020)$41,310
Current Unemployment Rate (April 2024)4.5%
Majority Race/EthnictyWhite - 97.96%
Public School Majority Race/EthnictyWhite - 95.68%

63664 Race/Ethnicty Breakdown

Native American40.05%
Hawaiian/Pac. Islander280.33%

63664 Public School Race/Ethnicty Breakdown

Native American20.1%
Hawaiian/Pac. Islander00%

63664 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College41810.06%
Bachelor Degree3728.95%
High School Diploma1,48535.73%
No High School Diploma1343.22%
GED or Alternate3518.45%
1 or More Years of College66716.05%
Associates Degree3267.84%
Masters Degree2475.94%
Professional Degree1313.15%
Doctorate Degree250.6%

63664 Geography

Adjacent ZIP Codes
Cities/Towns in 63664
RegionMetro St. Louis
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area261 Square Miles

63664 Politics

US Congressional Districts in 63664
Missouri State Senate Districts in 63664
Missouri State House of Representatives Districts in 63664

63664 Weather and Climate Data

Plant Hardiness ZoneZone 6a: -10F to -5F
Average First Frost DateOctober 1 - 10
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion39g - Meramec River Hills

63664 Annual Climate Data

Avg Min Temp (°F)20253343516065625543342543
Avg Max Temp (°F)41475769768489877970564567
Avg Precip (In.)2.342.423.884.284.453.873.773.653.433.14.463.3543

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