ZIP Code 37921 - Knoxville Tennessee

ZIP Code 37921 is located in Knoxville Tennessee. Portions of 37921 are also in Powell. 37921 is entirely within Knox County. Regionally, 37921 is located in the Knoxville Area.

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ZIP Code 37921 Quick Stats

ZIP Code NameKnoxville
Primary CountyKnox County
ZIP Code TypeStandard
Population (2022)28,571
Area Code(s)865
Current Time

ZIP Code 37921 Map

37921 Demographics

37921 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Tennessee based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 37921 is White. The majority race/ethnicity attending public schools in 37921 is African American. The current unemployment level in 37921 is 2.7%.

Population Growth Rate1.45%
Population Density1,794 People per Square Mile
Total Households12,484
Percentage High Income Households0.6%
Median Household Income (2021)$53,000
Average Adjusted Gross Income (2021)$362,340
Current Unemployment Rate (June 2024)2.7%
Majority Race/EthnictyWhite - 70.84%
Public School Majority Race/EthnictyAfrican American - 34.57%

37921 Race/Ethnicty Breakdown

Native American1110.39%
Hawaiian/Pac. Islander00%

37921 Public School Race/Ethnicty Breakdown

Native American20.09%
Hawaiian/Pac. Islander00%

37921 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,5559.25%
Bachelor Degree3,18018.92%
High School Diploma4,95629.48%
No High School Diploma3992.37%
GED or Alternate1,2617.5%
1 or More Years of College2,31013.74%
Associates Degree1,81510.8%
Masters Degree1,0836.44%
Professional Degree1490.89%
Doctorate Degree1010.6%

37921 Geography

Adjacent ZIP Codes
Cities/Towns in 37921
RegionKnoxville Area
Metropolitan/Micropolitan Stat AreaKnoxville, TN
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area16 Square Miles

37921 Politics

US Congressional Districts in 37921
Tennessee State Senate Districts in 37921
Tennessee State House of Representatives Districts in 37921

37921 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateNovember 1 - 10
Average Last Frost DateApril 1 - 10
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills

37921 Annual Climate Data

Avg Min Temp (°F)28303745546267666047383147
Avg Max Temp (°F)46516070778487868171594969
Avg Precip (In.)4.944.25.494.

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