ZIP code
37921
Knoxville, TN
37921 covers Knoxville in Knox County, with 29,064 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 37921. Methodology
ZIP code map of 37921
About ZIP code 37921
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 37921. Not ACS. Methodology
People in 37921
Race
- White18,514
- Black or African American5,043
- American Indian or Alaska Native318
- Asian297
- Native Hawaiian and Pacific Islander24
- Other race2,076
- Two or more races2,631
Hispanic or Latino (any race): 3,727
Age
- Under 104,122
- 10 to 193,837
- 20 to 294,458
- 30 to 394,412
- 40 to 493,493
- 50 to 593,342
- 60 to 692,957
- 70 to 791,554
- 80 and older728
Income and housing in 37921
Education
- High school graduate87.1%
- Bachelor's degree26.6%
- Graduate degree8.4%
Places covering 37921
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Knoxville87.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Knox County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
13.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 37921
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 22,242 | |
| 2006 | 22,178 | |
| 2007 | 24,804 | |
| 2008 | 23,692 | |
| 2009 | 24,357 | |
| 2010 | 24,357 | |
| 2011 | 27,853 | 24,516 |
| 2012 | 27,838 | 24,500 |
| 2013 | 28,464 | 25,050 |
| 2014 | 28,499 | 25,180 |
| 2015 | 28,960 | 25,020 |
| 2016 | 28,284 | 24,080 |
| 2017 | 27,991 | 23,590 |
| 2018 | 26,807 | 23,330 |
| 2019 | 27,259 | 23,420 |
| 2020 | 27,522 | 24,000 |
| 2021 | 28,397 | 23,090 |
| 2022 | 28,571 | 23,330 |
| 2023 | 29,064 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 37921
12 nearest ZIP centroids (any distance)
- 37912Knoxville2.0 miPop 22,009 · Income $44,754
- 37909Knoxville2.7 miPop 16,848 · Income $61,365
- 37916Knoxville4.1 miPop 14,771 · Income $17,982
- 37902Knoxville4.5 miPop 2,308 · Income $56,397
- 37919Knoxville4.6 miPop 31,401 · Income $71,863
- 37929Knoxville4.7 miPop 0 · Income —
- 37917Knoxville4.9 miPop 25,738 · Income $51,232
- 37915Knoxville5.4 miPop 6,124 · Income $22,236
- 37849Powell5.8 miPop 28,872 · Income $83,400
- 37923Knoxville6.0 miPop 30,874 · Income $70,046
- 37918Knoxville6.9 miPop 45,978 · Income $69,311
- 37931Knoxville7.2 miPop 31,149 · Income $91,284
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 37921, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 37921 FAQ
- What city is ZIP code 37921 in?
- 37921 is in Knoxville, TN.
- What county is 37921 in?
- 37921 is in Knox County.
- What is the median household income in 37921?
- The median household income in 37921 is $57,813.
- Which ZIP codes are near 37921?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 37921.