Residential delivery area · Tennessee

ZIP Code 37920: Knoxville, TN

ZIP code 37920 uses the postal name Knoxville, Tennessee and lies entirely in Knox County (Census 2020 ZIP-county file). About 45,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Knoxville's 19 residential ZIP codes. Median household income is $66,362 (Census Bureau, ACS 2020-2024). By Census place, 20% of its land lies in Knoxville; 80% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
3national area: Tennessee, Alabama, Florida, Georgia, Mississippi and Armed Forces Americas
379sectional center: Knoxville, TN (SCF 377)
20delivery area within it
Town
Knoxville · 19 residential ZIPs
Census places
Knoxville
Metro area
Knoxville, TN
House district
TN-2 119th Congress
Time zone
Eastern
Land area
72.3 sq mi · 622 people per sq mi
PO Box ZIPs
12 more ZIP codes use the name Knoxville for PO boxes or single organizations

Where is ZIP code 37920?

37920 centers on 35.912°, -83.858° and covers 72.3 square miles of land plus 3.2 of water. It borders 9 ZIP codes: 37915, 37902, 37916, 37853, 37914, 37919, 37865, 37777, 37876.

37777 · Louisville37853 · Rockford37865 · Seymour37876 · Sevierville37902 · Knoxville37914 · Knoxville37915 · Knoxville37916 · Knoxville37919 · Knoxville37920 · Knoxville (this ZIP)379203787637865377773791437919378533791537777 · Louisville37853 · Rockford37865 · Seymour37876 · Sevierville37902 · Knoxville37914 · Knoxville37915 · Knoxville37916 · Knoxville37919 · Knoxville37920 · Knoxville (this ZIP)3792037876378653777737914379193785337777 · Louisville37853 · Rockford37865 · Seymour37876 · Sevierville37902 · Knoxville37914 · Knoxville37915 · Knoxville37916 · Knoxville37919 · Knoxville37920 · Knoxville (this ZIP)37920378763786537777379143791937853
Shaded by median household income, in national fifths (ACS 2020-2024); 37920 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 37920, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 37920 compare with the rest of Knoxville?

Rank of 37920 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure37920In KnoxvilleIn Knox CountyIn TN
People (ACS 2020-2024)44,9952nd of 192nd of 2823rd of 636
Median household income$66k11th of 1517th of 23187th of 425
Median home value$268k10th of 1613th of 24162nd of 436

Its median household income is higher than in 41% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 37920?

The 2020 Census counted 41,210 people in 37920; the ACS, which samples households over 2020-2024, estimates 44,995. Between the 2010 and 2020 censuses its population grew 5.4% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
44,995
2020 Census count
41,210+5.4% since 2010 (39,087)
Households
18,396
Median age
33.6

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 37920?

Of the 44,995 people the ACS estimates in 37920, 16.6% are under 18 and 16.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.3%).

  • Under 1816.6%
  • 18 to 6467.4%
  • 65 and older16.0%
Age of the people of 37920 (ACS 2020-2024, B01001)
  • White, not Hispanic83.3%
  • Black, not Hispanic6.9%
  • Hispanic or Latino4.6%
  • Other or two or more3.9%
  • Asian, not Hispanic1.3%
Race and Hispanic origin in 37920 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 37920 earn?

Median household income is $66,362 (ACS 2020-2024), the 17th highest of the 23 ranked ZIP codes in Knox County. It rose from $55,062 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income
$66,362
Income per person
$36,290
Below the poverty line
19.0%
Unemployed (of the labor force)
4.3%
Adults 25+ with a bachelor's degree
35.6%
Adjusted gross income per tax return, 2022
$68,76718,890 returns; wages 69% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 37920?

FHFA's house price index for 37920, built from repeat sales and appraisals of the same homes, rose 157% from 2015 to 2025 and rose 81% from 2020 to 2025, and moved +2.6% in 2025.

Median home value (owners' estimate)
$267,600
Median gross rent
$1,157
Homes owned by their occupants
58.9%
Housing units
20,555
0 200 400 600 198619902000201020202025 0 200 400 600 198619902000201020202025 0 200 400 600 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 37920; 2025: 624.9. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 37920?

736 business establishments had a location in this ZIP code in 2023, 36 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).

  • Health care and social assistance139
  • Retail trade101
  • Other services (except public administration)85
  • Construction75
  • Accommodation and food services75
  • Professional, scientific, and technical services52

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 37920?

ZIP codes that share a boundary with 37920, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
37915Knoxville5,991$26k4.7 mi
37902Knoxville2,412$50k4.9 mi
37916Knoxville15,583$15k5.1 mi
37853Rockford3,365$69k6.0 mi
37914Knoxville21,478$60k6.0 mi
37919Knoxville31,754$73k8.0 mi
37865Seymour25,074$88k8.0 mi
37777Louisville12,877$76k12.5 mi
37876Sevierville33,561$58k21.4 mi
37929Knoxville0–4.8 mi (near)
37917Knoxville24,615$54k6.9 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.