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ZIP Code 37921, Tennessee

ZIP Code 37921 profile, demographic data, and geographic information.

ZCTA5 37921 is a 5-digit ZIP Code area located in Knox County, Tennessee. As of official census estimates, it has a reported population of 28,717. The land area covers 15.90 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 28,717 ±1,777 2020-2024 / Census ACS 5-Year 2024
Median Age 34.6 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 11,634 ±660 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 12,957 ±640
Occupied Housing Units 11,634 ±660
Vacant Housing Units 1,323 ±329
Median Home Value $226,300 ±$9,937
Median Gross Rent $1,233 ±$71
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $60,013 ±$5,863
Per Capita Income $30,928 ±$2,090
Poverty Rate 17.2% ±3.4%
Population Below Poverty Level 4,942 ±1,024
Unemployment Rate 3.9% ±1%
Civilian Labor Force, Employed 14,770 ±1,101
Broadband Internet Rate 85.2% ±2.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 506,748 (2024)
ID: 175683
County Official County Government
Contact: COUNTY MAYOR
400 W MAIN ST, RM 615, KNOXVILLE TN 37902-2424

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-05 Knoxville, TN
Regular School Nearby PK-05 Knoxville, TN
Regular School Nearby PK-02 Alcoa, TN
Regular School Nearby 09-12 Alcoa, TN
Regular School Nearby 03-05 Alcoa, TN
Regular School Nearby 06-08 Alcoa, TN
Regular School Nearby PK-05 Knoxville, TN
Career and Technical School Nearby 09-12 Clinton, TN
Regular School Nearby PK Clinton, TN
Regular School Nearby 09-12 Clinton, TN
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Tennessee School of Beauty of Knoxville Inc
College Vocational 0.5 mi away 4704 Western Ave, Knoxville, TN, 37921
8655887878
NORWOOD BRANCH LIBRARY
Library 2.0 mi away 1110 MERCHANTS DRIVE, KNOXVILLE, TN, 37912
(865) 688-2454
South College
College 2.1 mi away 3904 Lonas Road, Knoxville, TN, 37909-0000
8652511800
MURPHY BRANCH LIBRARY
Library 2.9 mi away L. T. ROSS BUILDING, KNOXVILLE, TN, 37921
(865) 521-7812
Tennessee College of Applied Technology-Knoxville
College 2.6 mi away 1100 Liberty Street, Knoxville, TN, 37919
8655465567
WEST KNOXVILLE BRANCH LIBRARY
Library 3.3 mi away 100 GOLF CLUB ROAD, KNOXVILLE, TN, 37919
(865) 588-8813
The University of Tennessee System Office
College 4.6 mi away 400 W Summit Hill Drive, Knoxville, TN, 37902
8659741000
SEQUOYAH BRANCH LIBRARY
Library 3.7 mi away 1140 SOUTHGATE ROAD, KNOXVILLE, TN, 37919
(865) 525-1541
The University of Tennessee-Knoxville
College 4.6 mi away 800 Andy Holt Tower, Knoxville, TN, 37996
8659741000
POWELL BRANCH LIBRARY
Library 4.2 mi away 330 WEST EMORY ROAD, POWELL, TN, 37849
(865) 947-6210
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at KNOXVILLE EXP STN, TN US, located 6.1 miles from ZCTA5 37921. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 47.9° 26.4° 37.1° 5.23" —
February 52.5° 29.3° 40.9° 5.12" —
March 61.3° 35.7° 48.5° 5.28" —
April 70.8° 43.8° 57.3° 5.25" —
May 78.5° 53.8° 66.1° 4.53" —
June 85.5° 62.0° 73.7° 3.96" —
July 88.3° 66.2° 77.2° 5.82" —
August 87.9° 64.8° 76.4° 3.42" —
September 82.9° 58.6° 70.8° 4.13" —
October 72.3° 45.7° 59.0° 3.05" —
November 60.6° 34.7° 47.6° 4.10" —
December 51.1° 29.7° 40.4° 5.91" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Knoxville city City 3.0 mi —
Powell CDP CDP 4.3 mi —
Karns CDP CDP 6.0 mi —
Halls CDP CDP 8.1 mi —
Rockford city City 10.6 mi —
John Sevier CDP CDP 10.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 37921. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.