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Knoxville, AR

Town in Johnson County, Arkansas. ZIP codes: 72845.

Population

663

Land area

3.2sq mi

People per sq mi

208

ZIP codes

1

Knoxville and its ZIP codes

Knoxville at a glance

  • Knoxville is about 3.5 times as dense as Arkansas as a whole.
  • The median household income is $45,714, 25% below the Arkansas median of $60,773.
  • A typical owner-occupied home is valued at $125,700 (33% below Arkansas) and median rent is $854 a month.

Local data for Knoxville, AR

Counts from official public data

Housing and community stats

Knoxville, AR, American Community Survey 2020-2024

Full profile

Median household income

$45,714

Poverty rate

25.5%

Median home value

$125,700

Median rent

$854/mo

Homeownership

85.1%

Bachelor's or higher

11.8%

Median age

42.1

Average commute

21.6 min

Largest reported origins and ancestries: German Americans (89), Irish Americans (80), Scottish Americans (23).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Johnson County. PPP loans are for Knoxville.

Details

Unemployment rate

4.7%

Sep 2026, -0.6 pts in a year

Average annual pay

$43,980

7,860 jobs, 2025

Income per person

$37,274

BEA, 2024

Federal spending

$165M

FY 2026, $6,414 per person

Johnson County economyFederal spending

How people get to work

Knoxville, AR, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone83.3%
  • Carpooled11.0%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home5.7%

Average one-way commute: 21.6 minutes for people who do not work from home.

Environment and hazard risk

Knoxville, AR, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: ice storm

Storm events since 1996

447

Countywide, mostly thunderstorm wind

Flood insurance policies

46

0.4% of homes, county

July high / Jan low

92° / 29°F

51.0 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Knoxville, AR, CDC PLACES estimates

All 40 measures

Obesity

36.3%

U.S. 33.3% +3.0 pts

Diabetes

13.2%

U.S. 12.1% +1.1 pts

Smoking

17.8%

U.S. 12.8% +5.0 pts

Uninsured (18-64)

11.1%

U.S. 11.1% about the same

ZIP codes in Knoxville

1 in or overlapping Knoxville. Population shown

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Cities near Knoxville

Frequently asked questions

What county is Knoxville, AR in?
Knoxville is in Johnson County, Arkansas.
What ZIP codes are in Knoxville, AR?
ZIP codes in or overlapping Knoxville include 72845.
What is the population of Knoxville, AR?
About 663 people live in Knoxville, based on American Community Survey 5-year estimates.
What cities are near Knoxville?
Nearby places include Lamar (4.5 mi), New Blaine (6.5 mi), London (7.7 mi), Clarksville (8.9 mi), Morrison Bluff (8.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

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