Knoxville ZIP Code List — Johnson County, AR

There is one unique ZIP code in Knoxville, Arkansas and it is 72845. Area code: 479.

ZIP codes

11.06

sq mi land

8.16

sq mi water

479

area code

Knoxville, AR ZIP code map

About Knoxville, AR

Knoxville, Arkansas, is a quaint city located in Johnson County, known for its small-town charm and friendly atmosphere. This community offers a unique glimpse into rural life in the Natural State, appealing to those who appreciate a slower pace of living. Residents and visitors alike enjoy the scenic beauty and local attractions that Knoxville has to offer.

Location & geography

Situated in the northwestern part of Arkansas, Knoxville is bordered by lush landscapes and rolling hills typical of the Ozarks. The city is approximately 12 miles southeast of Clarksville and around 25 miles northwest of Russellville, making it a perfect location for those seeking both tranquility and accessibility to larger towns. With a land area of 11.06 square miles and a water area of 8.16 square miles, the geography around Knoxville features a mixture of natural beauty and serene waterways.

Community & economy

The character of Knoxville is deeply rooted in its close-knit community, where residents often gather for local events and activities. The economy is supported by a mix of industries, with agriculture playing a significant role, alongside small businesses that cater to the needs of locals and visitors. Daily life in Knoxville embraces community spirit, as neighbors support one another and participate in various social and recreational opportunities.

Transportation

Transportation in Knoxville is facilitated by several highways, including U.S. Route 64, which connects the city to nearby towns and cities. For those traveling further, the nearest named airport is the Russellville Airport, offering regional access for air travel. Local transit options are limited, but the community's compact size makes it easy to navigate by car or on foot.

History

Knoxville was founded as a small settlement during the early 19th century, reflecting the area's agricultural roots and growth. As the region developed, it became known for its agricultural output and community-driven initiatives. Throughout its history, Knoxville has maintained its identity as a rural haven, where traditions are valued and celebrated.

Did you know?

A little-known fact about Knoxville is that it is located near the Ozark National Forest, which provides ample opportunities for outdoor recreation. Additionally, the city has been a vibrant hub for local festivals and fairs, showcasing its cultural heritage.

ZIP codes for Knoxville, AR (1)

ZIP code	City	County	Map
72845	Knoxville	Johnson	View map

Demographics & statistics

950

Population

44.7

Median age

$55,060

Median household income

$24,331

Per capita income

$98,300

Median home value

$775

Median monthly rent

92.5%

Home ownership

18.2%

Poverty rate

5.9%

Unemployment

418

Housing units

10.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

118

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	157	16.5%
18 and over	793	83.5%
65 and over	182	19.2%
Median age	44.7 years

Race & ethnicity

White 97.6%

Two or more races 1.8%

Hispanic or Latino 0.6%

Group	Count	%
White	933	97.6%
Two or more races	17	1.8%
Hispanic or Latino	6	0.6%

Household income

Under $10k 19.5%

$10k–$15k 4.0%

$15k–$25k 8.7%

$25k–$35k 7.2%

$35k–$50k 10.0%

$50k–$75k 20.0%

$75k–$100k 15.5%

$100k–$150k 12.7%

$200k+ 2.5%

Range	% of households
Under $10k	19.5%
$10k–$15k	4.0%
$15k–$25k	8.7%
$25k–$35k	7.2%
$35k–$50k	10.0%
$50k–$75k	20.0%
$75k–$100k	15.5%
$100k–$150k	12.7%
$200k+	2.5%
Median income	$55,060

Housing

Home values

Under $50k 15.1%

$50k–$100k 36.4%

$100k–$150k 22.1%

$150k–$200k 12.4%

$200k–$300k 6.5%

$300k–$500k 7.5%

Housing overview

Metric	Value
Median home value	$98,300
Median rent / month	$775
Owner occupied	92.5%
Renter occupied	7.5%
Vacant	10.5%
Single-family detached	80.4%
Large apartment buildings	0.0%
Mobile homes	18.3%
Median rooms	5.2
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	12.3%
1990–1999	20.3%
1980–1989	18.5%
1970–1979	9.6%
1960–1969	21.0%
1950–1959	2.0%
1940–1949	2.0%
1939 or earlier	10.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	1.1%
2 bedrooms	36.2%
3 bedrooms	55.4%
4 bedrooms	6.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	46.4%
2 vehicles	35.4%
3 or more	16.2%

Heating fuel

Fuel type	%
Utility gas	25.7%
Electricity	52.4%
Propane / LP gas	3.2%
Fuel oil	0.5%
Wood	6.5%

Households & families

Household type	Count	%
Married-couple family	212	52.9%
Cohabiting couple	0	0.0%
Male householder, no spouse	72	18.0%
Female householder, no spouse	117	29.2%
Households with children under 18	112	27.9%
Households with seniors (65+)	117	29.2%
Average household size	2.37

Marital status

Status	Male	Female
Never married	14.2%	12.0%
Married	70.0%	55.1%
Separated	2.2%	1.3%
Widowed	0.0%	2.4%
Divorced	13.6%	29.1%

Education

Less than 9th grade 4.6%

Some HS, no diploma 3.9%

HS graduate 38.5%

Some college, no degree 30.9%

Associate's degree 11.4%

Bachelor's degree 6.4%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	91.5%
Bachelor's or higher	10.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	11.9%
Kindergarten	3	2.4%
Elementary school	63	50.0%
High school	27	21.4%
College / grad school	18	14.3%

Employment

Industry of employment

Manufacturing 24.4%

Education & healthcare 21.1%

Transportation & utilities 16.1%

Retail trade 14.9%

Arts, food & hospitality 6.5%

Professional & management 6.0%

Other services 4.8%

Agriculture & mining 4.5%

Public administration 1.5%

Wholesale trade 0.3%

Occupation

Category	%
Management, business & arts	23.8%
Service	15.2%
Sales & office	23.8%
Natural resources & construction	4.8%
Production & transportation	32.4%

Employment type

Type	%
Private sector	85.7%
Government	5.4%
Self-employed	8.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.5%
Carpool	2.7%
Public transit	0.0%
Walk	0.9%
Other means	0.0%
Avg commute (minutes)	20.2

Poverty

All people 18.2%

Under 18 years 22.9%

18 and over 17.3%

Married-couple families 5.2%

Female-led households 18.2%

Income support

Source	% of households
Social Security	43.9%
Retirement income	15.5%
Supplemental Security	11.0%
Cash public assistance	1.0%
Food stamps / SNAP	14.2%

Health indicators

Condition	%
High blood pressure	40.9%
High cholesterol	38.8%
Heart disease	8.9%
Stroke	4.0%
Asthma	10.6%
Arthritis	29.1%
Kidney disease	3.5%
Pulmonary disease	10.9%
Cancer	6.9%

Behavior / access	%
Binge drinking	14.5%
No physical activity	32.6%
Less than 7 hrs sleep	32.4%
Fair or poor health	22.5%
Poor mental health	17.3%
Poor physical health	15.0%
No health insurance	15.6%
Visited doctor (checkup)	75.3%
Visited dentist	50.0%
Cholesterol screening	86.1%
Teeth loss	22.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	113	14.2%

Disability	%
Any disability	28.1%
Under 18	21.0%
18–64 years	32.7%
65 and over	18.7%

Health insurance coverage

Type	%
Private insurance	55.2%
Public insurance	48.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	903	95.1%
Spanish	63	7.0%
Other Indo-European	63	7.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	879	92.5%
Born in same state	868	91.4%
Born in different state	571	60.1%
Foreign born	11	1.2%
Naturalized citizen	71	7.5%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	342	36%
Italian	136	14.3%
French	87	9.2%

Ancestry	Count	%
English	49	5.2%
Dutch	11	1.2%

Technology access

Metric	% of households
Computer access	42.2%
Internet access	92.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Knoxville, AR?

Knoxville, AR has one ZIP code: 72845.

What is the main ZIP code for Knoxville, AR?

The primary ZIP code for Knoxville, AR is 72845. The city uses area code 479 for phone service.

What county is Knoxville, AR in?

Knoxville is located in Johnson County, Arkansas.

How many ZIP codes are in Knoxville, AR?

Knoxville, AR has 1 ZIP code.

What is the ZIP code for downtown Knoxville, Arkansas?

Downtown Knoxville, Arkansas is located in ZIP code 72845, which serves as the primary postal code for this Johnson County community.

What ZIP code should I use when mailing something to a business in Knoxville, AR?

All mail addressed to businesses and residents in Knoxville, Arkansas should use ZIP code 72845, as it is the only ZIP code serving this city.