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Arkansas ZIP Codes
Johnson County
Knoxville, AR
72845
72845 ZIP Code — Knoxville, AR
Johnson County, Arkansas
ZIP code 72845 is located in
Knoxville ,
Arkansas ,
within Johnson County .
It covers approximately 11.06 square miles and serves a population of
950 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 479 .
About ZIP code 72845
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $98,300. Owner-occupancy is high at 93%, well above the national average.
Median household income is $55,060. Poverty affects 18% of residents, above the national average. 44% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 20 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (25%) compared to national benchmarks.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%; and disability rates above the national average at 28%.
Overall, ZIP code 72845 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a strong veteran community, high homeownership, and a significant Social Security-dependent population.
72845 ZIP code map
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Cities in ZIP code 72845
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
950
Population density
86 / sq mi
State FIPS
05
County FIPS
071
Geography
Land area
11.06 sq mi
Water area
8.16 sq mi
Latitude
35.3628
Longitude
-93.3772
Timezone
Central (CT)
Area code
479
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.4%
62.5%
50.4%
$50k – $100k
40.3%
26.0%
29.9%
$100k – $200k
17.4%
10.0%
15.7%
Over $200k
2.9%
1.4%
4.0%
Demographics & statistics
$55,060
Median household income
10.6%
Bachelor's or higher
Age distribution
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
Group Count % White 933 97.6% Two or more races 17 1.8% Hispanic or Latino 6 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.4%
62.5%
50.4%
$50k – $100k
40.3%
26.0%
29.9%
$100k – $200k
17.4%
10.0%
15.7%
Over $200k
2.9%
1.4%
4.0%
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
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
Some college, no degree
30.9%
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
Education & healthcare
21.1%
Transportation & utilities
16.1%
Arts, food & hospitality
6.5%
Professional & management
6.0%
Agriculture & mining
4.5%
Public administration
1.5%
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% Work from home 5.8% Other means 0.0% Avg commute (minutes) 20.2
Poverty
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 % Obesity 39.6% High blood pressure 40.9% High cholesterol 38.8% Diabetes 12.8% 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 % Smoking 25.1% Binge drinking 14.5% No physical activity 32.6% Less than 7 hrs sleep 32.4% Depression 26.6% 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% No insurance 5.3% 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 about ZIP code 72845
What city is ZIP code 72845 in?
ZIP code 72845 is primarily assigned to Knoxville, Arkansas.
What county is ZIP code 72845 in?
ZIP code 72845 falls within Johnson County, Arkansas.
Is ZIP code 72845 mostly owner-occupied?
93% of occupied units in ZIP code 72845 are owner-occupied, well above the national average.
How educated is the population of ZIP code 72845?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 72845 have a large retiree population?
44% of households in ZIP code 72845 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 72845?
18% of residents in ZIP code 72845 live below the poverty line, above the national average.
What timezone is ZIP code 72845 in?
ZIP code 72845 observes the CST timezone.
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