PlainZIP

Knoxville, AR · standard

ZIP Code 72845

Johnson County, Arkansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,216
41/sq mi
$63,462
Median income
$118,500
Median home value
10.4%
Bachelor's or higher

The verdict

Knoxville pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

36th pct
household income, US ZIPs
16th pct
home value, US ZIPs
41
people per sq mi
88%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 72845 against every reporting US ZIP.

ZIP code 72845 is a sparsely populated ZIP (a standard USPS delivery area) in Knoxville, Johnson County, Arkansas, home to just 1,216 residents across 30.0 square miles, a density of 41 people per square mile, in the Chicago time zone.

ZIP 72845 reports a modest median household income of $63,462 (12% above the Arkansas average), while per-capita income is $33,651. Poverty here runs at 20.3%, with unemployment measured at 2.0%. Housing costs here run $118,500 for a typical home value (19% below the state average), with rent averaging $933 a month; 87.9% of homes are owner-occupied.

Formal educational attainment runs low here: just 10.4% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is -. To put 72845 in local context, 6 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Johnson County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 72845, Knoxville, AR · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,216

Population

30.0

Area (sq mi)

41

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 72845?

41.7

Median Age

47.8%

Male

52.2%

Female

0.8%

Foreign-Born

White 97.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.0%
Hispanic or Latino 2.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$63,462

Median Household Income

+12% vs state

$33,651

Per Capita Income

20.3%

Poverty Rate

2.0%

Unemployment Rate

How ZIP 72845 ranks nationally

Knoxville, AR household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$63,462 36th percentile higher than 36% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.2%
Bachelor's Degree or Higher 10.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

520

Total Housing Units

480

Occupied Units

40

Vacant Units

2.21

Avg Household Size

Occupancy Type

Owner 87.9%
Renter 12.1%

$118,500

Median Home Value

-19% vs state

$933

Median Rent

1981

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 21 business establishments in ZIP 72845, employing approximately 261 people with a combined annual payroll of $12,386,000.

21

Businesses

261

Employees

$12.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Manufacturing 8 38.1%
Construction 3 14.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 72845 vs 72847 →

ZIP 72845 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 72845 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 72845 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 72845 ranks #4 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
72847 London, AR 2,850 5.9 mi
72835 Delaware, AR 923 6.2 mi
72863 Scranton, AR 1,582 7.5 mi
72846 Lamar, AR 3,913 8.8 mi
72851 New Blaine, AR 572 8.9 mi
72830 Clarksville, AR 14,896 12.9 mi

More ZIP Codes in Johnson County

72830 standard
Clarksville, AR
Pop: 14,896
72846 standard
Lamar, AR
Pop: 3,913
72840 standard
Hartman, AR
Pop: 2,149
72832 standard
Coal Hill, AR
Pop: 923
72854 standard
Ozone, AR
Pop: 703
72852 standard
Oark, AR
Pop: 315

Related Areas

Johnson County Knoxville, AR Arkansas

Frequently Asked Questions

What county is ZIP code 72845 in? ▼
ZIP code 72845 (Knoxville) is located in Johnson County, Arkansas. Johnson County contains multiple ZIP codes, see the full list at /counties/johnson-ar.
What is the population of ZIP code 72845? ▼
ZIP code 72845 in Knoxville, AR has a population of 1,216 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 72845? ▼
The median household income in ZIP 72845 is $63,462, which is 17% below the national average of $76,288.
What is the average home value in ZIP 72845? ▼
The median home value in ZIP 72845 is $118,500, which is 57% below the national average of $278,155.
What is the demographic makeup of ZIP 72845? ▼
The largest racial group in ZIP 72845 is White at 97.0%. Hispanic or Latino residents make up 2.1% of the population.
How many businesses are in ZIP code 72845? ▼
ZIP code 72845 has 21 business establishments employing approximately 261 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 72845? ▼
In ZIP code 72845, 63.2% of residents aged 25+ have a high school diploma or higher, and 10.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 72845? ▼
In ZIP code 72845, approximately 87.9% of occupied housing units are owner-occupied and 12.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 72845? ▼
The poverty rate in ZIP code 72845 is 20.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.