PlainZIP

Arlington, KY · standard

ZIP Code 42021

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

1,505
10/sq mi
$56,477
Median income
$94,800
Median home value
9.8%
Bachelor's or higher

The verdict

Arlington pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

23th pct
household income, US ZIPs
8th pct
home value, US ZIPs
10
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 42021 against every reporting US ZIP.

ZIP code 42021 covers 149.0 square miles in Arlington, Carlisle County, Kentucky (a standard USPS delivery area), with a modest 1,505 residents on file, a density of 10 people per square mile, in the Chicago time zone.

ZIP 42021 reports a modest median household income of $56,477 (5% below the Kentucky average), while per-capita income is $34,819. Poverty here runs at 14.0%, with unemployment measured at 10.9%. Housing costs here run $94,800 for a typical home value (40% below the state average), with rent averaging - a month; 81.5% of homes are owner-occupied.

Formal educational attainment runs low here: just 9.8% of adults hold a bachelor's degree or higher, the median age is 45, and the average commute is 27 minutes. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 2 more sharing Carlisle County, letting you compare 42021 to its immediate surroundings rather than a national baseline alone.

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 →

Top industries in ZIP 42021

Top 5 sectors by establishment count in Arlington, KY

Which industries have the most business establishments in ZIP 42021.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 42021, Arlington, KY · 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

1,505

Population

149.0

Area (sq mi)

10

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 42021?

45.0

Median Age

48.8%

Male

51.2%

Female

0.0%

Foreign-Born

White 88.7%
African American 1.7%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.8%
Two or More Ethnicities 8.7%
Hispanic or Latino 3.4%

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?

$56,477

Median Household Income

-5% vs state

$34,819

Per Capita Income

14.0%

Poverty Rate

10.9%

Unemployment Rate

27.0 min

Mean Commute Time

How ZIP 42021 ranks nationally

Arlington, KY household income vs. every US ZIP code

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

$56,477 23rd percentile higher than 23% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $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 60.7%
Bachelor's Degree or Higher 9.8%

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

What does housing look like?

636

Total Housing Units

459

Occupied Units

177

Vacant Units

2.37

Avg Household Size

Occupancy Type

Owner 81.5%
Renter 18.5%

$94,800

Median Home Value

-40% vs state

1981

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 18 business establishments in ZIP 42021, employing approximately 97 people with a combined annual payroll of $3,593,000.

18

Businesses

97

Employees

$3.6M

Annual Payroll

3

Industry Sectors

Industry Establishments % of Total
Construction 3 16.7%
Retail trade 3 16.7%
Other services (except public administration) 3 16.7%

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 42021 vs 42023 →

ZIP 42021 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 42021 ranks #3 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 42021 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 42021 ranks #3 of 4 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
42023 Bardwell, KY 2,422 5.0 mi
42032 Columbus, KY 192 5.0 mi
42031 Clinton, KY 3,418 8.3 mi

More ZIP Codes in Carlisle County

42023 standard
Bardwell, KY
Pop: 2,422
42035 standard
Cunningham, KY
Pop: 1,068

Related Areas

Carlisle County Arlington, KY Kentucky

Frequently Asked Questions

What county is ZIP code 42021 in? ▼
ZIP code 42021 (Arlington) is located in Carlisle County, Kentucky. Carlisle County contains multiple ZIP codes, see the full list at /counties/carlisle-ky.
What is the population of ZIP code 42021? ▼
ZIP code 42021 in Arlington, KY has a population of 1,505 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 42021? ▼
The median household income in ZIP 42021 is $56,477, which is 26% below the national average of $76,288.
What is the average home value in ZIP 42021? ▼
The median home value in ZIP 42021 is $94,800, which is 66% below the national average of $278,155.
What is the demographic makeup of ZIP 42021? ▼
The largest racial group in ZIP 42021 is White at 88.7%. Hispanic or Latino residents make up 3.4% of the population.
How many businesses are in ZIP code 42021? ▼
ZIP code 42021 has 18 business establishments employing approximately 97 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 42021? ▼
The top industries by establishment count in ZIP 42021 are: Construction (3), Retail trade (3), Other services (except public administration) (3). There are 3 industry sectors represented in total.
What is the education level in ZIP code 42021? ▼
In ZIP code 42021, 60.7% of residents aged 25+ have a high school diploma or higher, and 9.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 42021? ▼
The mean commute time for workers in ZIP code 42021 is 27.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 42021? ▼
In ZIP code 42021, approximately 81.5% of occupied housing units are owner-occupied and 18.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 42021? ▼
The poverty rate in ZIP code 42021 is 14.0% 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.