ZipCodeLook
42728

Zip code 42728: Columbia, Kentucky

Residential delivery areaAdair CountyCentral Time
Population
16,412
Median household income
$52K
U.S. $81K
Median home value
$151K
U.S. $333K
Median rent
$771/mo
U.S. $1,413
Median age
39.2
U.S. 38.9
Land area
321 sq mi
51 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 42728

42728 is a small-town zip code in Columbia, Kentucky (Adair County), covering 321 sq mi of land. About 16,412 people live here, or 51 per square mile. The median resident is 39.2 years old, compared with 38.9 nationally.

The median household earns $51,623 a year, 36% below the national median of $80,734. 17.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $151,300, or 2.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 76% of occupied homes are lived in by their owners, and renters pay a median of $771 a month.

23% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 22.2 minutes each way, and 13% of workers work from home. The most common jobs among working residents are in transportation and moving goods; production and manufacturing; and healthcare.

How 42728 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
39.2
Under 18
19%
65 and over
19.8%

Race and ethnicity

  • White90%
  • Black2%
  • Hispanic4%
  • Asian0.3%
  • Native American0.0%
  • Pacific Islander0.3%
  • Other0.0%
  • Multiracial3%
Diversity index
18.5
U.S. 61.4
Foreign-born
4.1%
U.S. 14.1%
Born in state
75.1%

Language spoken at home (households)

English only
95%
Spanish
2%
Other Indo-European
3%
Asian / Pacific
0%
Other
0.4%

Households

Households
6,223
Average household size
2.4
Family households
64.2%
Married couples
50.2%
Living alone
32.2%
Veterans (of adults)
6.9%
Male / female
50% / 50%

Income and poverty

Household income distribution

<$25k
26%
$25–50k
23%
$50–75k
18%
$75–100k
10%
$100–150k
15%
$150–200k
5%
$200k+
2%

Median household income

42728
$51,623
Adair Co.
$53,553
Kentucky
$63,726
United States
$80,734
Per capita income
$29,071
U.S. $44,673
Poverty rate
17.1%
U.S. 12.5%
Households earning $150K+
7.5%
U.S. 23%
Income inequality (Gini)
0.480
U.S. 0.483

Housing

Median home value

42728
$151,300
Adair Co.
$150,800
Kentucky
$205,600
United States
$332,700

Median gross rent

42728
$771
Adair Co.
$771
Kentucky
$967
United States
$1,413

Types of housing

Single-family
73%
2–4 units
3%
5–19 units
4%
20+ units
0.9%
Mobile home
18%
Boat, RV, van
0.1%
Housing units
7,586
Owner-occupied
76%
Vacant
18%
Median year built
1982
Median rooms
5.4
Renters paying 30%+ of income
46.4%
Renters paying 50%+ of income
19.6%
Home value to income
2.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
71%
Carpooled
11%
Transit
0%
Walked
3%
Bicycle
0%
Worked from home
13%
Other
2%

Commute time (one way)

<10 min
26%
10–19
27%
20–29
22%
30–44
15%
45–59
4%
60+
7%
Average commute
22.2 min
U.S. 26.4 min
Unemployment
6.8%
U.S. 5.2%
In labor force
54.5%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Transportation and moving
11%
Production
11%
Healthcare
11%
Management
11%
Office and admin
10%
Construction and repair
10%
Sales
9%
Education
7%
Cleaning and personal care
5%
Food service
4%
Legal and social services
3%
Business and finance
3%
Computer and math
1%
Arts, media and sports
1%
Engineering and science
0.8%
Police and fire
0.7%
Farming, fishing and forestry
0.4%

Industries

Health care and social assistance
15%
Retail
15%
Manufacturing
15%
Education
13%
Construction
8%
Transportation, warehousing and utilities
6%
Restaurants and hotels
6%
Public administration
6%
Other services
3%
Admin, support and management
3%
Professional and technical services
3%
Agriculture and mining
2%
Arts and recreation
2%
Finance, insurance and real estate
2%
Wholesale
2%
Information
0.1%
Median earnings per worker
$33,766
U.S. $49,666
Self-employed
12%
U.S. 10%
Government workers
18.6%
U.S. 14.5%
Nonprofit workers
6.3%
U.S. 8.8%

Median earnings by type of work

Type of work42728U.S.
Management, business, science and arts$54,726$74,888
Service$17,500$26,804
Sales and office$28,052$40,476
Construction and maintenance$41,500$49,199
Production and transportation$28,529$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
17%
High school
36%
Some college
18%
Associate's
7%
Bachelor's
11%
Graduate
11%
High school graduate or higher
83.4%
Bachelor's degree or higher
22.8%
Graduate or professional degree
11.3%
Households with broadband
84.7%
Cable, fiber or DSL
65.4%
No internet access
13.7%
Without health insurance
6.9%
Limited-English households
0.8%

Geography

City (USPS)
Columbia
Center point
37.1170° N, 85.2901° W
Land area
321 sq mi
Water area
5.8 sq mi
Time zone
Central Time (UTC-6, UTC-5 in summer)
Zip type
Residential delivery area

42728 spans 2 counties

Cities and towns within this zip

  • Columbia2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 42728

ZipCityDistanceIncome
42720Cane Valley · PO box4.7 mi—
42741Glens Fork10 mi$78,269
42742Gradyville11 mi—
42753Knifley11 mi$54,565
42715Breeding14 mi—
42642Russell Springs15 mi$52,633
42743Greensburg15 mi$49,457
42528Dunnville15 mi$50,227
42719Campbellsville · PO box15 mi—
42629Jamestown16 mi$36,484
42733Elk Horn17 mi$81,250
42129Edmonton19 mi$53,609

Zip codes like 42728 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 42728

What city is zip code 42728?

42728 is assigned to Columbia, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 42728 in?

42728 is mostly in Adair County, but it extends into 1 other county.

What is the population of 42728?

About 16,412 people live in 42728, according to the Census Bureau's American Community Survey.

What time zone is 42728 in?

42728 is in Central Time.

What is the median household income in 42728?

The median household income in 42728 is $51,623.

What zip codes are near 42728?

The closest zip codes to 42728 are 42720, 42741, 42742, 42753, 42715.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 42728, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.