Zip code 42728: Columbia, Kentucky
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
- 91stU.S. 10.1% · KY 10.3%211th of 719 in KY
- 81stWeaknessU.S. 0.483 · KY 0.477146th of 715 in KY
- Government workers18.6%79thU.S. 14.5% · KY 14.6%226th of 719 in KY
- 78thU.S. 5.2% · KY 4.9%178th of 719 in KY
- Poverty rate17.1%77thU.S. 12.5% · KY 16.1%366th of 722 in KY
- 77thU.S. 10% · KY 8.6%166th of 719 in KY
- 73rdU.S. 17.2% · KY 17.3%266th of 724 in KY
- 69thU.S. 65.2% · KY 68.3%398th of 719 in KY
- Healthcare workers10.8%69thU.S. 9.7% · KY 10.5%304th of 719 in KY
- Veterans6.9%65thU.S. 6.2% · KY 6.5%250th of 724 in KY
- Median age39.251stU.S. 38.9 · KY 39.1491st of 724 in KY
- 51stU.S. 15.1% · KY 10.2%122nd of 719 in KY
- Uninsured rate6.9%51stU.S. 8.4% · KY 6%206th of 723 in KY
- 34thU.S. 51.1% · KY 45.4%262nd of 634 in KY
- 28thU.S. 35.7% · KY 27.6%181st of 723 in KY
- Population16,41225thU.S. 334,922,499 · KY 4,534,82499th of 724 in KY
- Average commute22.2 min24thU.S. 26.4 min · KY 24 min472nd of 624 in KY
- 24thU.S. 14.1% · KY 4.7%108th of 724 in KY
- 24thU.S. 22% · KY 22.6%502nd of 724 in KY
- Tech workers1.4%20thU.S. 3.8% · KY 2.2%210th of 719 in KY
- Per capita income$29,07116thWeaknessU.S. $44,673 · KY $35,821337th of 722 in KY
- Broadband access84.7%12thWeaknessU.S. 91% · KY 88.6%421st of 719 in KY
- Diversity index18.511thU.S. 61.4 · KY 32.5235th of 724 in KY
- Median household income$51,62310thWeaknessU.S. $80,734 · KY $63,726403rd of 641 in KY
- Median home value$151,30010thU.S. $332,700 · KY $205,600302nd of 642 in KY
- Population density51/sq mi7thU.S. 95/sq mi · KY 115/sq mi399th of 724 in KY
- Median earnings per worker$33,7667thWeaknessU.S. $49,666 · KY $43,552552nd of 700 in KY
- 5thU.S. $1,413 · KY $967268th of 467 in KY
| Measure | 42728 | Adair | KY | U.S. | National percentile | Rank in KY |
|---|---|---|---|---|---|---|
| Housing vacancy | 18% | 17.5% | 10.3% | 10.1% | 211th of 719 | |
| Income inequality (Gini)Weakness | 0.480 | 0.472 | 0.477 | 0.483 | 146th of 715 | |
| Government workers | 18.6% | 18.5% | 14.6% | 14.5% | 226th of 719 | |
| Unemployment rate | 6.8% | 6.8% | 4.9% | 5.2% | 178th of 719 | |
| Poverty rate | 17.1% | 18.4% | 16.1% | 12.5% | 366th of 722 | |
| Self-employed workers | 12% | 13.5% | 8.6% | 10% | 166th of 719 | |
| Residents 65 and older | 19.8% | 19.7% | 17.3% | 17.2% | 266th of 724 | |
| Homeownership rate | 76% | 77.2% | 68.3% | 65.2% | 398th of 719 | |
| Healthcare workers | 10.8% | 10.6% | 10.5% | 9.7% | 304th of 719 | |
| Veterans | 6.9% | 7.7% | 6.5% | 6.2% | 250th of 724 | |
| Median age | 39.2 | 39.7 | 39.1 | 38.9 | 491st of 724 | |
| Work from home | 13% | 13.7% | 10.2% | 15.1% | 122nd of 719 | |
| Uninsured rate | 6.9% | 7.5% | 6% | 8.4% | 206th of 723 | |
| Rent-burdened renters | 46.4% | 47.9% | 45.4% | 51.1% | 262nd of 634 | |
| Bachelor's degree or higher | 22.8% | 21.8% | 27.6% | 35.7% | 181st of 723 | |
| Population | 16,412 | 19,089 | 4,534,824 | 334,922,499 | 99th of 724 | |
| Average commute | 22.2 min | 23.8 min | 24 min | 26.4 min | 472nd of 624 | |
| Foreign-born residents | 4.1% | 3.7% | 4.7% | 14.1% | 108th of 724 | |
| Residents under 18 | 19% | 19.7% | 22.6% | 22% | 502nd of 724 | |
| Tech workers | 1.4% | 1.9% | 2.2% | 3.8% | 210th of 719 | |
| Per capita incomeWeakness | $29,071 | $28,489 | $35,821 | $44,673 | 337th of 722 | |
| Broadband accessWeakness | 84.7% | 85.1% | 88.6% | 91% | 421st of 719 | |
| Diversity index | 18.5 | 18 | 32.5 | 61.4 | 235th of 724 | |
| Median household incomeWeakness | $51,623 | $53,553 | $63,726 | $80,734 | 403rd of 641 | |
| Median home value | $151,300 | $150,800 | $205,600 | $332,700 | 302nd of 642 | |
| Population density | 51/sq mi | 47/sq mi | 115/sq mi | 95/sq mi | 399th of 724 | |
| Median earnings per workerWeakness | $33,766 | $34,049 | $43,552 | $49,666 | 552nd of 700 | |
| Median gross rent | $771 | $771 | $967 | $1,413 | 268th of 467 |
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
Race and ethnicity
- White90%
- Black2%
- Hispanic4%
- Asian0.3%
- Native American0.0%
- Pacific Islander0.3%
- Other0.0%
- Multiracial3%
Language spoken at home (households)
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
Median household income
Housing
Median home value
Median gross rent
Types of housing
- 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
Commute time (one way)
Jobs and careers
Occupations
Industries
Median earnings by type of work
| Type of work | 42728 | U.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+)
- 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
- State
- Kentucky
- County
- Adair County
- 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
- Adair County96% of land
- Taylor County4% of land
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
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 42720 | Cane Valley, KY · PO box | 4.7 mi | — |
| 42741 | Glens Fork, KY | 10 mi | $78,269 |
| 42742 | Gradyville, KY | 11 mi | — |
| 42753 | Knifley, KY | 11 mi | $54,565 |
| 42715 | Breeding, KY | 14 mi | — |
| 42642 | Russell Springs, KY | 15 mi | $52,633 |
| 42743 | Greensburg, KY | 15 mi | $49,457 |
| 42528 | Dunnville, KY | 15 mi | $50,227 |
| 42719 | Campbellsville, KY · PO box | 15 mi | — |
| 42629 | Jamestown, KY | 16 mi | $36,484 |
| 42733 | Elk Horn, KY | 17 mi | $81,250 |
| 42129 | Edmonton, KY | 19 mi | $53,609 |
Zip codes like 42728 elsewhere
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.