Zip code 42120: Adolphus, Kentucky

Q: What city is zip code 42120?

42120 is assigned to Adolphus, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 42120 in?

42120 is in Allen County, Kentucky.

Q: What is the population of 42120?

About 2,745 people live in 42120, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 42120?

The median household income in 42120 is $64,958.

Q: What zip codes are near 42120?

The closest zip codes to 42120 are 37186, 42164, 37022, 42153, 42122.

Residential delivery areaAllen CountyCentral Time

Population

2,745

Median household income

$65K

U.S. $81K

Median home value

$179K

U.S. $333K

Median rent

$859/mo

U.S. $1,413

Median age

38.1

U.S. 38.9

Land area

43 sq mi

64 people/sq mi

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

About 42120

42120 is a small-town zip code in Adolphus, Kentucky (Allen County), covering 43 sq mi of land. About 2,745 people live here, or 64 per square mile. The median resident is 38.1 years old, compared with 38.9 nationally.

The median household earns $64,958 a year, 20% below the national median of $80,734. 7.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $178,500, or 2.7 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 92% of occupied homes are lived in by their owners, and renters pay a median of $859 a month.

26% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 34.8 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in transportation and moving goods; cleaning and personal care; and production and manufacturing.

How 42120 compares

Sorted from highest to lowest national percentile

Homeownership rate92.1%
98th
StrengthU.S. 65.2% · KY 68.3%95th of 719 in KY
Housing vacancy19.4%
93rd
U.S. 10.1% · KY 10.3%190th of 719 in KY
Average commute34.8 min
91st
WeaknessU.S. 26.4 min · KY 24 min97th of 624 in KY
Unemployment rate8.4%
89th
WeaknessU.S. 5.2% · KY 4.9%124th of 719 in KY
Residents under 1826.7%
85th
U.S. 22% · KY 22.6%154th of 724 in KY
Government workers16.2%
67th
U.S. 14.5% · KY 14.6%298th of 719 in KY
Uninsured rate8.8%
64th
U.S. 8.4% · KY 6%135th of 723 in KY
Veterans6.7%
62nd
U.S. 6.2% · KY 6.5%275th of 724 in KY
Work from home12.1%
47th
U.S. 15.1% · KY 10.2%147th of 719 in KY
Broadband access91.6%
45th
U.S. 91% · KY 88.6%185th of 719 in KY
Median age38.1
43rd
U.S. 38.9 · KY 39.1527th of 724 in KY
Self-employed workers8.5%
39th
U.S. 10% · KY 8.6%329th of 719 in KY
Bachelor's degree or higher26.2%
37th
U.S. 35.7% · KY 27.6%136th of 723 in KY
Poverty rate7.7%
30th
U.S. 12.5% · KY 16.1%609th of 722 in KY
Median household income$64,958
28th
U.S. $80,734 · KY $63,726210th of 641 in KY
Median home value$178,500
17th
U.S. $332,700 · KY $205,600196th of 642 in KY
Median gross rent$859
11th
U.S. $1,413 · KY $967190th of 467 in KY
Per capita income$25,838
10th
WeaknessU.S. $44,673 · KY $35,821443rd of 722 in KY
Population density64/sq mi
9th
U.S. 95/sq mi · KY 115/sq mi332nd of 724 in KY
Residents 65 and older10%
8th
U.S. 17.2% · KY 17.3%649th of 724 in KY
Tech workers0.7%
8th
U.S. 3.8% · KY 2.2%278th of 719 in KY
Rent-burdened renters29.6%
5th
StrengthU.S. 51.1% · KY 45.4%445th of 634 in KY
Population2,745
4th
U.S. 334,922,499 · KY 4,534,824276th of 724 in KY
Median earnings per worker$32,111
4th
WeaknessU.S. $49,666 · KY $43,552586th of 700 in KY
Diversity index8.1
3rd
U.S. 61.4 · KY 32.5460th of 724 in KY
Healthcare workers4.7%
3rd
U.S. 9.7% · KY 10.5%559th of 719 in KY
Foreign-born residents0.1%
1st
U.S. 14.1% · KY 4.7%413th of 724 in KY
Income inequality (Gini)0.308
1st
StrengthU.S. 0.483 · KY 0.477650th of 715 in KY

Measure	42120	Allen	KY	U.S.	National percentile	Rank in KY
Homeownership rateStrength	92.1%	74.5%	68.3%	65.2%	98th	95th of 719
Housing vacancy	19.4%	13.4%	10.3%	10.1%	93rd	190th of 719
Average commuteWeakness	34.8 min	27.3 min	24 min	26.4 min	91st	97th of 624
Unemployment rateWeakness	8.4%	6.9%	4.9%	5.2%	89th	124th of 719
Residents under 18	26.7%	23.1%	22.6%	22%	85th	154th of 724
Government workers	16.2%	12.7%	14.6%	14.5%	67th	298th of 719
Uninsured rate	8.8%	7.6%	6%	8.4%	64th	135th of 723
Veterans	6.7%	8.7%	6.5%	6.2%	62nd	275th of 724
Work from home	12.1%	5.7%	10.2%	15.1%	47th	147th of 719
Broadband access	91.6%	82.9%	88.6%	91%	45th	185th of 719
Median age	38.1	40.7	39.1	38.9	43rd	527th of 724
Self-employed workers	8.5%	10.9%	8.6%	10%	39th	329th of 719
Bachelor's degree or higher	26.2%	18.4%	27.6%	35.7%	37th	136th of 723
Poverty rate	7.7%	13.5%	16.1%	12.5%	30th	609th of 722
Median household income	$64,958	$61,403	$63,726	$80,734	28th	210th of 641
Median home value	$178,500	$192,300	$205,600	$332,700	17th	196th of 642
Median gross rent	$859	$844	$967	$1,413	11th	190th of 467
Per capita incomeWeakness	$25,838	$30,852	$35,821	$44,673	10th	443rd of 722
Population density	64/sq mi	62/sq mi	115/sq mi	95/sq mi	9th	332nd of 724
Residents 65 and older	10%	17.9%	17.3%	17.2%	8th	649th of 724
Tech workers	0.7%	1.1%	2.2%	3.8%	8th	278th of 719
Rent-burdened rentersStrength	29.6%	42.1%	45.4%	51.1%	5th	445th of 634
Population	2,745	21,293	4,534,824	334,922,499	4th	276th of 724
Median earnings per workerWeakness	$32,111	$40,844	$43,552	$49,666	4th	586th of 700
Diversity index	8.1	13.9	32.5	61.4	3rd	460th of 724
Healthcare workers	4.7%	8.2%	10.5%	9.7%	3rd	559th of 719
Foreign-born residents	0.1%	1.3%	4.7%	14.1%	1st	413th of 724
Income inequality (Gini)Strength	0.308	0.435	0.477	0.483	1st	650th of 715

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

Under 5

19%

5–17

10%

18–24

12%

25–34

13%

35–44

16%

45–54

13%

55–64

65–74

75+

Median age

38.1

Under 18

26.7%

65 and over

10%

Race and ethnicity

White96%
Black0%
Hispanic0.5%
Asian0.1%
Native American0%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

8.1

U.S. 61.4

Foreign-born

0.1%

U.S. 14.1%

Born in state

54.1%

Language spoken at home (households)

English only

99%

Spanish

Other Indo-European

Asian / Pacific

0.9%

Other

Households

Households: 896
Average household size: 3.1
Family households: 89%
Married couples: 73.8%
Living alone: 11%
Veterans (of adults): 6.7%
Male / female: 54% / 46%

Income and poverty

Household income distribution

<$25k

10%

$25–50k

14%

$50–75k

35%

$75–100k

14%

$100–150k

23%

$150–200k

$200k+

Median household income

42120

$64,958

Allen Co.

$61,403

Kentucky

$63,726

United States

$80,734

Per capita income

$25,838

U.S. $44,673

Poverty rate

7.7%

U.S. 12.5%

Households earning $150K+

4.7%

U.S. 23%

Income inequality (Gini)

0.308

U.S. 0.483

Housing

Median home value

42120

$178,500

Allen Co.

$192,300

Kentucky

$205,600

United States

$332,700

Median gross rent

42120

$859

Allen Co.

$844

Kentucky

$967

United States

$1,413

Types of housing

Single-family

70%

2–4 units

5–19 units

20+ units

Mobile home

30%

Boat, RV, van

Housing units: 1,111
Owner-occupied: 92.1%
Vacant: 19.4%
Median year built: 1998
Median rooms: 5.9
Renters paying 30%+ of income: 29.6%
Renters paying 50%+ of income: 29.6%
Home value to income: 2.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

14%

Transit

Walked

Bicycle

Worked from home

12%

Other

Commute time (one way)

<10 min

12%

10–19

21%

20–29

30–44

34%

45–59

18%

60+

12%

Average commute

34.8 min

U.S. 26.4 min

Unemployment

8.4%

U.S. 5.2%

In labor force

65.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Transportation and moving

16%

Cleaning and personal care

14%

Production

10%

Construction and repair

Office and admin

Education

Engineering and science

Sales

Food service

Healthcare

Business and finance

Legal and social services

Management

Police and fire

Computer and math

0.7%

Arts, media and sports

Farming, fishing and forestry

Industries

Manufacturing

17%

Retail

12%

Restaurants and hotels

10%

Health care and social assistance

10%

Wholesale

10%

Education

Construction

Other services

Transportation, warehousing and utilities

Agriculture and mining

Finance, insurance and real estate

Admin, support and management

Public administration

Professional and technical services

Information

Arts and recreation

Median earnings per worker

$32,111

U.S. $49,666

Self-employed

8.5%

U.S. 10%

Government workers

16.2%

U.S. 14.5%

Nonprofit workers

11.5%

U.S. 8.8%

Median earnings by type of work

Type of work	42120	U.S.
Management, business, science and arts	$43,590	$74,888
Service	$19,627	$26,804
Sales and office	$24,853	$40,476
Construction and maintenance	$50,500	$49,199
Production and transportation	$48,015	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

41%

Some college

19%

Associate's

Bachelor's

22%

Graduate

High school graduate or higher: 91.7%
Bachelor's degree or higher: 26.2%
Graduate or professional degree: 4.4%
Households with broadband: 91.6%
Cable, fiber or DSL: 73.3%
No internet access: 5%
Without health insurance: 8.8%
Limited-English households: 0%

Geography

City (USPS): Adolphus
State: Kentucky
County: Allen County
Center point: 36.6759° N, 86.2826° W
Land area: 43 sq mi
Water area: 0.2 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Zip codes near 42120

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
37186	Westmoreland, TN	6.4 mi	10,709	$59,545	$221,500
42164	Scottsville, KY	8.6 mi	17,673	$60,106	$196,800
37022	Bethpage, TN	11 mi	5,728	$79,375	$287,900
42153	Holland, KY	13 mi	18	—	—
42122	Alvaton, KY	13 mi	5,513	$113,705	$297,100
37148	Portland, TN	14 mi	26,274	$81,633	$295,000
37119	Mitchellville, TN · PO box	15 mi	—	—	—
42134	Franklin, KY	16 mi	19,380	$59,113	$226,800
42135	Franklin, KY · PO box	17 mi	—	—	—
42104	Bowling Green, KY	17 mi	42,076	$75,164	$306,400
42102	Bowling Green, KY · PO box	18 mi	—	—	—
37083	Lafayette, TN	18 mi	17,364	$61,843	$239,500

Zip codes like 42120 elsewhere

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

Questions about 42120

What city is zip code 42120?

42120 is assigned to Adolphus, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 42120 in?

42120 is in Allen County, Kentucky.

What is the population of 42120?

About 2,745 people live in 42120, according to the Census Bureau's American Community Survey.

What time zone is 42120 in?

42120 is in Central Time.

What is the median household income in 42120?

The median household income in 42120 is $64,958.

What zip codes are near 42120?

The closest zip codes to 42120 are 37186, 42164, 37022, 42153, 42122.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 42120, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.