Adolphus ZIP Codes — Allen County, KY

There is one unique ZIP code in Adolphus, Kentucky and it is 42120. Area code: 270/364.

ZIP codes

43.24

sq mi land

0.17

sq mi water

270/364

area code

Adolphus, KY ZIP code map

About Adolphus, KY

Adolphus is a charming city located in the state of Kentucky. It is situated within Allen County, providing a small-town feel with a close-knit community. Known for its tranquility and scenic landscapes, Adolphus offers a unique blend of rural charm and accessibility.

Location & geography

Adolphus is positioned in the south-central part of Kentucky, approximately 12 miles from the larger town of Glasgow. Nearby cities include Scottsville, roughly 6 miles away, and Bowling Green, which lies approximately 26 miles to the northwest. The city covers a total land area of 43.24 square miles, complemented by a small water area of 0.17 square miles, giving it a predominantly land-based terrain.

Community & economy

The community in Adolphus is tight-knit and welcoming, fostering a strong sense of togetherness among residents. The local economy is characterized by agriculture and small businesses, maintaining the area's rural charm. Daily life in Adolphus is peaceful, with local events and gatherings that reflect the community's values and traditions.

Transportation

Adolphus is conveniently accessed via Highway 31E, which connects it to nearby towns and cities. The nearest airport is located in Bowling Green, providing regional air travel options. Public transportation options are limited, reflecting the city’s rural nature.

History

Adolphus was established in the late 19th century, serving as a hub for local agricultural activities. Key industries historically included farming and agribusiness, which continue to play a significant role in the local economy today. The city has seen growth over the years while maintaining its rural roots.

Did you know?

One surprising fact about Adolphus is that it has been known for its picturesque landscapes that attract nature enthusiasts. Despite its small size, the city offers a unique glimpse into Kentucky's rural heritage.

ZIP codes for Adolphus, KY (1)

ZIP code	City	County	Map
42120	Adolphus	Allen	View map

Demographics & statistics

2,746

Population

38.0

Median age

$61,607

Median household income

$25,959

Per capita income

$171,000

Median home value

$624

Median monthly rent

81.3%

Home ownership

12.6%

Poverty rate

8.1%

Unemployment

933

Housing units

24.9%

Bachelor's or higher

Age distribution

Male Female

109

Under 5

109

213

5–9

214

10–14

15–19

20–24

151

25–34

152

243

35–44

244

138

45–54

138

55–59

60–64

131

65–74

131

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	783	28.5%
18 and over	1,963	71.5%
65 and over	358	13.0%
Median age	38.0 years

Race & ethnicity

White 98.6%

Two or more races 1.1%

Asian 0.3%

Group	Count	%
White	2,708	98.6%
Two or more races	31	1.1%
Asian	7	0.3%

Household income

Under $10k 8.5%

$10k–$15k 2.3%

$15k–$25k 12.0%

$25k–$35k 0.8%

$35k–$50k 17.3%

$50k–$75k 14.5%

$75k–$100k 10.1%

$100k–$150k 26.9%

$150k–$200k 5.6%

$200k+ 2.0%

Range	% of households
Under $10k	8.5%
$10k–$15k	2.3%
$15k–$25k	12.0%
$25k–$35k	0.8%
$35k–$50k	17.3%
$50k–$75k	14.5%
$75k–$100k	10.1%
$100k–$150k	26.9%
$150k–$200k	5.6%
$200k+	2.0%
Median income	$61,607

Housing

Home values

Under $50k 9.6%

$50k–$100k 17.2%

$100k–$150k 14.6%

$150k–$200k 15.0%

$200k–$300k 21.7%

$300k–$500k 21.7%

$500k–$1M 0.3%

Housing overview

Metric	Value
Median home value	$171,000
Median rent / month	$624
Owner occupied	81.3%
Renter occupied	18.7%
Vacant	18.6%
Single-family detached	71.9%
Large apartment buildings	0.0%
Mobile homes	28.1%
Median rooms	5.8
Avg household size (owned)	3.28

Year built

Era	%
2020 or later	5.5%
2010–2019	10.1%
2000–2009	21.8%
1990–1999	24.3%
1980–1989	6.3%
1970–1979	10.5%
1960–1969	3.7%
1950–1959	0.7%
1940–1949	6.4%
1939 or earlier	10.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	7.4%
2 bedrooms	29.6%
3 bedrooms	45.1%
4 bedrooms	14.3%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	20.4%
2 vehicles	28.9%
3 or more	47.4%

Heating fuel

Fuel type	%
Utility gas	3.7%
Electricity	77.5%
Propane / LP gas	10.2%
Wood	8.6%

Households & families

Household type	Count	%
Married-couple family	583	65.1%
Cohabiting couple	54	6.0%
Male householder, no spouse	141	15.8%
Female householder, no spouse	117	13.1%
Households with children under 18	363	40.6%
Households with seniors (65+)	258	28.8%
Average household size	3.07

Marital status

Status	Male	Female
Never married	16.2%	35.9%
Married	71.9%	52.3%
Separated	0.0%	0.7%
Widowed	1.7%	3.7%
Divorced	10.2%	7.4%

Education

Less than 9th grade 10.1%

Some HS, no diploma 2.8%

HS graduate 46.6%

Some college, no degree 12.1%

Associate's degree 3.6%

Bachelor's degree 19.1%

Graduate / professional 5.7%

Metric	%
HS diploma or higher	87.1%
Bachelor's or higher	24.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	127	18.5%
Kindergarten	32	4.7%
Elementary school	415	60.6%
High school	58	8.5%
College / grad school	53	7.7%

Employment

Industry of employment

Education & healthcare 29.4%

Manufacturing 12.7%

Transportation & utilities 12.6%

Other services 10.5%

Arts, food & hospitality 8.3%

Retail trade 6.0%

Professional & management 5.0%

Wholesale trade 4.8%

Finance & real estate 4.4%

Construction 3.2%

Agriculture & mining 1.6%

Public administration 1.5%

Occupation

Category	%
Management, business & arts	37.3%
Service	19.8%
Sales & office	10.1%
Natural resources & construction	7.3%
Production & transportation	25.5%

Employment type

Type	%
Private sector	77.2%
Government	16.0%
Self-employed	6.3%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	73.5%
Carpool	12.7%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	33.1

Poverty

All people 12.6%

Under 18 years 19.0%

18 and over 10.1%

Married-couple families 5.1%

Female-led households 43.8%

Income support

Source	% of households
Social Security	30.8%
Retirement income	21.3%
Supplemental Security	1.3%
Cash public assistance	4.4%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
High blood pressure	42.9%
High cholesterol	36.8%
Heart disease	8.4%
Stroke	3.9%
Asthma	12.1%
Arthritis	32.4%
Kidney disease	3.4%
Pulmonary disease	12.8%
Cancer	6.3%

Behavior / access	%
Binge drinking	15.4%
No physical activity	34.9%
Less than 7 hrs sleep	41.5%
Fair or poor health	24.3%
Poor mental health	20.1%
Poor physical health	16.4%
No health insurance	12.2%
Visited doctor (checkup)	75.1%
Visited dentist	46.4%
Cholesterol screening	87.9%
Teeth loss	23.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	125	6.4%

Disability	%
Any disability	11.0%
Under 18	3.3%
18–64 years	10.5%
65 and over	29.9%

Health insurance coverage

Type	%
Private insurance	58.5%
Public insurance	36.4%
Uninsured under 19	7.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,528	92.1%
Spanish	28	1.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	28	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,706	98.5%
Born in same state	2,698	98.3%
Born in different state	1,328	48.4%
Foreign born	8	0.3%
Naturalized citizen	40	1.5%
Not a US citizen	7	17.5%

Ancestry

Ancestry	Count	%
French	628	22.9%
Arab	280	10.2%

Ancestry	Count	%
Italian	200	7.3%
English	5	0.2%

Technology access

Metric	% of households
Computer access	32.6%
Internet access	92.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Adolphus, KY have?

Adolphus, KY has one ZIP code: 42120. Each ZIP code serves a distinct delivery area within the city and surrounding region.