42327 ZIP Code — Calhoun, KY

Mclean County, Kentucky

ZIP code 42327 is located in Calhoun, Kentucky, within Mclean County. It covers approximately 123.39 square miles and serves a population of 4,703 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42327

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $142,900. Owner-occupancy is high at 82%, well above the national average.

Median household income is $61,500. The poverty rate of 3% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Overall, ZIP code 42327 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

4,703

population

123.39

sq mi land

Standard

ZIP type

Central (CT)

timezone

42327 ZIP code map

Cities in ZIP code 42327

Below are the cities the US Postal Service accepts for ZIP code 42327. Using any city not on this list may result in mail delivery delays.

City	Status
Calhoun	Acceptable
Calhoun	Preferred

Nearby ZIP codes

42376 Utica (10.3 mi) 42350 Island (10.9 mi) 42372 Sacramento (11.8 mi) 42456 Slaughters (12.1 mi) 42301 Owensboro (12.4 mi) 42352 Livermore (12.5 mi) 42455 Sebree (13.1 mi) 42413 Hanson (13.3 mi) 42452 Robards (13.9 mi) 42325 Bremen (17.2 mi) 42436 Manitou (18.3 mi) 42303 Owensboro (18.5 mi)

Demographics updated 05/2026

Population
Total population	4,703
Population density	38 / sq mi
State FIPS	21
County FIPS	149

Geography
Land area	123.39 sq mi
Water area	2.13 sq mi
Latitude	37.5841
Longitude	-87.2946
Timezone	Central (CT)
Area code	270/364

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.7%	45.3%	47.9%
$50k – $100k	29.8%	33.3%	30.3%
$100k – $200k	23.1%	19.7%	17.6%
Over $200k	2.4%	1.7%	4.2%

Demographics & statistics

4,703

Population

People per sq mi

40.0

Median age

$61,500

Median household income

$30,030

Per capita income

$142,900

Median home value

$610

Median monthly rent

82.1%

Home ownership

3.1%

Poverty rate

3.7%

Unemployment

1,585

Housing units

18.5%

Bachelor's or higher

Age distribution

Male Female

135

Under 5

138

165

5–9

170

182

10–14

187

15–19

192

141

20–24

145

242

25–34

249

259

35–44

266

271

45–54

278

149

55–59

154

216

60–64

222

184

65–74

190

148

75–84

152

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,216	25.9%
18 and over	3,487	74.1%
65 and over	755	16.1%
Median age	40.0 years

Race & ethnicity

White 96.4%

Black or African American 1.4%

Two or more races 0.8%

Hispanic or Latino 0.7%

Other race 0.7%

Group	Count	%
White	4,568	96.4%
Black or African American	65	1.4%
Two or more races	38	0.8%
Hispanic or Latino	35	0.7%
Other race	32	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.7%	45.3%	47.9%
$50k – $100k	29.8%	33.3%	30.3%
$100k – $200k	23.1%	19.7%	17.6%
Over $200k	2.4%	1.7%	4.2%

Under $10k 4.2%

$10k–$15k 0.4%

$15k–$25k 8.9%

$25k–$35k 13.2%

$35k–$50k 11.0%

$50k–$75k 20.8%

$75k–$100k 10.1%

$100k–$150k 19.8%

$150k–$200k 7.3%

$200k+ 4.4%

Range	% of households
Under $10k	4.2%
$10k–$15k	0.4%
$15k–$25k	8.9%
$25k–$35k	13.2%
$35k–$50k	11.0%
$50k–$75k	20.8%
$75k–$100k	10.1%
$100k–$150k	19.8%
$150k–$200k	7.3%
$200k+	4.4%
Median income	$61,500

Housing

Home values

Under $50k 10.5%

$50k–$100k 18.9%

$100k–$150k 24.9%

$150k–$200k 12.8%

$200k–$300k 23.1%

$300k–$500k 5.8%

$500k–$1M 4.1%

Housing overview

Metric	Value
Median home value	$142,900
Median rent / month	$610
Owner occupied	82.1%
Renter occupied	17.9%
Vacant	10.9%
Single-family detached	75.5%
Large apartment buildings	3.6%
Mobile homes	18.9%
Median rooms	5.9
Avg household size (owned)	2.85

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	13.1%
1990–1999	16.8%
1980–1989	10.9%
1970–1979	20.9%
1960–1969	12.9%
1950–1959	6.5%
1940–1949	2.5%
1939 or earlier	12.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	6.9%
2 bedrooms	25.1%
3 bedrooms	45.1%
4 bedrooms	15.9%
5+ bedrooms	6.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.3%
1 vehicle	18.4%
2 vehicles	39.5%
3 or more	36.8%

Heating fuel

Fuel type	%
Utility gas	20.7%
Electricity	50.8%
Propane / LP gas	25.7%
Wood	2.8%

Households & families

Household type	Count	%
Married-couple family	1,072	63.8%
Cohabiting couple	52	3.1%
Male householder, no spouse	253	15.1%
Female householder, no spouse	303	18.0%
Households with children under 18	615	36.6%
Households with seniors (65+)	531	31.6%
Average household size	2.75

Marital status

Status	Male	Female
Never married	30.0%	18.6%
Married	60.9%	60.3%
Separated	0.0%	0.4%
Widowed	0.9%	12.8%
Divorced	8.2%	7.9%

Education

Less than 9th grade 5.4%

Some HS, no diploma 5.5%

HS graduate 35.7%

Some college, no degree 22.9%

Associate's degree 12.0%

Bachelor's degree 11.9%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	89.1%
Bachelor's or higher	18.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	84	6.6%
Kindergarten	56	4.4%
Elementary school	547	43.1%
High school	242	19.1%
College / grad school	340	26.8%

Employment

Industry of employment

Education & healthcare 23.6%

Transportation & utilities 15.8%

Manufacturing 10.2%

Arts, food & hospitality 9.1%

Agriculture & mining 8.2%

Retail trade 7.9%

Public administration 5.5%

Professional & management 5.2%

Construction 5.0%

Other services 4.8%

Wholesale trade 2.4%

Finance & real estate 2.2%

Occupation

Category	%
Management, business & arts	37.0%
Service	13.4%
Sales & office	14.2%
Natural resources & construction	13.4%
Production & transportation	22.1%

Employment type

Type	%
Private sector	70.0%
Government	21.2%
Self-employed	8.5%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	82.8%
Carpool	5.8%
Public transit	0.1%
Walk	3.1%
Work from home	5.4%
Other means	2.8%
Avg commute (minutes)	26.4

Poverty

All people 3.1%

Under 18 years 2.5%

18 and over 3.3%

Married-couple families 0.1%

Female-led households 27.1%

Income support

Source	% of households
Social Security	36.8%
Retirement income	24.5%
Supplemental Security	6.1%
Cash public assistance	0.2%
Food stamps / SNAP	6.0%

Health indicators

Condition	%
Obesity	38.4%
High blood pressure	43.9%
High cholesterol	38.8%
Diabetes	12.8%
Heart disease	8.6%
Stroke	3.9%
Asthma	11.3%
Arthritis	34.0%
Kidney disease	3.4%
Pulmonary disease	11.6%
Cancer	7.4%

Behavior / access	%
Smoking	24.4%
Binge drinking	15.2%
No physical activity	32.1%
Less than 7 hrs sleep	38.5%
Depression	26.4%
Fair or poor health	21.8%
Poor mental health	18.2%
Poor physical health	15.0%
No health insurance	10.7%
Visited doctor (checkup)	77.1%
Visited dentist	52.8%
Cholesterol screening	90.2%
Teeth loss	20.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	286	8.2%

Disability	%
Any disability	17.6%
Under 18	10.7%
18–64 years	17.0%
65 and over	32.3%

Health insurance coverage

Type	%
Private insurance	73.5%
Public insurance	33.0%
No insurance	4.1%
Uninsured under 19	0.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,430	94.2%
Spanish	66	1.5%
Other Indo-European	66	1.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,663	99.1%
Born in same state	4,639	98.6%
Born in different state	3,937	83.7%
Foreign born	24	0.5%
Naturalized citizen	40	0.9%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	1,012	21.5%
French	750	15.9%
Italian	354	7.5%

Ancestry	Count	%
German	31	0.7%
Polish	16	0.3%
English	15	0.3%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	90.0%

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

Frequently asked questions about ZIP code 42327

What city is ZIP code 42327 in?

ZIP code 42327 is primarily assigned to Calhoun, Kentucky.

What county is ZIP code 42327 in?

ZIP code 42327 falls within Mclean County, Kentucky.

Is ZIP code 42327 mostly owner-occupied?

82% of occupied units in ZIP code 42327 are owner-occupied, well above the national average.

Does ZIP code 42327 have a large retiree population?

37% of households in ZIP code 42327 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 42327?

The median home value in ZIP code 42327 is $142,900.

What is the population of ZIP code 42327?

ZIP code 42327 has an estimated population of 4,703 residents, with a density of 38 people per square mile.

What timezone is ZIP code 42327 in?

ZIP code 42327 observes the CST timezone.