42378 ZIP Code — Whitesville, KY

Daviess County, Kentucky

ZIP code 42378 is located in Whitesville, Kentucky, within Daviess County. It covers approximately 61.31 square miles and serves a population of 3,490 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42378

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $180,300. Owner-occupancy is high at 90%, well above the national average.

Median household income is $70,185. The poverty rate of 4% is below the national average. 34% 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 31 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 42378 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,490

population

61.31

sq mi land

Standard

ZIP type

Central (CT)

timezone

42378 ZIP code map

Cities in ZIP code 42378

Below are the cities the US Postal Service accepts for ZIP code 42378. Using any city not on this list may result in mail delivery delays.

City	Status
Whitesville	Preferred

Nearby ZIP codes

42366 Philpot (5.2 mi) 42368 Reynolds Station (7.3 mi) 42343 Fordsville (8.4 mi) 42347 Hartford (9.9 mi) 42303 Owensboro (11.7 mi) 42376 Utica (13.5 mi) 42352 Livermore (15 mi) 42355 Maceo (15.4 mi) 42348 Hawesville (15.5 mi) 42351 Lewisport (16.1 mi) 40119 Falls Of Rough (18.5 mi) 40111 Cloverport (18.9 mi)

Demographics updated 05/2026

Population
Total population	3,490
Population density	57 / sq mi
State FIPS	21
County FIPS	059

Geography
Land area	61.31 sq mi
Water area	0.40 sq mi
Latitude	37.6601
Longitude	-86.8705
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	39.8%	46.0%	47.9%
$50k – $100k	33.0%	32.0%	30.3%
$100k – $200k	17.1%	18.3%	17.6%
Over $200k	10.1%	3.7%	4.2%

Demographics & statistics

3,490

Population

People per sq mi

37.0

Median age

$70,185

Median household income

$32,279

Per capita income

$180,300

Median home value

$775

Median monthly rent

89.8%

Home ownership

4.4%

Poverty rate

6.5%

Unemployment

1,249

Housing units

24.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

107

5–9

123

144

10–14

165

177

15–19

202

20–24

150

25–34

170

250

35–44

285

218

45–54

248

114

55–59

131

103

60–64

118

114

65–74

131

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	975	27.9%
18 and over	2,515	72.1%
65 and over	469	13.4%
Median age	37.0 years

Race & ethnicity

White 98.2%

Two or more races 0.9%

Hispanic or Latino 0.3%

Black or African American 0.2%

American Indian / Alaska Native 0.1%

Other race 0.1%

Group	Count	%
White	3,439	98.2%
Two or more races	33	0.9%
Hispanic or Latino	11	0.3%
Black or African American	8	0.2%
American Indian / Alaska Native	5	0.1%
Other race	5	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.8%	46.0%	47.9%
$50k – $100k	33.0%	32.0%	30.3%
$100k – $200k	17.1%	18.3%	17.6%
Over $200k	10.1%	3.7%	4.2%

Under $10k 3.1%

$10k–$15k 1.4%

$15k–$25k 11.1%

$25k–$35k 9.7%

$35k–$50k 8.9%

$50k–$75k 18.0%

$75k–$100k 10.9%

$100k–$150k 25.0%

$150k–$200k 3.5%

$200k+ 8.5%

Range	% of households
Under $10k	3.1%
$10k–$15k	1.4%
$15k–$25k	11.1%
$25k–$35k	9.7%
$35k–$50k	8.9%
$50k–$75k	18.0%
$75k–$100k	10.9%
$100k–$150k	25.0%
$150k–$200k	3.5%
$200k+	8.5%
Median income	$70,185

Housing

Home values

Under $50k 6.7%

$50k–$100k 14.0%

$100k–$150k 16.2%

$150k–$200k 22.6%

$200k–$300k 20.9%

$300k–$500k 19.2%

$500k–$1M 0.4%

Housing overview

Metric	Value
Median home value	$180,300
Median rent / month	$775
Owner occupied	89.8%
Renter occupied	10.2%
Vacant	7.9%
Single-family detached	81.9%
Large apartment buildings	0.0%
Mobile homes	13.2%
Median rooms	5.5
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.0%
2010–2019	9.2%
2000–2009	15.4%
1990–1999	21.5%
1980–1989	13.9%
1970–1979	6.9%
1960–1969	10.9%
1950–1959	4.4%
1940–1949	6.7%
1939 or earlier	10.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.8%
2 bedrooms	29.0%
3 bedrooms	47.1%
4 bedrooms	18.9%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	23.1%
2 vehicles	33.2%
3 or more	43.0%

Heating fuel

Fuel type	%
Utility gas	27.3%
Electricity	48.8%
Propane / LP gas	19.8%
Fuel oil	2.0%
Wood	2.1%

Households & families

Household type	Count	%
Married-couple family	731	57.6%
Cohabiting couple	67	5.3%
Male householder, no spouse	158	12.4%
Female householder, no spouse	314	24.7%
Households with children under 18	424	33.4%
Households with seniors (65+)	369	29.1%
Average household size	2.73

Marital status

Status	Male	Female
Never married	30.1%	28.9%
Married	59.3%	48.3%
Separated	0.0%	0.8%
Widowed	3.6%	14.3%
Divorced	7.0%	7.7%

Education

Less than 9th grade 1.9%

Some HS, no diploma 3.9%

HS graduate 43.1%

Some college, no degree 14.1%

Associate's degree 12.4%

Bachelor's degree 14.1%

Graduate / professional 10.5%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	24.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	62	6.2%
Kindergarten	48	4.8%
Elementary school	408	40.8%
High school	335	33.5%
College / grad school	148	14.8%

Employment

Industry of employment

Education & healthcare 22.5%

Manufacturing 21.9%

Construction 13.2%

Agriculture & mining 7.6%

Retail trade 7.2%

Finance & real estate 6.4%

Professional & management 6.3%

Transportation & utilities 5.5%

Other services 3.8%

Public administration 3.7%

Wholesale trade 1.2%

Arts, food & hospitality 0.7%

Information 0.1%

Occupation

Category	%
Management, business & arts	42.2%
Service	9.4%
Sales & office	14.0%
Natural resources & construction	17.5%
Production & transportation	16.9%

Employment type

Type	%
Private sector	72.7%
Government	16.7%
Self-employed	10.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	83.8%
Carpool	12.9%
Public transit	0.0%
Walk	0.5%
Work from home	2.7%
Other means	0.1%
Avg commute (minutes)	31.0

Poverty

All people 4.4%

Under 18 years 4.2%

18 and over 4.5%

Married-couple families 0.7%

Female-led households 25.6%

Income support

Source	% of households
Social Security	33.9%
Retirement income	24.8%
Supplemental Security	5.2%
Cash public assistance	2.2%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
Obesity	37.1%
High blood pressure	37.9%
High cholesterol	36.3%
Diabetes	10.2%
Heart disease	6.6%
Stroke	3.0%
Asthma	10.7%
Arthritis	28.7%
Kidney disease	2.7%
Pulmonary disease	9.0%
Cancer	6.4%

Behavior / access	%
Smoking	22.0%
Binge drinking	17.0%
No physical activity	27.8%
Less than 7 hrs sleep	35.3%
Depression	25.1%
Fair or poor health	17.2%
Poor mental health	17.7%
Poor physical health	12.6%
No health insurance	9.7%
Visited doctor (checkup)	76.6%
Visited dentist	57.9%
Cholesterol screening	89.7%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	185	7.4%

Disability	%
Any disability	18.4%
Under 18	9.1%
18–64 years	15.0%
65 and over	52.7%

Health insurance coverage

Type	%
Private insurance	70.1%
Public insurance	33.5%
No insurance	5.2%
Uninsured under 19	8.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,355	96.1%
Spanish	2	0.1%
Other Indo-European	2	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,488	99.9%
Born in same state	3,459	99.1%
Born in different state	3,167	90.7%
Foreign born	29	0.8%
Naturalized citizen	2	0.1%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	706	20.2%
Italian	697	20%
Arab	570	16.3%

Ancestry	Count	%
Polish	23	0.7%
English	3	0.1%

Technology access

Metric	% of households
Computer access	36.4%
Internet access	92.8%

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

Frequently asked questions about ZIP code 42378

What city is ZIP code 42378 in?

ZIP code 42378 is primarily assigned to Whitesville, Kentucky.

What county is ZIP code 42378 in?

ZIP code 42378 falls within Daviess County, Kentucky.

Is ZIP code 42378 mostly owner-occupied?

90% of occupied units in ZIP code 42378 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 42378?

The median home value in ZIP code 42378 is $180,300.

What is the population of ZIP code 42378?

ZIP code 42378 has an estimated population of 3,490 residents, with a density of 57 people per square mile.

What is the median household income in ZIP code 42378?

The median household income in ZIP code 42378 is $70,185, below the national median of ~$75,000.

What timezone is ZIP code 42378 in?

ZIP code 42378 observes the CST timezone.