40456 ZIP Code — Mount Vernon, KY

Rockcastle County, Kentucky

ZIP code 40456 is located in Mount Vernon, Kentucky, within Rockcastle County. It covers approximately 162.77 square miles and serves a population of 8,574 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 40456

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $115,700. Owner-occupancy sits near the national average at 75%.

Median household income is $46,510. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 18% of households reflects economic stress in the area. 45% 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 24 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (28%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 24%.

Overall, ZIP code 40456 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

8,574

population

162.77

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40456 ZIP code map

Cities in ZIP code 40456

Below are the cities the US Postal Service accepts for ZIP code 40456. Using any city not on this list may result in mail delivery delays.

City	Status
Mount Vernon	Acceptable
Mount Vernon	Preferred

Nearby ZIP codes

40445 Livingston (5.9 mi) 40409 Brodhead (6.6 mi) 40729 East Bernstadt (10.7 mi) 40419 Crab Orchard (11.6 mi) 40403 Berea (14.8 mi) 40404 Berea (15 mi) 40750 London (15.7 mi) 40447 Mc Kee (16.5 mi) 42503 Somerset (17.7 mi) 42567 Eubank (17.8 mi) 40481 Sandgap (18 mi) 40461 Paint Lick (18.5 mi)

Demographics updated 06/2026

Population
Total population	8,574
Population density	53 / sq mi
State FIPS	21
County FIPS	203

Geography
Land area	162.77 sq mi
Water area	0.83 sq mi
Latitude	37.3520
Longitude	-84.3097
Timezone	Eastern (ET)
Area code	606

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.2%	58.0%	47.9%
$50k – $100k	26.4%	28.6%	30.3%
$100k – $200k	12.5%	11.7%	17.6%
Over $200k	1.9%	1.6%	4.2%

Demographics & statistics

8,574

Population

People per sq mi

46.0

Median age

$46,510

Median household income

$28,869

Per capita income

$115,700

Median home value

$697

Median monthly rent

74.5%

Home ownership

19.9%

Poverty rate

3.8%

Unemployment

3,161

Housing units

14.6%

Bachelor's or higher

Age distribution

Male Female

242

Under 5

239

285

5–9

282

210

10–14

208

249

15–19

245

274

20–24

270

414

25–34

408

417

35–44

411

616

45–54

607

367

55–59

361

296

60–64

291

598

65–74

589

257

75–84

254

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,752	20.4%
18 and over	6,822	79.6%
65 and over	1,882	22.0%
Median age	46.0 years

Race & ethnicity

White 96.4%

Two or more races 2.3%

Hispanic or Latino 0.5%

Other race 0.3%

Black or African American 0.2%

Asian 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	8,305	96.4%
Two or more races	201	2.3%
Hispanic or Latino	40	0.5%
Other race	30	0.3%
Black or African American	16	0.2%
Asian	13	0.2%
American Indian / Alaska Native	9	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.2%	58.0%	47.9%
$50k – $100k	26.4%	28.6%	30.3%
$100k – $200k	12.5%	11.7%	17.6%
Over $200k	1.9%	1.6%	4.2%

Under $10k 10.0%

$10k–$15k 6.5%

$15k–$25k 13.7%

$25k–$35k 8.5%

$35k–$50k 14.3%

$50k–$75k 20.0%

$75k–$100k 12.1%

$100k–$150k 9.5%

$150k–$200k 2.7%

$200k+ 2.7%

Range	% of households
Under $10k	10.0%
$10k–$15k	6.5%
$15k–$25k	13.7%
$25k–$35k	8.5%
$35k–$50k	14.3%
$50k–$75k	20.0%
$75k–$100k	12.1%
$100k–$150k	9.5%
$150k–$200k	2.7%
$200k+	2.7%
Median income	$46,510

Housing

Home values

Under $50k 22.9%

$50k–$100k 23.0%

$100k–$150k 18.4%

$150k–$200k 16.5%

$200k–$300k 11.7%

$300k–$500k 4.2%

$500k–$1M 3.4%

Housing overview

Metric	Value
Median home value	$115,700
Median rent / month	$697
Owner occupied	74.5%
Renter occupied	25.5%
Vacant	12.1%
Single-family detached	66.8%
Large apartment buildings	0.5%
Mobile homes	24.3%
Median rooms	5.4
Avg household size (owned)	2.26

Year built

Era	%
2020 or later	0.2%
2010–2019	6.2%
2000–2009	16.8%
1990–1999	24.3%
1980–1989	18.0%
1970–1979	9.9%
1960–1969	8.9%
1950–1959	5.6%
1940–1949	3.0%
1939 or earlier	7.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	6.4%
2 bedrooms	26.2%
3 bedrooms	52.3%
4 bedrooms	11.5%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	10.0%
1 vehicle	25.3%
2 vehicles	35.6%
3 or more	29.2%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	78.3%
Propane / LP gas	10.5%
Fuel oil	2.2%
Wood	6.8%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	1,829	51.0%
Cohabiting couple	206	5.7%
Male householder, no spouse	594	16.6%
Female householder, no spouse	954	26.6%
Households with children under 18	1,096	30.6%
Households with seniors (65+)	1,304	36.4%
Average household size	2.32

Marital status

Status	Male	Female
Never married	23.4%	16.6%
Married	55.8%	53.0%
Separated	1.5%	3.0%
Widowed	2.9%	12.6%
Divorced	16.4%	14.9%

Education

Less than 9th grade 8.3%

Some HS, no diploma 9.6%

HS graduate 41.4%

Some college, no degree 20.3%

Associate's degree 5.9%

Bachelor's degree 5.7%

Graduate / professional 8.9%

Metric	%
HS diploma or higher	82.2%
Bachelor's or higher	14.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	4.1%
Kindergarten	139	9.0%
Elementary school	730	47.3%
High school	414	26.8%
College / grad school	197	12.8%

Employment

Industry of employment

Education & healthcare 29.0%

Manufacturing 19.8%

Retail trade 11.2%

Finance & real estate 7.7%

Public administration 5.9%

Professional & management 5.8%

Transportation & utilities 5.3%

Construction 5.0%

Arts, food & hospitality 5.0%

Agriculture & mining 2.5%

Other services 2.3%

Wholesale trade 0.5%

Information 0.2%

Occupation

Category	%
Management, business & arts	34.4%
Service	14.2%
Sales & office	17.9%
Natural resources & construction	8.7%
Production & transportation	24.8%

Employment type

Type	%
Private sector	69.3%
Government	23.3%
Self-employed	7.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	85.2%
Carpool	7.6%
Public transit	0.0%
Walk	0.3%
Work from home	6.4%
Other means	0.5%
Avg commute (minutes)	24.0

Poverty

All people 19.9%

Under 18 years 33.1%

18 and over 16.6%

Married-couple families 7.3%

Female-led households 68.6%

Income support

Source	% of households
Social Security	45.4%
Retirement income	26.0%
Supplemental Security	11.7%
Cash public assistance	5.0%
Food stamps / SNAP	18.4%

Health indicators

Condition	%
Obesity	40.7%
High blood pressure	43.7%
High cholesterol	38.0%
Diabetes	13.2%
Heart disease	8.5%
Stroke	4.1%
Asthma	11.9%
Arthritis	34.2%
Kidney disease	3.5%
Pulmonary disease	12.8%
Cancer	6.8%

Behavior / access	%
Smoking	28.1%
Binge drinking	14.7%
No physical activity	35.7%
Less than 7 hrs sleep	39.8%
Depression	27.1%
Fair or poor health	24.3%
Poor mental health	19.6%
Poor physical health	16.5%
No health insurance	12.1%
Visited doctor (checkup)	76.6%
Visited dentist	48.4%
Cholesterol screening	88.4%
Teeth loss	23.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	403	5.9%

Disability	%
Any disability	23.5%
Under 18	9.0%
18–64 years	23.2%
65 and over	38.5%

Health insurance coverage

Type	%
Private insurance	60.1%
Public insurance	55.7%
No insurance	4.2%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,093	94.4%
Spanish	4	0.0%
Other Indo-European	4	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,560	99.8%
Born in same state	8,541	99.6%
Born in different state	7,079	82.6%
Foreign born	19	0.2%
Naturalized citizen	14	0.2%
Not a US citizen	14	100.0%

Ancestry

Ancestry	Count	%
Arab	2,187	25.5%
French	1,035	12.1%
Italian	407	4.7%

Ancestry	Count	%
Polish	24	0.3%
English	14	0.2%
German	5	0.1%

Technology access

Metric	% of households
Computer access	41.8%
Internet access	86.1%

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

Frequently asked questions about ZIP code 40456

What city is ZIP code 40456 in?

ZIP code 40456 is primarily assigned to Mount Vernon, Kentucky.

What county is ZIP code 40456 in?

ZIP code 40456 falls within Rockcastle County, Kentucky.

What is the poverty rate in ZIP code 40456?

20% of residents in ZIP code 40456 live below the poverty line, above the national average.

Does ZIP code 40456 have a large retiree population?

45% of households in ZIP code 40456 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 40456?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the typical home value in ZIP code 40456?

The median home value in ZIP code 40456 is $115,700.

What timezone is ZIP code 40456 in?

ZIP code 40456 observes the EST timezone.