40330 ZIP Code — Harrodsburg, KY

Mercer County, Kentucky

ZIP code 40330 is located in Harrodsburg, Kentucky, within Mercer County. It covers approximately 220.76 square miles and serves a population of 20,437 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 859.

About ZIP code 40330

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 $179,400. Owner-occupancy sits near the national average at 74%.

Median household income is $59,211. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

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

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

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

20,437

population

220.76

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40330 ZIP code map

Cities in ZIP code 40330

Below are the cities the US Postal Service accepts for ZIP code 40330. Using any city not on this list may result in mail delivery delays.

City	Status
Harrodsburg	Acceptable
Harrodsburg	Preferred

Nearby ZIP codes

40372 Salvisa (7.7 mi) 40390 Wilmore (10.3 mi) 40390 Wilmore (10.3 mi) 40040 Mackville (11.5 mi) 40468 Perryville (12 mi) 40422 Danville (12.2 mi) 40078 Willisburg (14.5 mi) 40342 Lawrenceburg (15.1 mi) 40440 Junction City (15.7 mi) 40383 Versailles (16.5 mi) 40464 Parksville (16.8 mi) 40356 Nicholasville (18.1 mi)

Demographics updated 06/2026

Population
Total population	20,437
Population density	93 / sq mi
State FIPS	21
County FIPS	167

Geography
Land area	220.76 sq mi
Water area	3.31 sq mi
Latitude	37.8018
Longitude	-84.8787
Timezone	Eastern (ET)
Area code	859

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.9%	46.7%	47.9%
$50k – $100k	32.5%	33.1%	30.3%
$100k – $200k	16.6%	17.4%	17.6%
Over $200k	3.0%	2.8%	4.2%

Demographics & statistics

20,437

Population

People per sq mi

43.0

Median age

$59,211

Median household income

$30,333

Per capita income

$179,400

Median home value

$717

Median monthly rent

73.7%

Home ownership

12.0%

Poverty rate

4.0%

Unemployment

7,322

Housing units

21.5%

Bachelor's or higher

Age distribution

Male Female

579

Under 5

575

694

5–9

688

538

10–14

534

551

15–19

547

681

20–24

675

1,198

25–34

1,188

1,173

35–44

1,164

1,288

45–54

1,278

807

55–59

801

743

60–64

737

1,213

65–74

1,203

655

75–84

649

140

85+

138

← Male

Female →

Age summary

Group	Count	%
Under 18	4,302	21.1%
18 and over	16,135	78.9%
65 and over	3,998	19.6%
Median age	43.0 years

Race & ethnicity

White 89.4%

Two or more races 4.2%

Black or African American 3.8%

Hispanic or Latino 1.5%

Other race 0.7%

American Indian / Alaska Native 0.3%

Asian 0.1%

Group	Count	%
White	18,560	89.4%
Two or more races	871	4.2%
Black or African American	786	3.8%
Hispanic or Latino	320	1.5%
Other race	141	0.7%
American Indian / Alaska Native	53	0.3%
Asian	23	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.9%	46.7%	47.9%
$50k – $100k	32.5%	33.1%	30.3%
$100k – $200k	16.6%	17.4%	17.6%
Over $200k	3.0%	2.8%	4.2%

Under $10k 3.8%

$10k–$15k 7.0%

$15k–$25k 7.9%

$25k–$35k 9.1%

$35k–$50k 13.1%

$50k–$75k 22.8%

$75k–$100k 14.6%

$100k–$150k 13.9%

$150k–$200k 5.2%

$200k+ 2.7%

Range	% of households
Under $10k	3.8%
$10k–$15k	7.0%
$15k–$25k	7.9%
$25k–$35k	9.1%
$35k–$50k	13.1%
$50k–$75k	22.8%
$75k–$100k	14.6%
$100k–$150k	13.9%
$150k–$200k	5.2%
$200k+	2.7%
Median income	$59,211

Housing

Home values

Under $50k 11.2%

$50k–$100k 11.0%

$100k–$150k 12.8%

$150k–$200k 23.5%

$200k–$300k 23.3%

$300k–$500k 13.5%

$500k–$1M 3.7%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$179,400
Median rent / month	$717
Owner occupied	73.7%
Renter occupied	26.3%
Vacant	12.1%
Single-family detached	78.8%
Large apartment buildings	0.6%
Mobile homes	8.0%
Median rooms	5.8
Avg household size (owned)	2.50

Year built

Era	%
2020 or later	1.2%
2010–2019	3.5%
2000–2009	15.9%
1990–1999	13.5%
1980–1989	9.7%
1970–1979	17.2%
1960–1969	10.4%
1950–1959	9.0%
1940–1949	4.7%
1939 or earlier	14.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	5.8%
2 bedrooms	24.3%
3 bedrooms	51.1%
4 bedrooms	13.7%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	32.9%
2 vehicles	35.8%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	23.9%
Electricity	64.2%
Propane / LP gas	7.3%
Fuel oil	0.2%
Wood	3.3%
Solar	0.4%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	4,162	49.7%
Cohabiting couple	330	3.9%
Male householder, no spouse	1,891	22.6%
Female householder, no spouse	1,986	23.7%
Households with children under 18	2,113	25.2%
Households with seniors (65+)	2,914	34.8%
Average household size	2.42

Marital status

Status	Male	Female
Never married	28.9%	22.2%
Married	54.4%	50.2%
Separated	1.2%	1.3%
Widowed	4.0%	14.6%
Divorced	11.5%	11.8%

Education

Less than 9th grade 5.1%

Some HS, no diploma 5.3%

HS graduate 34.9%

Some college, no degree 22.6%

Associate's degree 10.5%

Bachelor's degree 13.4%

Graduate / professional 8.2%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	21.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	392	9.6%
Kindergarten	159	3.9%
Elementary school	1,865	45.6%
High school	947	23.1%
College / grad school	729	17.8%

Employment

Industry of employment

Manufacturing 23.1%

Education & healthcare 21.7%

Retail trade 9.9%

Transportation & utilities 8.9%

Professional & management 7.4%

Arts, food & hospitality 6.4%

Public administration 5.2%

Finance & real estate 4.5%

Construction 4.1%

Agriculture & mining 3.6%

Other services 3.2%

Information 1.2%

Wholesale trade 0.9%

Occupation

Category	%
Management, business & arts	32.6%
Service	14.7%
Sales & office	17.6%
Natural resources & construction	9.6%
Production & transportation	25.5%

Employment type

Type	%
Private sector	80.9%
Government	14.6%
Self-employed	4.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	82.7%
Carpool	10.5%
Public transit	0.0%
Walk	0.1%
Work from home	6.2%
Other means	0.5%
Avg commute (minutes)	26.2

Poverty

All people 12.0%

Under 18 years 16.4%

18 and over 10.8%

Married-couple families 5.2%

Female-led households 31.4%

Income support

Source	% of households
Social Security	36.5%
Retirement income	29.8%
Supplemental Security	5.8%
Cash public assistance	0.7%
Food stamps / SNAP	11.5%

Health indicators

Condition	%
Obesity	40.3%
High blood pressure	42.1%
High cholesterol	38.0%
Diabetes	12.6%
Heart disease	8.0%
Stroke	3.7%
Asthma	11.2%
Arthritis	32.4%
Kidney disease	3.3%
Pulmonary disease	10.8%
Cancer	7.2%

Behavior / access	%
Smoking	24.0%
Binge drinking	15.1%
No physical activity	32.7%
Less than 7 hrs sleep	38.4%
Depression	25.1%
Fair or poor health	21.0%
Poor mental health	17.7%
Poor physical health	14.4%
No health insurance	10.9%
Visited doctor (checkup)	76.5%
Visited dentist	55.5%
Cholesterol screening	90.3%
Teeth loss	19.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,305	8.1%

Disability	%
Any disability	15.9%
Under 18	6.8%
18–64 years	14.2%
65 and over	31.6%

Health insurance coverage

Type	%
Private insurance	64.8%
Public insurance	47.2%
No insurance	4.4%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,283	94.4%
Spanish	369	1.9%
Other Indo-European	311	1.6%
Asian & Pacific Islander	0	0.0%
Other languages	3	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,963	97.7%
Born in same state	19,952	97.6%
Born in different state	15,416	75.4%
Foreign born	11	0.1%
Naturalized citizen	474	2.3%
Not a US citizen	115	24.3%

Ancestry

Ancestry	Count	%
Arab	4,049	19.8%
French	2,687	13.1%
Italian	1,526	7.5%
English	99	0.5%

Ancestry	Count	%
Polish	43	0.2%
German	13	0.1%
Dutch	12	0.1%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	88.5%

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

Frequently asked questions about ZIP code 40330

What city is ZIP code 40330 in?

ZIP code 40330 is primarily assigned to Harrodsburg, Kentucky.

What county is ZIP code 40330 in?

ZIP code 40330 falls within Mercer County, Kentucky.

Does ZIP code 40330 have a large retiree population?

37% of households in ZIP code 40330 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 40330?

The median home value in ZIP code 40330 is $179,400.

What is the population of ZIP code 40330?

ZIP code 40330 has an estimated population of 20,437 residents, with a density of 93 people per square mile.

What is the median household income in ZIP code 40330?

The median household income in ZIP code 40330 is $59,211, below the national median of ~$75,000.

What timezone is ZIP code 40330 in?

ZIP code 40330 observes the EST timezone.