Smiths Grove ZIP Code List — Warren County, KY

There is one unique ZIP code in Smiths Grove, Kentucky and it is 42171. Area code: 270/364.

ZIP codes

103.28

sq mi land

0.52

sq mi water

270/364

area code

Smiths Grove, KY ZIP code map

About Smiths Grove, KY

Smiths Grove is a quaint city located in Warren County, Kentucky. It offers a serene small-town atmosphere while remaining connected to the amenities of larger nearby cities. Known for its close-knit community and historical charm, Smiths Grove provides a unique blend of rural beauty and local culture.

Location & geography

Smiths Grove is situated in south-central Kentucky, approximately 10 miles northeast of Bowling Green, a major city in the region. The city is characterized by its sprawling land area of 103.28 square miles, with a smaller water area of 0.52 square miles, giving it a diverse landscape. The surrounding terrain features gentle rolling hills and lush greenery, creating picturesque views throughout the area.

Community & economy

The character of Smiths Grove is shaped by its friendly residents and strong community ties, which often organize local events and gatherings. The city has a local economy primarily based on agriculture and small businesses, catering to residents and visitors alike. Daily life in Smiths Grove is relaxed and community-oriented, with several family-owned establishments contributing to its unique charm.

Transportation

Smiths Grove is accessible via major roadways, including Interstate 65, which provides a direct route to other cities in Kentucky. The nearest named airport is the Bowling Green-Warren County Regional Airport, located about 10 miles away, offering convenient travel options. Public transit options are limited, but local highways connect residents to surrounding areas.

History

Smiths Grove was established in the early 19th century, serving as a key hub for local trade and transportation. The city has historically been centered around agriculture and small industries, contributing to the economy of Warren County. Notable events include its participation in regional fairs and festivals that celebrate local culture and heritage.

Did you know?

One surprising fact about Smiths Grove is that it features an interesting historical site, the Smiths Grove Historic District, which showcases several well-preserved structures dating back to the 1800s. Additionally, the city is known for its annual events that draw visitors from surrounding areas, emphasizing its vibrant community spirit.

ZIP codes for Smiths Grove, KY (1)

ZIP code	City	County	Map
42171	Smiths Grove	Warren	View map

Demographics & statistics

7,073

Population

39.7

Median age

$63,103

Median household income

$28,438

Per capita income

$198,500

Median home value

$836

Median monthly rent

80.5%

Home ownership

16.4%

Poverty rate

3.9%

Unemployment

2,453

Housing units

15.6%

Bachelor's or higher

Age distribution

Male Female

199

Under 5

178

229

5–9

203

326

10–14

290

296

15–19

263

162

20–24

145

388

25–34

346

517

35–44

461

632

45–54

562

319

55–59

284

178

60–64

158

355

65–74

317

131

75–84

117

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,811	25.6%
18 and over	5,262	74.4%
65 and over	937	13.2%
Median age	39.7 years

Race & ethnicity

White 93.5%

Two or more races 3.3%

Black or African American 2.1%

Asian 0.6%

Hispanic or Latino 0.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	6,636	93.5%
Two or more races	233	3.3%
Black or African American	147	2.1%
Asian	43	0.6%
Hispanic or Latino	24	0.3%
American Indian / Alaska Native	14	0.2%

Household income

Under $10k 2.5%

$10k–$15k 5.5%

$15k–$25k 9.9%

$25k–$35k 6.9%

$35k–$50k 15.1%

$50k–$75k 16.9%

$75k–$100k 18.6%

$100k–$150k 17.0%

$150k–$200k 5.3%

$200k+ 2.3%

Range	% of households
Under $10k	2.5%
$10k–$15k	5.5%
$15k–$25k	9.9%
$25k–$35k	6.9%
$35k–$50k	15.1%
$50k–$75k	16.9%
$75k–$100k	18.6%
$100k–$150k	17.0%
$150k–$200k	5.3%
$200k+	2.3%
Median income	$63,103

Housing

Home values

Under $50k 9.7%

$50k–$100k 12.2%

$100k–$150k 18.2%

$150k–$200k 10.1%

$200k–$300k 31.3%

$300k–$500k 15.2%

$500k–$1M 3.3%

Housing overview

Metric	Value
Median home value	$198,500
Median rent / month	$836
Owner occupied	80.5%
Renter occupied	19.5%
Vacant	11.8%
Single-family detached	75.8%
Large apartment buildings	0.0%
Mobile homes	21.3%
Median rooms	6.0
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	2.2%
2010–2019	11.7%
2000–2009	24.2%
1990–1999	20.8%
1980–1989	9.9%
1970–1979	7.3%
1960–1969	5.7%
1950–1959	5.6%
1940–1949	1.0%
1939 or earlier	11.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	1.5%
2 bedrooms	18.9%
3 bedrooms	58.7%
4 bedrooms	15.2%
5+ bedrooms	5.2%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	25.1%
2 vehicles	42.2%
3 or more	29.4%

Heating fuel

Fuel type	%
Utility gas	11.8%
Electricity	71.3%
Propane / LP gas	13.3%
Wood	3.2%

Households & families

Household type	Count	%
Married-couple family	1,476	56.5%
Cohabiting couple	244	9.3%
Male householder, no spouse	374	14.3%
Female householder, no spouse	518	19.8%
Households with children under 18	921	35.3%
Households with seniors (65+)	722	27.6%
Average household size	2.71

Marital status

Status	Male	Female
Never married	26.9%	16.6%
Married	54.4%	57.9%
Separated	6.4%	2.3%
Widowed	2.6%	9.9%
Divorced	9.6%	13.3%

Education

Less than 9th grade 4.7%

Some HS, no diploma 6.9%

HS graduate 41.4%

Some college, no degree 24.2%

Associate's degree 7.2%

Bachelor's degree 9.8%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	88.4%
Bachelor's or higher	15.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	24	1.6%
Kindergarten	125	8.1%
Elementary school	781	50.8%
High school	507	33.0%
College / grad school	101	6.6%

Employment

Industry of employment

Education & healthcare 23.1%

Manufacturing 15.8%

Retail trade 12.2%

Professional & management 11.5%

Arts, food & hospitality 8.5%

Construction 8.0%

Transportation & utilities 5.7%

Public administration 5.2%

Other services 3.9%

Agriculture & mining 2.2%

Finance & real estate 1.9%

Wholesale trade 1.7%

Information 0.2%

Occupation

Category	%
Management, business & arts	30.3%
Service	19.4%
Sales & office	16.1%
Natural resources & construction	15.1%
Production & transportation	19.1%

Employment type

Type	%
Private sector	75.1%
Government	13.4%
Self-employed	11.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.2%
Carpool	10.7%
Public transit	0.0%
Walk	0.3%
Other means	0.7%
Avg commute (minutes)	31.9

Poverty

All people 16.4%

Under 18 years 23.2%

18 and over 14.3%

Married-couple families 5.8%

Female-led households 40.8%

Income support

Source	% of households
Social Security	32.1%
Retirement income	31.3%
Supplemental Security	3.8%
Cash public assistance	0.6%
Food stamps / SNAP	8.7%

Health indicators

Condition	%
High blood pressure	39.8%
High cholesterol	36.4%
Heart disease	7.5%
Stroke	3.5%
Asthma	11.4%
Arthritis	30.7%
Kidney disease	3.1%
Pulmonary disease	10.5%
Cancer	6.5%

Behavior / access	%
Binge drinking	15.7%
No physical activity	31.8%
Less than 7 hrs sleep	37.6%
Fair or poor health	20.5%
Poor mental health	18.5%
Poor physical health	14.2%
No health insurance	11.2%
Visited doctor (checkup)	76.1%
Visited dentist	53.3%
Cholesterol screening	89.3%
Teeth loss	19.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	270	5.1%

Disability	%
Any disability	16.6%
Under 18	2.9%
18–64 years	18.8%
65 and over	32.8%

Health insurance coverage

Type	%
Private insurance	62.6%
Public insurance	41.6%
Uninsured under 19	7.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,696	94.7%
Spanish	2	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	2	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,027	99.3%
Born in same state	7,025	99.3%
Born in different state	5,508	77.9%
Foreign born	2	0.0%
Naturalized citizen	46	0.7%
Not a US citizen	44	95.7%

Ancestry

Ancestry	Count	%
Arab	1,478	20.9%
Italian	809	11.4%
French	662	9.4%
German	171	2.4%

Ancestry	Count	%
Polish	69	1%
English	12	0.2%
Dutch	3	0%

Technology access

Metric	% of households
Computer access	36.9%
Internet access	91.2%

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

Frequently asked questions

What is the ZIP code for Smiths Grove, KY?

Smiths Grove, KY has one ZIP code: 42171.

What is the main ZIP code for Smiths Grove, KY?

The primary ZIP code for Smiths Grove, KY is 42171. The city uses area code 270 or 364 for phone service.

What county is Smiths Grove, KY in?

Smiths Grove is located in Warren County, Kentucky.

How many ZIP codes are in Smiths Grove, KY?

Smiths Grove, KY has 1 ZIP code.

What is the ZIP code for downtown Smiths Grove and the surrounding business district?

The downtown Smiths Grove area and its business district are located in ZIP code 42171, which serves as the primary commercial and civic center for the city.

What ZIP code should I use when mailing correspondence to Smiths Grove City Hall and local government offices?

All mail addressed to Smiths Grove City Hall and local government offices should use ZIP code 42171, which covers the entire city of Smiths Grove.