Zip code 42171: Smiths Grove, Kentucky

Q: What city is zip code 42171?

42171 is assigned to Smiths Grove, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 42171 in?

42171 is mostly in Warren County, but it extends into 2 other counties.

Q: What is the population of 42171?

About 6,723 people live in 42171, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 42171?

The median household income in 42171 is $70,191.

Q: What zip codes are near 42171?

The closest zip codes to 42171 are 42163, 42159, 42160, 42103, 42128.

Residential delivery areaWarren CountyCentral Time

Population

6,723

Median household income

$70K

U.S. $81K

Median home value

$188K

U.S. $333K

Median rent

$1,008/mo

U.S. $1,413

Median age

41.3

U.S. 38.9

Land area

103 sq mi

65 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 42171

42171 is a small-town zip code in Smiths Grove, Kentucky (Warren County), covering 103 sq mi of land. About 6,723 people live here, or 65 per square mile. The median resident is 41.3 years old, compared with 38.9 nationally.

The median household earns $70,191 a year, 13% below the national median of $80,734. 10.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $187,500, or 2.7 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 76% of occupied homes are lived in by their owners, and renters pay a median of $1,008 a month.

12% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 29.9 minutes each way, and 5% of workers work from home. The most common jobs among working residents are in construction and repair; management; and production and manufacturing.

How 42171 compares

Sorted from highest to lowest national percentile

Average commute29.9 min
73rd
U.S. 26.4 min · KY 24 min205th of 624 in KY
Homeownership rate76.2%
70th
U.S. 65.2% · KY 68.3%395th of 719 in KY
Healthcare workers10.8%
69th
U.S. 9.7% · KY 10.5%310th of 719 in KY
Median age41.3
67th
U.S. 38.9 · KY 39.1384th of 724 in KY
Housing vacancy7.5%
57th
U.S. 10.1% · KY 10.3%522nd of 719 in KY
Residents under 1822.9%
57th
U.S. 22% · KY 22.6%319th of 724 in KY
Self-employed workers9.7%
55th
U.S. 10% · KY 8.6%266th of 719 in KY
Residents 65 and older16.6%
50th
U.S. 17.2% · KY 17.3%455th of 724 in KY
Poverty rate10.6%
48th
U.S. 12.5% · KY 16.1%549th of 722 in KY
Veterans5.4%
44th
U.S. 6.2% · KY 6.5%404th of 724 in KY
Uninsured rate6%
43rd
U.S. 8.4% · KY 6%275th of 723 in KY
Unemployment rate4.3%
39th
U.S. 5.2% · KY 4.9%328th of 719 in KY
Government workers12.2%
37th
U.S. 14.5% · KY 14.6%449th of 719 in KY
Median household income$70,191
36th
U.S. $80,734 · KY $63,726157th of 641 in KY
Median earnings per worker$42,298
30th
U.S. $49,666 · KY $43,552296th of 700 in KY
Per capita income$32,853
27th
U.S. $44,673 · KY $35,821218th of 722 in KY
Median gross rent$1,008
22nd
U.S. $1,413 · KY $96795th of 467 in KY
Income inequality (Gini)0.401
22nd
U.S. 0.483 · KY 0.477464th of 715 in KY
Median home value$187,500
18th
U.S. $332,700 · KY $205,600174th of 642 in KY
Broadband access86.7%
18th
WeaknessU.S. 91% · KY 88.6%354th of 719 in KY
Tech workers1.3%
18th
U.S. 3.8% · KY 2.2%234th of 719 in KY
Population6,723
11th
U.S. 334,922,499 · KY 4,534,824171st of 724 in KY
Diversity index17
10th
U.S. 61.4 · KY 32.5262nd of 724 in KY
Rent-burdened renters36.4%
10th
StrengthU.S. 51.1% · KY 45.4%400th of 634 in KY
Population density65/sq mi
9th
U.S. 95/sq mi · KY 115/sq mi319th of 724 in KY
Work from home5.3%
9th
U.S. 15.1% · KY 10.2%379th of 719 in KY
Foreign-born residents1.5%
9th
U.S. 14.1% · KY 4.7%233rd of 724 in KY
Bachelor's degree or higher12.3%
5th
WeaknessU.S. 35.7% · KY 27.6%461st of 723 in KY

Measure	42171	Warren	KY	U.S.	National percentile	Rank in KY
Average commute	29.9 min	20.3 min	24 min	26.4 min	73rd	205th of 624
Homeownership rate	76.2%	55.6%	68.3%	65.2%	70th	395th of 719
Healthcare workers	10.8%	8.1%	10.5%	9.7%	69th	310th of 719
Median age	41.3	33.3	39.1	38.9	67th	384th of 724
Housing vacancy	7.5%	7.1%	10.3%	10.1%	57th	522nd of 719
Residents under 18	22.9%	23.7%	22.6%	22%	57th	319th of 724
Self-employed workers	9.7%	9.4%	8.6%	10%	55th	266th of 719
Residents 65 and older	16.6%	13.2%	17.3%	17.2%	50th	455th of 724
Poverty rate	10.6%	17%	16.1%	12.5%	48th	549th of 722
Veterans	5.4%	6.1%	6.5%	6.2%	44th	404th of 724
Uninsured rate	6%	7.9%	6%	8.4%	43rd	275th of 723
Unemployment rate	4.3%	4.4%	4.9%	5.2%	39th	328th of 719
Government workers	12.2%	13.8%	14.6%	14.5%	37th	449th of 719
Median household income	$70,191	$65,794	$63,726	$80,734	36th	157th of 641
Median earnings per worker	$42,298	$39,291	$43,552	$49,666	30th	296th of 700
Per capita income	$32,853	$35,497	$35,821	$44,673	27th	218th of 722
Median gross rent	$1,008	$1,002	$967	$1,413	22nd	95th of 467
Income inequality (Gini)	0.401	0.480	0.477	0.483	22nd	464th of 715
Median home value	$187,500	$258,000	$205,600	$332,700	18th	174th of 642
Broadband accessWeakness	86.7%	91.4%	88.6%	91%	18th	354th of 719
Tech workers	1.3%	1.6%	2.2%	3.8%	18th	234th of 719
Population	6,723	140,918	4,534,824	334,922,499	11th	171st of 724
Diversity index	17	43.8	32.5	61.4	10th	262nd of 724
Rent-burdened rentersStrength	36.4%	47.9%	45.4%	51.1%	10th	400th of 634
Population density	65/sq mi	260/sq mi	115/sq mi	95/sq mi	9th	319th of 724
Work from home	5.3%	7.6%	10.2%	15.1%	9th	379th of 719
Foreign-born residents	1.5%	10.4%	4.7%	14.1%	9th	233rd of 724
Bachelor's degree or higherWeakness	12.3%	32.3%	27.6%	35.7%	5th	461st of 723

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

18%

5–17

18–24

11%

25–34

15%

35–44

13%

45–54

16%

55–64

10%

65–74

75+

Median age

41.3

Under 18

22.9%

65 and over

16.6%

Race and ethnicity

White91%
Black3%
Hispanic3%
Asian0%
Native American0.2%
Pacific Islander0%
Other0.1%
Multiracial3%

Diversity index

U.S. 61.4

Foreign-born

1.5%

U.S. 14.1%

Born in state

76.6%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 2,631
Average household size: 2.6
Family households: 70.2%
Married couples: 59.9%
Living alone: 18.4%
Veterans (of adults): 5.4%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

26%

$50–75k

18%

$75–100k

18%

$100–150k

14%

$150–200k

$200k+

Median household income

42171

$70,191

Warren Co.

$65,794

Kentucky

$63,726

United States

$80,734

Per capita income

$32,853

U.S. $44,673

Poverty rate

10.6%

U.S. 12.5%

Households earning $150K+

11.3%

U.S. 23%

Income inequality (Gini)

0.401

U.S. 0.483

Housing

Median home value

42171

$187,500

Warren Co.

$258,000

Kentucky

$205,600

United States

$332,700

Median gross rent

42171

$1,008

Warren Co.

$1,002

Kentucky

$967

United States

$1,413

Types of housing

Single-family

76%

2–4 units

5–19 units

20+ units

Mobile home

23%

Boat, RV, van

Housing units: 2,843
Owner-occupied: 76.2%
Vacant: 7.5%
Median year built: 1994
Median rooms: 5.6
Renters paying 30%+ of income: 36.4%
Renters paying 50%+ of income: 12.1%
Home value to income: 2.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

14%

Transit

Walked

Bicycle

Worked from home

Other

0.9%

Commute time (one way)

<10 min

10–19

20%

20–29

31%

30–44

32%

45–59

60+

Average commute

29.9 min

U.S. 26.4 min

Unemployment

4.3%

U.S. 5.2%

In labor force

59.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Construction and repair

15%

Management

13%

Production

12%

Healthcare

11%

Cleaning and personal care

10%

Office and admin

Transportation and moving

Food service

Sales

Education

Business and finance

Police and fire

Computer and math

Engineering and science

Arts, media and sports

Legal and social services

0.9%

Farming, fishing and forestry

0.9%

Industries

Manufacturing

18%

Health care and social assistance

15%

Retail

13%

Restaurants and hotels

10%

Education

10%

Other services

Construction

Transportation, warehousing and utilities

Public administration

Admin, support and management

Finance, insurance and real estate

Agriculture and mining

Professional and technical services

Information

0.7%

Wholesale

0.5%

Arts and recreation

0.4%

Median earnings per worker

$42,298

U.S. $49,666

Self-employed

9.7%

U.S. 10%

Government workers

12.2%

U.S. 14.5%

Nonprofit workers

6.3%

U.S. 8.8%

Median earnings by type of work

Type of work	42171	U.S.
Management, business, science and arts	$65,882	$74,888
Service	$29,639	$26,804
Sales and office	$29,479	$40,476
Construction and maintenance	$41,691	$49,199
Production and transportation	$34,928	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

12%

High school

44%

Some college

22%

Associate's

10%

Bachelor's

Graduate

High school graduate or higher: 87.9%
Bachelor's degree or higher: 12.3%
Graduate or professional degree: 5.7%
Households with broadband: 86.7%
Cable, fiber or DSL: 65.3%
No internet access: 8.5%
Without health insurance: 6%
Limited-English households: 0%

Geography

City (USPS): Smiths Grove
State: Kentucky
County: Warren County
Center point: 37.0364° N, 86.1744° W
Land area: 103 sq mi
Water area: 0.6 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

42171 spans 3 counties

Warren County48% of land
Edmonson County28% of land
Barren County25% of land

Zip codes near 42171

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
42163	Rocky Hill, KY	3.7 mi	48	—	—
42159	Oakland, KY	5 mi	1,699	$66,756	$264,400
42160	Park City, KY	6.9 mi	2,822	$49,364	$157,000
42103	Bowling Green, KY	9.6 mi	21,911	$87,689	$331,400
42128	Drake, KY · PO box	13 mi	—	—	—
42259	Mammoth Cave, KY	13 mi	1,090	$33,566	$148,100
42156	Lucas, KY	14 mi	235	$98,000	$211,900
42102	Bowling Green, KY · PO box	14 mi	—	—	—
42210	Brownsville, KY	14 mi	4,231	$48,333	$141,800
42142	Glasgow, KY · PO box	15 mi	—	—	—
42127	Cave City, KY	15 mi	7,030	$42,893	$164,000
42122	Alvaton, KY	16 mi	5,513	$113,705	$297,100

Zip codes like 42171 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 42171

What city is zip code 42171?

42171 is assigned to Smiths Grove, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 42171 in?

42171 is mostly in Warren County, but it extends into 2 other counties.

What is the population of 42171?

About 6,723 people live in 42171, according to the Census Bureau's American Community Survey.

What time zone is 42171 in?

42171 is in Central Time.

What is the median household income in 42171?

The median household income in 42171 is $70,191.

What zip codes are near 42171?

The closest zip codes to 42171 are 42163, 42159, 42160, 42103, 42128.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 42171, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.