ZIP Code 42171 in Smiths Grove, KY

Data Last Updated: October 1, 2025
City:Smiths Grove, Kentucky
Counties:Warren County[Primary]
Barren County
Edmonson County
Timezone:Central (GMT -06:00)
Local Time:10:43:10 PM
Population:7,552 [See All]
Area Code:270
Classification:Standard [Normal Street Delivery]
Coordinates:37.0373, -86.1686
Land Area:103.24 sq mi
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https://www.zip-codes.com/zip-code/42171/zip-code-42171.asp

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Population & Demographics


ZIP Code 42171 has 7,552 residents and 2,908 households (average 2.60 persons per household). The median age is 40.4 years, slightly older than the state (39.4) and slightly older than the nation (38.8). The gender split is 50.2% male and 49.8% female, which is slightly higher than the national male share (49.1%). Largest groups are White (93.1%, much higher than the state average of 82.4% and well above the national average of 61.6%) and Black or African American (2.2%, much lower than the national average of 12.4%); Hispanic or Latino residents make up 2.1%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:7,552Source: Census DHC
2023 ACS Population Estimate:7,189Source: Census ACS
2025 ZC Population Estimate:8,616Source: ZIP-Codes.com
Population Density:73.1 people per sq mile
Average Income:$65,917Source: Census ACS
Households:2,908Source: Census DHC
Average House Value:$173,300Source: Census ACS
Persons Per Household:2.60Source: Census DHC
Average Family Size:2.74Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--7,5616,8116,6836,9337,5157,2047,2937,2307,5867,2666,6247,0737,189
Decennial Census6,841------------------7,552------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 40.4

Male Median Age: 40.1

Female Median Age: 40.7

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male2712552632841931852132262882482542982521821731124348
Female245263282237160233200218249240230281256269165888266
Total516518545521353418413444537488484579508451338200125114
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:7,03294.05%
Black:1682.25%
Hispanic:*1612.15%
Asian:290.39%
American Indian:90.12%
Hawaiian:00%
Other:781.04%
Total:7,477100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:3,78850.16%40.1 years
Females:3,76449.84%40.7 years
Total:7,552100%40.4 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:7,17299.76%
Native, born in PR, Island Areas, or abroad:20.03%
Foreign born, naturalized U.S. citizen:130.18%
Foreign born, not a U.S. citizen:20.21%
Total Population:7,189100%
Total Native Population:7,17499.79%
Total Foreign-born Population:150.21%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $65,917, which is far less than the national median ($78,538), is up $25,380 (62.6%) since 2011 and above its 2019 pre-pandemic level by $13,052. Family households earn a median of $80,188 versus $39,850 for nonfamily households (a difference of $40,338). By gender, male median income is $55,161 and female is $36,276, which is considerably lower than the national female median ($53,445), with a current gap of $18,885 that has widened from 2011 to 2023. The labor-force participation rate is 62.4%, which is modestly greater than the state rate (59.6%). The unemployment rate is 5.7%, which is well above the state rate (4.8%). The largest occupation group is Management (27.5%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$40,537$41,235$44,304$47,637$49,651$50,639$51,815$55,737$52,865$59,228$60,781$63,103$65,917
Median Family Income$45,754$48,238$60,722$62,513$63,542$63,063$64,471$67,784$66,292$75,212$76,535$80,862$80,188
Median NonFamily Income$20,694$18,768$19,173$20,528$34,338$35,074$35,218$39,394$39,286$34,646$38,110$38,047$39,850
Median Male Income$40,264$40,538$41,589$43,438$41,034$41,719$42,034$45,313$42,261$45,417$48,125$53,650$55,161
Median Female Income$31,214$30,625$31,442$33,185$33,229$31,212$34,145$36,927$34,299$43,241$45,089$38,292$36,276
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:3,25958.83%
Unemployed:1973.56%
Not In Labor Force:2,08437.62%
Total:5,540100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:89727.52%
Service:68521.02%
Sales and Office:62619.21%
Natural resources, construction, and maintenance:48714.94%
Production, transportation, and material moving:56417.31%
Total Civilian Employed Population:3,259100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $173,300, which is much lower than the national median ($303,400), is up $64,400 (59.14%) since 2011 and above its 2019 pre-pandemic level by $52,500. The median gross rent is $877, which is much lower than the national median ($1,348), is up $150 (20.63%) since 2011 and above its 2019 pre-pandemic level by $188. Of occupied housing, owners make up 79.90% (63.11% with a mortgage, 36.89% free-and-clear) and renters 20.10% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 9.86%, which is markedly below the state rate (10.88%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$108,900$122,500$122,000$123,700$114,400$111,800$107,900$120,900$120,800$141,300$155,300$198,500$173,300
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:112.03%
$500 to $999:34162.92%
$1,000 to $1,499:12122.32%
$1,500 to $1,999:274.98%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:427.75%
Total:542100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$727$692$672$699$677$688$700$674$689$801$776$836$877
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):1,36050.43%
Owner Occupied (free and clear, no mortgage):79529.48%
Renter Occupied:54220.10%
Total Occupied Housing Units:2,697100%

Occupied Housing Units:2,69790.14%
Vacant Housing Units (not graphed):2959.86%
Total Housing Units:2,992100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:2,15772.09%
Multi-Family Units:290.97%
Other Units:80626.94%
Total Housing Units:2,992100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 13.30% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 88.60%, which is comparable to the national rate (89.40%). The uninsured rate is 5.40%, which is comparable to the national rate (8.60%). Public coverage is 46.60%, which is well above the national rate (36.30%). The share of people in poverty is 12.50%, which is comparable to the national rate (8.70%), down 3.70 percentage points since 2011 and below its 2019 pre-pandemic level by 2.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (54.57%). College enrollment is 8.10%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:2755.66%
9th to 12th grade, no diploma:2805.77%
High school graduate (includes equivalency):2,08843.00%
Some college, no degree:1,06721.97%
Associate's degree:50110.32%
Bachelor's degree:3767.74%
Graduate or professional degree:2695.54%
Total:4,856100%
High school or higher:4,30188.57%
Bachelor's degree or higher:64513.28%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:4,36253.87%
Public Insurance:3,34841.34%
No Insurance:3884.79%
Total:8,098100%
Has Health Insurance:7,71095.21%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty16.2%11.9%8.2%10.7%10.2%11.6%11.5%11.4%14.8%12.9%11.1%9.9%12.5%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:543.13%
Kindergarten:1357.81%
Elementary school (grades 1-8):94354.57%
High school (grades 9-12):45626.39%
College or graduate school:1408.10%
Total:1,728100%
Early Childhood:18910.94%
K-12 (Primary & Secondary School):1,53488.77%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 42171 supports both business and residential activity. According to the Business Census (2023), there are 86 business establishments, employing about 500 people with an annual payroll of $17,016,000. USPS data shows 3,314 residential mailboxes and 56 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:3,314Source: USPS
# Business Mailboxes:56Source: USPS
Total Delivery Receptacles:3,558Source: USPS
Single Family Delivery Units:3,144Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:86Source: CBP
1st Quarter Payroll:$4,206,000Source: CBP
Annual Payroll:$17,016,000Source: CBP
# of Employees:500Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 42171 is located in Warren County, Kentucky, within the Bowling Green, KY Metropolitan Statistical Area (CBSA 14540) and Kentucky's 2nd Congressional District. This Metro area has a population of 183,194 people, about 4.12% of whom live in ZIP Code 42171. It covers 103.24 sq mi of land and a water area of 0.578 sq mi.

CBSA Name:Bowling Green, KYSource: Census
CBSA Number:14540Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:183,194Source: Census
MSA:Source: Census
Land Area:103.24 sq miSource: Census
Water Area:0.578 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:7177.44 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2171454Source: Census
Place Name:Smiths Grove city; KentuckySource: Census

Adjacent & Nearby ZIP Codes


42201 | | 42170

Schools in ZIP Code 42171


ZIP Code 42171 is part of 2 school districts, including: Edmonson County School District (Grades PK thru 12) and Warren County School District (Grades Pre-Kindergarten thru 12th). There are 2 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

South Edmonson Elementary School 1058 Chalybeate School Rd
Smiths Grove, KY 42171
District: Edmonson County School District
North Warren Elementary 420 College St
Smiths Grove, KY 42171
District: Warren County School District
Montessori Academy Of Glasgow 100 Montessori Way
Glasgow, KY 42141
District: Private SchoolNearby
Glasgow Christian Academy 307 Columbia Ave
Glasgow, KY 42141
District: Private SchoolNearby
Victory Christian Academy 140 Hunter Ct
Bowling Green, KY 42103
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 42171


Pj's College Of Cosmetology-Glasgow 920 Happy Valley Road
Glasgow, KY 42141
Type: Post Secondary
Lindsey Institute Of Cosmetology 1059 Shive Lane
Bowling Green, KY 42103-8036
Type: Post Secondary
Ross Medical Education Center-Bowling Green 1751 Scottsville Rd Ste 1
Bowling Green, KY 42104
Type: Post Secondary
Regina Webb Academy 2425 Scottsville Road
Bowling Green, KY 42104-4457
Type: Post Secondary
Western Kentucky University 1906 College Heights Blvd
Bowling Green, KY 42101-1000
Type: Post Secondary
Pj's College Of Cosmetology-Bowling Green 1901 Russellville Road
Bowling Green, KY 42101
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov