42134 ZIP Code — Franklin, KY

Simpson County, Kentucky

ZIP code 42134 is located in Franklin, Kentucky, within Simpson County. It covers approximately 212.67 square miles and serves a population of 19,185 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42134

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $173,800. Owner-occupancy sits near the national average at 65%.

Median household income is $53,864. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 22 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 (24%) compared to national benchmarks.

Overall, ZIP code 42134 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

19,185

population

212.67

sq mi land

Standard

ZIP type

Central (CT)

timezone

42134 ZIP code map

Cities in ZIP code 42134

Below are the cities the US Postal Service accepts for ZIP code 42134. Using any city not on this list may result in mail delivery delays.

City	Status
Franklin	Preferred

Nearby ZIP codes

42170 Woodburn (6.2 mi) 42104 Bowling Green (10.7 mi) 37141 Orlinda (12.1 mi) 37148 Portland (13.3 mi) 42206 Auburn (13.3 mi) 42122 Alvaton (14 mi) 42274 Rockfield (14.1 mi) 37049 Cross Plains (15.2 mi) 42120 Adolphus (17.5 mi) 42202 Adairville (17.9 mi) 37048 Cottontown (18 mi) 42103 Bowling Green (18.5 mi)

Demographics updated 05/2026

Population
Total population	19,185
Population density	90 / sq mi
State FIPS	21
County FIPS	213

Geography
Land area	212.67 sq mi
Water area	2.10 sq mi
Latitude	36.7481
Longitude	-86.5608
Timezone	Central (CT)
Area code	270/364

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.4%	50.4%	47.9%
$50k – $100k	35.8%	35.8%	30.3%
$100k – $200k	11.6%	11.6%	17.6%
Over $200k	2.2%	2.2%	4.2%

Demographics & statistics

19,185

Population

People per sq mi

39.2

Median age

$53,864

Median household income

$27,464

Per capita income

$173,800

Median home value

$960

Median monthly rent

64.6%

Home ownership

15.0%

Poverty rate

3.5%

Unemployment

5,548

Housing units

14.7%

Bachelor's or higher

Age distribution

Male Female

546

Under 5

529

806

5–9

782

572

10–14

554

624

15–19

606

630

20–24

612

1,264

25–34

1,226

1,213

35–44

1,177

1,124

45–54

1,091

660

55–59

641

764

60–64

741

936

65–74

907

483

75–84

469

116

85+

112

← Male

Female →

Age summary

Group	Count	%
Under 18	4,588	23.9%
18 and over	14,597	76.1%
65 and over	3,023	15.8%
Median age	39.2 years

Race & ethnicity

White 83.3%

Black or African American 9.4%

Two or more races 4%

Hispanic or Latino 2.1%

Other race 0.8%

Asian 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	16,316	83.3%
Black or African American	1,839	9.4%
Two or more races	790	4%
Hispanic or Latino	413	2.1%
Other race	150	0.8%
Asian	78	0.4%
American Indian / Alaska Native	12	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.4%	50.4%	47.9%
$50k – $100k	35.8%	35.8%	30.3%
$100k – $200k	11.6%	11.6%	17.6%
Over $200k	2.2%	2.2%	4.2%

Under $10k 8.9%

$10k–$15k 5.5%

$15k–$25k 6.7%

$25k–$35k 8.1%

$35k–$50k 15.4%

$50k–$75k 21.9%

$75k–$100k 10.0%

$100k–$150k 15.0%

$150k–$200k 5.9%

$200k+ 2.6%

Range	% of households
Under $10k	8.9%
$10k–$15k	5.5%
$15k–$25k	6.7%
$25k–$35k	8.1%
$35k–$50k	15.4%
$50k–$75k	21.9%
$75k–$100k	10.0%
$100k–$150k	15.0%
$150k–$200k	5.9%
$200k+	2.6%
Median income	$53,864

Housing

Home values

Under $50k 8.0%

$50k–$100k 15.2%

$100k–$150k 16.6%

$150k–$200k 16.1%

$200k–$300k 26.1%

$300k–$500k 13.5%

$500k–$1M 3.7%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$173,800
Median rent / month	$960
Owner occupied	64.6%
Renter occupied	35.4%
Vacant	10.5%
Single-family detached	76.6%
Large apartment buildings	0.9%
Mobile homes	8.2%
Median rooms	5.7
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	1.6%
2010–2019	10.0%
2000–2009	11.6%
1990–1999	18.0%
1980–1989	6.8%
1970–1979	17.4%
1960–1969	11.1%
1950–1959	8.1%
1940–1949	4.3%
1939 or earlier	11.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	6.3%
2 bedrooms	23.4%
3 bedrooms	57.2%
4 bedrooms	11.6%
5+ bedrooms	1.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	31.3%
2 vehicles	38.6%
3 or more	26.9%

Heating fuel

Fuel type	%
Utility gas	35.4%
Electricity	52.6%
Propane / LP gas	10.6%
Wood	0.8%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,756	51.7%
Cohabiting couple	477	6.6%
Male householder, no spouse	1,290	17.8%
Female householder, no spouse	1,739	23.9%
Households with children under 18	2,244	30.9%
Households with seniors (65+)	1,948	26.8%
Average household size	2.59

Marital status

Status	Male	Female
Never married	29.2%	24.9%
Married	53.1%	52.2%
Separated	3.1%	1.3%
Widowed	1.2%	8.7%
Divorced	13.4%	12.9%

Education

Less than 9th grade 2.7%

Some HS, no diploma 7.2%

HS graduate 43.9%

Some college, no degree 20.1%

Associate's degree 11.4%

Bachelor's degree 8.5%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	14.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	216	5.4%
Kindergarten	218	5.4%
Elementary school	1,990	49.4%
High school	1,022	25.4%
College / grad school	584	14.5%

Employment

Industry of employment

Manufacturing 26.7%

Education & healthcare 15.1%

Retail trade 13.1%

Arts, food & hospitality 8.7%

Transportation & utilities 7.8%

Professional & management 6.4%

Construction 6.3%

Other services 5.4%

Finance & real estate 3.1%

Public administration 2.6%

Wholesale trade 2.4%

Agriculture & mining 1.5%

Information 0.7%

Occupation

Category	%
Management, business & arts	26.0%
Service	14.9%
Sales & office	21.0%
Natural resources & construction	9.5%
Production & transportation	28.6%

Employment type

Type	%
Private sector	79.8%
Government	10.5%
Self-employed	9.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	77.9%
Carpool	16.5%
Public transit	0.0%
Walk	0.8%
Work from home	4.3%
Other means	0.5%
Avg commute (minutes)	22.2

Poverty

All people 15.0%

Under 18 years 14.7%

18 and over 15.1%

Married-couple families 6.1%

Female-led households 41.5%

Income support

Source	% of households
Social Security	31.8%
Retirement income	26.0%
Supplemental Security	6.3%
Cash public assistance	2.9%
Food stamps / SNAP	13.8%

Health indicators

Condition	%
Obesity	37.7%
High blood pressure	43.2%
High cholesterol	36.8%
Diabetes	12.1%
Heart disease	7.5%
Stroke	3.6%
Asthma	11.3%
Arthritis	31.4%
Kidney disease	3.2%
Pulmonary disease	10.4%
Cancer	6.7%

Behavior / access	%
Smoking	24.2%
Binge drinking	15.2%
No physical activity	32.0%
Less than 7 hrs sleep	39.0%
Depression	25.5%
Fair or poor health	20.8%
Poor mental health	18.2%
Poor physical health	14.1%
No health insurance	11.3%
Visited doctor (checkup)	76.8%
Visited dentist	53.8%
Cholesterol screening	89.8%
Teeth loss	19.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,018	7.0%

Disability	%
Any disability	15.2%
Under 18	3.8%
18–64 years	15.9%
65 and over	30.0%

Health insurance coverage

Type	%
Private insurance	61.1%
Public insurance	42.7%
No insurance	9.5%
Uninsured under 19	7.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,110	94.4%
Spanish	57	0.3%
Other Indo-European	8	0.0%
Asian & Pacific Islander	21	0.1%
Other languages	28	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,014	99.1%
Born in same state	18,932	98.7%
Born in different state	11,275	58.8%
Foreign born	82	0.4%
Naturalized citizen	171	0.9%
Not a US citizen	102	59.6%

Ancestry

Ancestry	Count	%
French	2,953	15.4%
Arab	2,172	11.3%
Italian	1,809	9.4%
English	215	1.1%

Ancestry	Count	%
German	47	0.2%
Polish	38	0.2%
Irish	30	0.2%
Dutch	20	0.1%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	90.3%

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

Frequently asked questions about ZIP code 42134

What city is ZIP code 42134 in?

ZIP code 42134 is primarily assigned to Franklin, Kentucky.

What county is ZIP code 42134 in?

ZIP code 42134 falls within Simpson County, Kentucky.

How educated is the population of ZIP code 42134?

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 42134?

The median home value in ZIP code 42134 is $173,800.

What is the population of ZIP code 42134?

ZIP code 42134 has an estimated population of 19,185 residents, with a density of 90 people per square mile.

What is the median household income in ZIP code 42134?

The median household income in ZIP code 42134 is $53,864, below the national median of ~$75,000.

What timezone is ZIP code 42134 in?

ZIP code 42134 observes the CST timezone.