42123 ZIP Code — Austin, KY

Barren County, Kentucky

ZIP code 42123 is located in Austin, Kentucky, within Barren County. It covers approximately 21.99 square miles and serves a population of 1,279 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42123

The housing stock consists of a higher-than-average concentration of mobile homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $112,500. Owner-occupancy is high at 82%, well above the national average.

Median household income is $48,250. Poverty affects 18% of residents, above the national average.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Overall, ZIP code 42123 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and high homeownership.

1,279

population

21.99

sq mi land

Standard

ZIP type

Central (CT)

timezone

42123 ZIP code map

Cities in ZIP code 42123

Below are the cities the US Postal Service accepts for ZIP code 42123. Using any city not on this list may result in mail delivery delays.

City	Status
Austin	Acceptable
Austin	Preferred

Nearby ZIP codes

42133 Fountain Run (7.4 mi) 42141 Glasgow (8.8 mi) 42157 Mount Hermon (10.8 mi) 42164 Scottsville (11.2 mi) 42140 Gamaliel (13.3 mi) 42120 Adolphus (17.1 mi) 42166 Summer Shade (17.3 mi) 42160 Park City (17.7 mi) 42171 Smiths Grove (18 mi) 42167 Tompkinsville (18.9 mi) 42159 Oakland (19.3 mi) 42163 Rocky Hill (19.4 mi)

Demographics updated 05/2026

Population
Total population	1,279
Population density	58 / sq mi
State FIPS	21
County FIPS	009

Geography
Land area	21.99 sq mi
Water area	1.10 sq mi
Latitude	36.8165
Longitude	-85.9943
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	51.7%	60.7%	47.9%
$50k – $100k	30.9%	27.2%	30.3%
$100k – $200k	15.7%	10.2%	17.6%
Over $200k	1.7%	2.0%	4.2%

Demographics & statistics

1,279

Population

People per sq mi

29.8

Median age

$48,250

Median household income

$25,982

Per capita income

$112,500

Median home value

Median monthly rent

81.7%

Home ownership

17.8%

Poverty rate

0.0%

Unemployment

549

Housing units

17.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

156

25–34

151

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	372	29.1%
18 and over	907	70.9%
65 and over	182	14.2%
Median age	29.8 years

Race & ethnicity

White 83.7%

Two or more races 10%

Hispanic or Latino 6.4%

Group	Count	%
White	1,143	83.7%
Two or more races	136	10%
Hispanic or Latino	87	6.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.7%	60.7%	47.9%
$50k – $100k	30.9%	27.2%	30.3%
$100k – $200k	15.7%	10.2%	17.6%
Over $200k	1.7%	2.0%	4.2%

$10k–$15k 1.6%

$15k–$25k 22.0%

$25k–$35k 22.0%

$35k–$50k 5.8%

$50k–$75k 30.5%

$75k–$100k 4.9%

$100k–$150k 9.9%

$150k–$200k 1.9%

$200k+ 1.4%

Range	% of households
$10k–$15k	1.6%
$15k–$25k	22.0%
$25k–$35k	22.0%
$35k–$50k	5.8%
$50k–$75k	30.5%
$75k–$100k	4.9%
$100k–$150k	9.9%
$150k–$200k	1.9%
$200k+	1.4%
Median income	$48,250

Housing

Home values

Under $50k 7.4%

$50k–$100k 31.7%

$100k–$150k 21.9%

$150k–$200k 10.0%

$200k–$300k 13.1%

$300k–$500k 11.2%

$500k–$1M 3.1%

$1M+ 1.7%

Housing overview

Metric	Value
Median home value	$112,500
Median rent / month	$0
Owner occupied	81.7%
Renter occupied	18.3%
Vacant	20.1%
Single-family detached	60.3%
Large apartment buildings	0.0%
Mobile homes	39.7%
Median rooms	6.0
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	28.0%
2000–2009	22.4%
1990–1999	4.5%
1980–1989	14.2%
1970–1979	16.8%
1960–1969	8.6%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	5.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	26.9%
3 bedrooms	54.1%
4 bedrooms	10.4%
5+ bedrooms	8.6%

Vehicles per household

Vehicles	% of households
No vehicle	7.8%
1 vehicle	38.3%
2 vehicles	24.7%
3 or more	29.2%

Heating fuel

Fuel type	%
Electricity	54.3%
Propane / LP gas	20.6%
Fuel oil	15.8%
Wood	9.3%

Households & families

Household type	Count	%
Married-couple family	281	54.7%
Cohabiting couple	12	2.3%
Male householder, no spouse	81	15.8%
Female householder, no spouse	140	27.2%
Households with children under 18	237	46.1%
Households with seniors (65+)	114	22.2%
Average household size	2.49

Marital status

Status	Male	Female
Never married	36.0%	28.5%
Married	59.4%	51.3%
Separated	0.0%	0.0%
Widowed	2.1%	16.0%
Divorced	2.6%	4.2%

Education

Less than 9th grade 1.1%

Some HS, no diploma 15.6%

HS graduate 35.7%

Some college, no degree 8.2%

Associate's degree 21.4%

Bachelor's degree 12.6%

Graduate / professional 5.3%

Metric	%
HS diploma or higher	83.2%
Bachelor's or higher	17.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	2.6%
Kindergarten	49	14.0%
Elementary school	118	33.6%
High school	77	21.9%
College / grad school	98	27.9%

Employment

Industry of employment

Education & healthcare 33.6%

Manufacturing 24.3%

Retail trade 10.8%

Professional & management 10.8%

Arts, food & hospitality 4.3%

Transportation & utilities 4.1%

Agriculture & mining 2.4%

Other services 2.4%

Public administration 2.4%

Construction 1.5%

Information 1.5%

Finance & real estate 1.1%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	34.3%
Service	7.9%
Sales & office	15.2%
Natural resources & construction	5.6%
Production & transportation	36.9%

Employment type

Type	%
Private sector	86.8%
Government	10.9%
Self-employed	2.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.5%
Carpool	11.8%
Public transit	0.0%
Walk	2.9%
Work from home	5.1%
Other means	8.6%
Avg commute (minutes)	25.7

Poverty

All people 17.8%

Under 18 years 27.4%

18 and over 13.9%

Married-couple families 11.0%

Female-led households 81.2%

Income support

Source	% of households
Social Security	16.3%
Retirement income	42.8%
Supplemental Security	6.8%
Cash public assistance	0.0%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	37.3%
High blood pressure	43.0%
High cholesterol	38.4%
Diabetes	13.4%
Heart disease	8.4%
Stroke	3.9%
Asthma	11.7%
Arthritis	34.3%
Kidney disease	3.5%
Pulmonary disease	12.4%
Cancer	7.1%

Behavior / access	%
Smoking	26.2%
Binge drinking	14.2%
No physical activity	33.2%
Less than 7 hrs sleep	36.3%
Depression	26.8%
Fair or poor health	23.2%
Poor mental health	18.5%
Poor physical health	15.8%
No health insurance	11.2%
Visited doctor (checkup)	77.6%
Visited dentist	51.4%
Cholesterol screening	90.0%
Teeth loss	20.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	4.3%

Disability	%
Any disability	18.4%
Under 18	11.8%
18–64 years	18.2%
65 and over	32.4%

Health insurance coverage

Type	%
Private insurance	74.7%
Public insurance	31.3%
No insurance	1.5%
Uninsured under 19	4.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,216	95.1%
Spanish	24	2.0%
Other Indo-European	13	1.1%
Asian & Pacific Islander	11	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,279	100.0%
Born in same state	1,279	100.0%
Born in different state	952	74.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	182	14.2%
Italian	173	13.5%

Ancestry	Count	%
Arab	71	5.6%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	92.2%

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

Frequently asked questions about ZIP code 42123

What city is ZIP code 42123 in?

ZIP code 42123 is primarily assigned to Austin, Kentucky.

What county is ZIP code 42123 in?

ZIP code 42123 falls within Barren County, Kentucky.

What is the poverty rate in ZIP code 42123?

18% of residents in ZIP code 42123 live below the poverty line, above the national average.

Is ZIP code 42123 mostly owner-occupied?

82% of occupied units in ZIP code 42123 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 42123?

The median home value in ZIP code 42123 is $112,500.

What is the population of ZIP code 42123?

ZIP code 42123 has an estimated population of 1,279 residents, with a density of 58 people per square mile.

What timezone is ZIP code 42123 in?

ZIP code 42123 observes the CST timezone.