73742 ZIP Code — Hennessey, OK

Kingfisher County, Oklahoma

ZIP code 73742 is located in Hennessey, Oklahoma, within Kingfisher County. It covers approximately 218.34 square miles and serves a population of 3,847 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 405.

About ZIP code 73742

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $151,500. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($54,839) and mean household income suggests income inequality — a small number of higher earners pull the average up. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 23% of residents lack health insurance, above the national average.

Overall, ZIP code 73742 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,847

population

218.34

sq mi land

Standard

ZIP type

Central (CT)

timezone

73742 ZIP code map

Cities in ZIP code 73742

Below are the cities the US Postal Service accepts for ZIP code 73742. Using any city not on this list may result in mail delivery delays.

City	Status
Hennessey	Preferred

Nearby ZIP codes

73750 Kingfisher (2.7 mi) 73734 Dover (3.2 mi) 73756 Loyal (10 mi) 73720 Bison (13 mi) 73762 Okarche (14.5 mi) 73735 Drummond (16.8 mi) 73773 Waukomis (18.2 mi) 73016 Cashion (19.6 mi)

Demographics updated 05/2026

Population
Total population	3,847
Population density	18 / sq mi
State FIPS	40
County FIPS	073

Geography
Land area	218.34 sq mi
Water area	1.27 sq mi
Latitude	36.0084
Longitude	-97.9424
Timezone	Central (CT)
Area code	405

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.1%	39.2%	46.5%
$50k – $100k	26.4%	30.3%	31.0%
$100k – $200k	19.7%	23.8%	18.1%
Over $200k	4.8%	6.7%	4.5%

Demographics & statistics

3,847

Population

People per sq mi

33.6

Median age

$54,839

Median household income

$37,207

Per capita income

$151,500

Median home value

$850

Median monthly rent

76.2%

Home ownership

16.7%

Poverty rate

3.8%

Unemployment

1,366

Housing units

24.8%

Bachelor's or higher

Age distribution

Male Female

175

Under 5

159

180

5–9

163

203

10–14

185

15–19

122

20–24

110

268

25–34

244

270

35–44

245

45–54

55–59

212

60–64

192

219

65–74

199

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,178	30.6%
18 and over	2,669	69.4%
65 and over	623	16.2%
Median age	33.6 years

Race & ethnicity

White 68.5%

Hispanic or Latino 13.9%

Two or more races 11.6%

Other race 4.8%

American Indian / Alaska Native 0.7%

Asian 0.3%

Black or African American 0.2%

Group	Count	%
White	3,061	68.5%
Hispanic or Latino	621	13.9%
Two or more races	520	11.6%
Other race	214	4.8%
American Indian / Alaska Native	30	0.7%
Asian	14	0.3%
Black or African American	8	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.1%	39.2%	46.5%
$50k – $100k	26.4%	30.3%	31.0%
$100k – $200k	19.7%	23.8%	18.1%
Over $200k	4.8%	6.7%	4.5%

Under $10k 4.4%

$10k–$15k 8.4%

$15k–$25k 9.2%

$25k–$35k 8.4%

$35k–$50k 15.6%

$50k–$75k 19.4%

$75k–$100k 11.0%

$100k–$150k 7.2%

$150k–$200k 7.1%

$200k+ 9.2%

Range	% of households
Under $10k	4.4%
$10k–$15k	8.4%
$15k–$25k	9.2%
$25k–$35k	8.4%
$35k–$50k	15.6%
$50k–$75k	19.4%
$75k–$100k	11.0%
$100k–$150k	7.2%
$150k–$200k	7.1%
$200k+	9.2%
Median income	$54,839

Housing

Home values

Under $50k 14.5%

$50k–$100k 13.6%

$100k–$150k 21.6%

$150k–$200k 12.4%

$200k–$300k 20.1%

$300k–$500k 11.3%

$500k–$1M 4.9%

$1M+ 1.7%

Housing overview

Metric	Value
Median home value	$151,500
Median rent / month	$850
Owner occupied	76.2%
Renter occupied	23.8%
Vacant	20.4%
Single-family detached	73.7%
Large apartment buildings	0.0%
Mobile homes	20.1%
Median rooms	5.7
Avg household size (owned)	2.89

Year built

Era	%
2020 or later	0.2%
2010–2019	4.6%
2000–2009	15.2%
1990–1999	7.2%
1980–1989	6.3%
1970–1979	30.3%
1960–1969	11.6%
1950–1959	6.4%
1940–1949	5.0%
1939 or earlier	13.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	4.5%
2 bedrooms	22.7%
3 bedrooms	61.5%
4 bedrooms	7.5%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	28.8%
2 vehicles	42.3%
3 or more	28.3%

Heating fuel

Fuel type	%
Utility gas	53.4%
Electricity	33.5%
Propane / LP gas	12.8%
Fuel oil	0.4%

Households & families

Household type	Count	%
Married-couple family	777	57.9%
Cohabiting couple	13	1.0%
Male householder, no spouse	278	20.7%
Female householder, no spouse	274	20.4%
Households with children under 18	525	39.1%
Households with seniors (65+)	428	31.9%
Average household size	2.84

Marital status

Status	Male	Female
Never married	24.9%	19.8%
Married	59.9%	61.2%
Separated	0.3%	7.2%
Widowed	6.8%	6.7%
Divorced	8.2%	5.1%

Education

Less than 9th grade 9.7%

Some HS, no diploma 4.9%

HS graduate 40.7%

Some college, no degree 16.7%

Associate's degree 3.1%

Bachelor's degree 17.1%

Graduate / professional 7.7%

Metric	%
HS diploma or higher	85.3%
Bachelor's or higher	24.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	1.9%
Kindergarten	117	10.8%
Elementary school	599	55.5%
High school	158	14.6%
College / grad school	186	17.2%

Employment

Industry of employment

Agriculture & mining 26.1%

Education & healthcare 24.3%

Manufacturing 8.1%

Retail trade 7.5%

Transportation & utilities 6.5%

Professional & management 5.3%

Arts, food & hospitality 4.7%

Construction 4.6%

Wholesale trade 4.1%

Public administration 3.1%

Finance & real estate 2.9%

Other services 1.7%

Information 1.1%

Occupation

Category	%
Management, business & arts	26.5%
Service	10.7%
Sales & office	16.4%
Natural resources & construction	20.9%
Production & transportation	25.5%

Employment type

Type	%
Private sector	79.0%
Government	11.6%
Self-employed	9.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	92.2%
Carpool	5.3%
Public transit	0.0%
Walk	0.0%
Work from home	2.5%
Other means	0.0%
Avg commute (minutes)	19.0

Poverty

All people 16.7%

Under 18 years 21.0%

18 and over 14.8%

Married-couple families 9.1%

Female-led households 44.4%

Income support

Source	% of households
Social Security	33.3%
Retirement income	17.1%
Supplemental Security	4.6%
Cash public assistance	0.0%
Food stamps / SNAP	3.7%

Health indicators

Condition	%
Obesity	37.6%
High blood pressure	38.3%
High cholesterol	36.6%
Diabetes	12.1%
Heart disease	7.7%
Stroke	3.5%
Asthma	10.4%
Arthritis	26.0%
Kidney disease	3.2%
Pulmonary disease	8.7%
Cancer	6.7%

Behavior / access	%
Smoking	20.6%
Binge drinking	12.8%
No physical activity	31.3%
Less than 7 hrs sleep	33.3%
Depression	23.5%
Fair or poor health	19.1%
Poor mental health	16.2%
Poor physical health	13.0%
No health insurance	22.6%
Visited doctor (checkup)	75.9%
Visited dentist	58.7%
Cholesterol screening	87.2%
Teeth loss	19.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	50	1.9%

Disability	%
Any disability	9.6%
Under 18	3.8%
18–64 years	8.0%
65 and over	26.6%

Health insurance coverage

Type	%
Private insurance	57.8%
Public insurance	31.7%
No insurance	22.7%
Uninsured under 19	15.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,513	91.3%
Spanish	404	11.5%
Other Indo-European	399	11.4%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,144	81.7%
Born in same state	3,123	81.2%
Born in different state	2,622	68.2%
Foreign born	21	0.5%
Naturalized citizen	703	18.3%
Not a US citizen	154	21.9%

Ancestry

Ancestry	Count	%
French	666	17.3%
Arab	304	7.9%
Italian	212	5.5%

Ancestry	Count	%
English	78	2%
Polish	17	0.4%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	93.4%

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

Frequently asked questions about ZIP code 73742

What city is ZIP code 73742 in?

ZIP code 73742 is primarily assigned to Hennessey, Oklahoma.

What county is ZIP code 73742 in?

ZIP code 73742 falls within Kingfisher County, Oklahoma.

Is ZIP code 73742 family-oriented?

31% of residents in ZIP code 73742 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 73742?

17% of residents in ZIP code 73742 live below the poverty line, above the national average.

What is the typical home value in ZIP code 73742?

The median home value in ZIP code 73742 is $151,500.

What is the population of ZIP code 73742?

ZIP code 73742 has an estimated population of 3,847 residents, with a density of 18 people per square mile.

What timezone is ZIP code 73742 in?

ZIP code 73742 observes the CST timezone.