73666 ZIP Code — Sweetwater, OK

Roger Mills County, Oklahoma

ZIP code 73666 is located in Sweetwater, Oklahoma, within Roger Mills County. It covers approximately 138.54 square miles and serves a population of 375 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 580.

About ZIP code 73666

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $155,400. Owner-occupancy sits near the national average at 68%.

Median household income is $55,833. The poverty rate of 4% is below the national average. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 16 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks. 15% of residents lack health insurance, above the national average.

375

population

138.54

sq mi land

Standard

ZIP type

Central (CT)

timezone

73666 ZIP code map

Cities in ZIP code 73666

Below are the cities the US Postal Service accepts for ZIP code 73666. Using any city not on this list may result in mail delivery delays.

City	Status
Sweetwater	Acceptable

Demographics updated 05/2026

Population
Total population	375
Population density	3 / sq mi
State FIPS	40
County FIPS	129

Geography
Land area	138.54 sq mi
Water area	0.10 sq mi
Latitude	35.4237
Longitude	-99.8810
Timezone	Central (CT)
Area code	580

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	48.3%	46.5%
$50k – $100k	39.8%	30.4%	31.0%
$100k – $200k	21.5%	14.0%	18.1%
Over $200k	4.3%	7.4%	4.5%

Demographics & statistics

375

Population

People per sq mi

39.3

Median age

$55,833

Median household income

$33,545

Per capita income

$155,400

Median home value

Median monthly rent

68.3%

Home ownership

3.5%

Poverty rate

10.7%

Unemployment

165

Housing units

22.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	122	32.5%
18 and over	253	67.5%
65 and over	91	24.3%
Median age	39.3 years

Race & ethnicity

White 94.9%

Two or more races 4.3%

American Indian / Alaska Native 0.8%

Group	Count	%
White	356	94.9%
Two or more races	16	4.3%
American Indian / Alaska Native	3	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	48.3%	46.5%
$50k – $100k	39.8%	30.4%	31.0%
$100k – $200k	21.5%	14.0%	18.1%
Over $200k	4.3%	7.4%	4.5%

Under $10k 1.7%

$15k–$25k 6.1%

$25k–$35k 18.3%

$35k–$50k 11.1%

$50k–$75k 26.7%

$75k–$100k 20.0%

$100k–$150k 11.7%

$150k–$200k 2.8%

$200k+ 1.7%

Range	% of households
Under $10k	1.7%
$15k–$25k	6.1%
$25k–$35k	18.3%
$35k–$50k	11.1%
$50k–$75k	26.7%
$75k–$100k	20.0%
$100k–$150k	11.7%
$150k–$200k	2.8%
$200k+	1.7%
Median income	$55,833

Housing

Home values

Under $50k 3.3%

$50k–$100k 31.7%

$100k–$150k 11.4%

$150k–$200k 23.6%

$200k–$300k 16.3%

$300k–$500k 12.2%

$500k–$1M 1.6%

Housing overview

Metric	Value
Median home value	$155,400
Median rent / month	$0
Owner occupied	68.3%
Renter occupied	31.7%
Vacant	18.9%
Single-family detached	74.3%
Large apartment buildings	0.0%
Mobile homes	23.4%
Median rooms	6.2
Avg household size (owned)	2.01

Year built

Era	%
2020 or later	0.0%
2010–2019	9.9%
2000–2009	14.4%
1990–1999	2.7%
1980–1989	9.0%
1970–1979	8.6%
1960–1969	11.7%
1950–1959	11.7%
1940–1949	19.8%
1939 or earlier	12.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	9.5%
3 bedrooms	76.1%
4 bedrooms	13.5%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	20.0%
2 vehicles	20.0%
3 or more	60.0%

Heating fuel

Fuel type	%
Utility gas	8.3%
Electricity	39.4%
Propane / LP gas	50.6%
Wood	1.7%

Households & families

Household type	Count	%
Married-couple family	77	42.8%
Cohabiting couple	6	3.3%
Male householder, no spouse	53	29.4%
Female householder, no spouse	44	24.4%
Households with children under 18	70	38.9%
Households with seniors (65+)	80	44.4%
Average household size	2.08

Marital status

Status	Male	Female
Never married	8.4%	16.0%
Married	52.4%	54.2%
Separated	0.0%	0.0%
Widowed	24.5%	21.4%
Divorced	14.7%	8.4%

Education

Less than 9th grade 3.7%

Some HS, no diploma 4.5%

HS graduate 34.6%

Some college, no degree 26.0%

Associate's degree 9.3%

Bachelor's degree 17.5%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	91.9%
Bachelor's or higher	22.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	8	7.7%
Elementary school	77	74.0%
High school	16	15.4%
College / grad school	3	2.9%

Employment

Industry of employment

Education & healthcare 32.8%

Public administration 19.4%

Transportation & utilities 16.4%

Agriculture & mining 14.9%

Other services 7.5%

Construction 3.7%

Arts, food & hospitality 3.0%

Retail trade 2.2%

Occupation

Category	%
Management, business & arts	32.8%
Service	29.1%
Sales & office	11.2%
Natural resources & construction	14.2%
Production & transportation	12.7%

Employment type

Type	%
Private sector	33.6%
Government	50.0%
Self-employed	16.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	60.4%
Carpool	9.0%
Public transit	0.0%
Walk	21.6%
Work from home	3.0%
Other means	6.0%
Avg commute (minutes)	16.3

Poverty

All people 3.5%

Under 18 years 3.3%

18 and over 3.6%

Married-couple families 3.9%

Female-led households 0.0%

Income support

Source	% of households
Social Security	38.9%
Retirement income	13.9%
Supplemental Security	3.3%
Cash public assistance	0.0%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
Obesity	36.7%
High blood pressure	44.5%
High cholesterol	40.3%
Diabetes	13.4%
Heart disease	9.1%
Stroke	4.2%
Asthma	10.5%
Arthritis	31.9%
Kidney disease	3.7%
Pulmonary disease	10.6%
Cancer	8.2%

Behavior / access	%
Smoking	21.9%
Binge drinking	12.1%
No physical activity	30.4%
Less than 7 hrs sleep	33.8%
Depression	24.4%
Fair or poor health	19.7%
Poor mental health	15.7%
Poor physical health	14.2%
No health insurance	16.1%
Visited doctor (checkup)	77.0%
Visited dentist	58.8%
Cholesterol screening	90.4%
Teeth loss	17.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	6	2.4%

Disability	%
Any disability	10.9%
Under 18	7.4%
18–64 years	7.4%
65 and over	22.0%

Health insurance coverage

Type	%
Private insurance	56.8%
Public insurance	37.6%
No insurance	15.2%
Uninsured under 19	16.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	354	94.4%
Spanish	6	1.7%
Other Indo-European	6	1.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	375	100.0%
Born in same state	375	100.0%
Born in different state	239	63.7%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	49	13.1%
French	35	9.3%

Ancestry	Count	%
Arab	9	2.4%

Technology access

Metric	% of households
Computer access	48.0%
Internet access	95.0%

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

Frequently asked questions about ZIP code 73666

What city is ZIP code 73666 in?

ZIP code 73666 is primarily assigned to Sweetwater, Oklahoma.

What county is ZIP code 73666 in?

ZIP code 73666 falls within Beckham County, Oklahoma.

Is ZIP code 73666 family-oriented?

33% of residents in ZIP code 73666 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 73666 have a large retiree population?

39% of households in ZIP code 73666 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 73666?

The median home value in ZIP code 73666 is $155,400.

What is the population of ZIP code 73666?

ZIP code 73666 has an estimated population of 375 residents, with a density of 3 people per square mile.

What timezone is ZIP code 73666 in?

ZIP code 73666 observes the CST timezone.