Mill Creek ZIP Codes — Johnston County, OK

There is one unique ZIP code in Mill Creek, Oklahoma and it is 74856. Area code: 580.

ZIP codes

188.15

sq mi land

0.98

sq mi water

580

area code

Mill Creek, OK ZIP code map

About Mill Creek, OK

Mill Creek is a small city located in Johnston County, Oklahoma. Known for its tranquil atmosphere and close-knit community, it offers a unique blend of rural charm and local culture. This quaint town is a hidden gem in the heart of Oklahoma, attracting visitors looking for a peaceful getaway.

Location & geography

Mill Creek is situated in the south-central part of Oklahoma, offering a serene landscape of rolling hills and wooded areas. Nearby cities include Tishomingo, approximately 14 miles to the northwest, Atoka, around 23 miles to the east, and Ada, about 24 miles to the northeast. The city encompasses a land area of 188.15 square miles, with a small water area of 0.98 square miles.

Community & economy

The character of Mill Creek is defined by its friendly residents and community-oriented lifestyle. The local economy relies on agriculture and small businesses, providing essential goods and services to the residents. Daily life in Mill Creek is tranquil, with many residents participating in community events and enjoying outdoor recreational activities.

Transportation

Mill Creek is accessible via State Highway 78, which connects the city to other regional roadways. The nearest major airport is the Ada Regional Airport, located about 24 miles away, providing limited commercial services. Local transit options are minimal, typical for small towns, so personal vehicles are the primary mode of transportation.

History

Mill Creek was founded in the late 19th century and has historically been rooted in agriculture and small-scale industry. A notable event in its history includes the establishment of local schools and community centers that helped foster education and social interaction among residents. Over the years, the city has maintained its agricultural focus while fostering a welcoming community environment.

Did you know?

A surprising fact about Mill Creek is that it is home to picturesque landscapes that are perfect for outdoor enthusiasts. Additionally, the city hosts various local events that celebrate its rich cultural heritage and community spirit.

ZIP codes for Mill Creek, OK (1)

ZIP code	City	County	Map
74856	Mill Creek	Johnston	View map

Demographics & statistics

791

Population

52.3

Median age

$63,977

Median household income

$39,869

Per capita income

$110,200

Median home value

$860

Median monthly rent

83.6%

Home ownership

12.2%

Poverty rate

1.8%

Unemployment

287

Housing units

13.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	88	11.1%
18 and over	703	88.9%
65 and over	280	35.4%
Median age	52.3 years

Race & ethnicity

White 71.9%

Two or more races 12.8%

American Indian / Alaska Native 9.9%

Hispanic or Latino 3.3%

Other race 2.1%

Group	Count	%
White	588	71.9%
Two or more races	105	12.8%
American Indian / Alaska Native	81	9.9%
Hispanic or Latino	27	3.3%
Other race	17	2.1%

Household income

Under $10k 7.8%

$10k–$15k 4.1%

$15k–$25k 8.2%

$25k–$35k 5.2%

$35k–$50k 10.4%

$50k–$75k 19.7%

$75k–$100k 14.1%

$100k–$150k 15.6%

$150k–$200k 9.3%

$200k+ 5.6%

Range	% of households
Under $10k	7.8%
$10k–$15k	4.1%
$15k–$25k	8.2%
$25k–$35k	5.2%
$35k–$50k	10.4%
$50k–$75k	19.7%
$75k–$100k	14.1%
$100k–$150k	15.6%
$150k–$200k	9.3%
$200k+	5.6%
Median income	$63,977

Housing

Home values

Under $50k 18.7%

$50k–$100k 28.4%

$100k–$150k 10.2%

$150k–$200k 5.3%

$200k–$300k 21.8%

$300k–$500k 12.0%

$1M+ 3.6%

Housing overview

Metric	Value
Median home value	$110,200
Median rent / month	$860
Owner occupied	83.6%
Renter occupied	16.4%
Vacant	18.7%
Single-family detached	85.2%
Large apartment buildings	0.0%
Mobile homes	14.2%
Median rooms	5.8
Avg household size (owned)	3.05

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	13.0%
1990–1999	11.8%
1980–1989	12.1%
1970–1979	32.9%
1960–1969	9.4%
1950–1959	8.2%
1940–1949	2.1%
1939 or earlier	8.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.1%
2 bedrooms	22.4%
3 bedrooms	54.4%
4 bedrooms	16.0%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	6.3%
1 vehicle	26.8%
2 vehicles	30.1%
3 or more	36.8%

Heating fuel

Fuel type	%
Utility gas	8.2%
Electricity	58.7%
Propane / LP gas	20.1%
Fuel oil	2.6%
Wood	3.7%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	154	57.2%
Cohabiting couple	15	5.6%
Male householder, no spouse	27	10.0%
Female householder, no spouse	73	27.1%
Households with children under 18	53	19.7%
Households with seniors (65+)	110	40.9%
Average household size	2.94

Marital status

Status	Male	Female
Never married	23.4%	14.9%
Married	52.8%	63.9%
Separated	0.0%	0.2%
Widowed	3.8%	10.7%
Divorced	19.9%	10.2%

Education

Less than 9th grade 2.0%

Some HS, no diploma 16.4%

HS graduate 34.5%

Some college, no degree 22.6%

Associate's degree 11.0%

Bachelor's degree 9.4%

Graduate / professional 4.0%

Metric	%
HS diploma or higher	81.6%
Bachelor's or higher	13.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	1.1%
Kindergarten	7	7.8%
Elementary school	49	54.4%
High school	22	24.4%
College / grad school	11	12.2%

Employment

Industry of employment

Public administration 18.6%

Manufacturing 17.5%

Agriculture & mining 14.9%

Education & healthcare 14.9%

Professional & management 7.9%

Retail trade 7.3%

Transportation & utilities 5.2%

Arts, food & hospitality 5.0%

Other services 3.9%

Construction 3.1%

Information 1.0%

Finance & real estate 0.5%

Occupation

Category	%
Management, business & arts	22.0%
Service	16.0%
Sales & office	25.1%
Natural resources & construction	12.8%
Production & transportation	24.1%

Employment type

Type	%
Private sector	60.7%
Government	31.7%
Self-employed	7.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.4%
Carpool	11.4%
Public transit	0.0%
Walk	1.1%
Other means	0.3%
Avg commute (minutes)	21.3

Poverty

All people 12.2%

Under 18 years 15.9%

18 and over 11.8%

Married-couple families 3.9%

Female-led households 28.9%

Income support

Source	% of households
Social Security	40.5%
Retirement income	22.3%
Supplemental Security	3.7%
Cash public assistance	0.7%
Food stamps / SNAP	8.9%

Health indicators

Condition	%
High blood pressure	42.6%
High cholesterol	38.1%
Heart disease	9.0%
Stroke	4.4%
Asthma	11.7%
Arthritis	30.8%
Kidney disease	3.7%
Pulmonary disease	10.6%
Cancer	7.4%

Behavior / access	%
Binge drinking	12.8%
No physical activity	33.1%
Less than 7 hrs sleep	34.2%
Fair or poor health	21.9%
Poor mental health	17.6%
Poor physical health	15.0%
No health insurance	18.5%
Visited doctor (checkup)	76.7%
Visited dentist	54.0%
Cholesterol screening	88.5%
Teeth loss	21.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	45	6.4%

Disability	%
Any disability	32.7%
Under 18	18.2%
18–64 years	20.3%
65 and over	56.1%

Health insurance coverage

Type	%
Private insurance	71.4%
Public insurance	46.1%
Uninsured under 19	12.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	777	98.2%
Spanish	1	0.1%
Other Indo-European	1	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	788	99.6%
Born in same state	784	99.1%
Born in different state	603	76.2%
Foreign born	4	0.5%
Naturalized citizen	3	0.4%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	86	10.9%
French	85	10.7%
Arab	54	6.8%

Ancestry	Count	%
Polish	36	4.6%
English	10	1.3%

Technology access

Metric	% of households
Computer access	34.0%
Internet access	89.2%

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

Frequently asked questions

What ZIP codes does Mill Creek, OK have?

Mill Creek, OK has one ZIP code: 74856. Each ZIP code serves a distinct delivery area within the city and surrounding region.