74856 ZIP Code — Mill Creek, OK

Johnston County, Oklahoma

ZIP code 74856 is located in Mill Creek, Oklahoma, within Johnston County. It covers approximately 188.15 square miles and serves a population of 791 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 580.

About ZIP code 74856

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 $110,200. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($63,977) and mean household income suggests income inequality — a small number of higher earners pull the average up. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with public administration as the leading industry. The average commute of 21 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (25%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 33%.

Overall, ZIP code 74856 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

791

population

188.15

sq mi land

Standard

ZIP type

Central (CT)

timezone

74856 ZIP code map

Cities in ZIP code 74856

Below are the cities the US Postal Service accepts for ZIP code 74856. Using any city not on this list may result in mail delivery delays.

City	Status
Mill Creek	Preferred

Nearby ZIP codes

73460 Tishomingo (8.9 mi) 73447 Mannsville (9.5 mi) 73086 Sulphur (12.5 mi) 74865 Roff (17.3 mi) 73458 Springer (17.6 mi) 73461 Wapanucka (19.2 mi) 73450 Milburn (19.9 mi)

Demographics updated 05/2026

Population
Total population	791
Population density	4 / sq mi
State FIPS	40
County FIPS	069

Geography
Land area	188.15 sq mi
Water area	0.98 sq mi
Latitude	34.3456
Longitude	-96.8270
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	38.9%	57.0%	46.5%
$50k – $100k	24.8%	30.4%	31.0%
$100k – $200k	30.4%	11.1%	18.1%
Over $200k	5.9%	1.5%	4.5%

Demographics & statistics

791

Population

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	38.9%	57.0%	46.5%
$50k – $100k	24.8%	30.4%	31.0%
$100k – $200k	30.4%	11.1%	18.1%
Over $200k	5.9%	1.5%	4.5%

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%
Work from home	3.8%
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	%
Obesity	39.3%
High blood pressure	42.6%
High cholesterol	38.1%
Diabetes	14.0%
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	%
Smoking	24.8%
Binge drinking	12.8%
No physical activity	33.1%
Less than 7 hrs sleep	34.2%
Depression	25.7%
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%
No insurance	12.1%
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 about ZIP code 74856

What city is ZIP code 74856 in?

ZIP code 74856 is primarily assigned to Mill Creek, Oklahoma.

What county is ZIP code 74856 in?

ZIP code 74856 falls within Johnston County, Oklahoma.

Does ZIP code 74856 have an older population?

35% of residents in ZIP code 74856 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 74856?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 74856 mostly owner-occupied?

84% of occupied units in ZIP code 74856 are owner-occupied, well above the national average.

Does ZIP code 74856 have a large retiree population?

41% of households in ZIP code 74856 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 74856 in?

ZIP code 74856 observes the CST timezone.