Newcastle ZIP Code List — Mcclain County, OK

There is one unique ZIP code in Newcastle, Oklahoma and it is 73065. Area code: 405.

ZIP codes

51.80

sq mi land

0.99

sq mi water

405

area code

Newcastle, OK ZIP code map

About Newcastle, OK

Newcastle is a charming city located in Oklahoma, known for its friendly community and family-oriented atmosphere. Situated in Mcclain County, it is a suburb of the bustling Oklahoma City metropolitan area. This small city combines the appeal of rural living with proximity to urban amenities, making it an attractive destination for residents and visitors alike.

Location & geography

Newcastle is located approximately 18 miles south of Oklahoma City, providing easy access to the state's vibrant capital. The city covers a total land area of 51.80 square miles, complemented by a water area of 0.99 square miles, showcasing a mix of open spaces and residential neighborhoods. The terrain features a combination of gently rolling hills and flat land, making it ideal for various outdoor activities.

Community & economy

The character of Newcastle is marked by its close-knit community and commitment to family values. The local economy is supported by various industries, including retail and manufacturing, along with an increasing number of businesses catering to the growing population. Daily life in Newcastle often revolves around community events and recreational activities, creating a vibrant atmosphere for residents.

Transportation

Newcastle is conveniently served by major highways, including Interstate 44, which provides quick access to nearby cities and attractions. The nearest named airport is Will Rogers World Airport, located just a short drive away in Oklahoma City, making air travel accessible. Public transit options are limited, but residents typically rely on personal vehicles for getting around.

History

Newcastle was founded in the early 1900s and has grown steadily over the decades, shaped by its location in the expanding Oklahoma City metro area. The city originally developed as a stop along the railroad, facilitating trade and transportation. Over the years, Newcastle has evolved, with key industries shifting towards retail and service-based businesses as the population increased.

Did you know?

One surprising fact about Newcastle is that it is home to the annual Newcastle Freedom Festival, which celebrates the Fourth of July with a parade, fireworks, and various family activities. Additionally, the city is known for its strong commitment to education, featuring a highly regarded school district that serves its residents.

ZIP codes for Newcastle, OK (1)

ZIP code	City	County	Map
73065	Newcastle	Mcclain	View map

Demographics & statistics

9,877

Population

38.4

Median age

$81,633

Median household income

$40,313

Per capita income

$221,900

Median home value

$915

Median monthly rent

81.8%

Home ownership

3.6%

Poverty rate

2.2%

Unemployment

3,375

Housing units

27.6%

Bachelor's or higher

Age distribution

Male Female

281

Under 5

303

381

5–9

412

376

10–14

407

232

15–19

251

295

20–24

318

654

25–34

708

669

35–44

724

493

45–54

534

360

55–59

390

342

60–64

370

365

65–74

394

257

75–84

278

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,530	25.6%
18 and over	7,347	74.4%
65 and over	1,377	13.9%
Median age	38.4 years

Race & ethnicity

White 78.2%

Two or more races 9.8%

American Indian / Alaska Native 5.4%

Hispanic or Latino 4.5%

Black or African American 1.5%

Other race 0.6%

Group	Count	%
White	8,084	78.2%
Two or more races	1,013	9.8%
American Indian / Alaska Native	559	5.4%
Hispanic or Latino	466	4.5%
Black or African American	155	1.5%
Other race	66	0.6%

Household income

Under $10k 0.7%

$10k–$15k 3.0%

$15k–$25k 2.8%

$25k–$35k 8.7%

$35k–$50k 13.2%

$50k–$75k 17.3%

$75k–$100k 13.5%

$100k–$150k 25.3%

$150k–$200k 8.2%

$200k+ 7.2%

Range	% of households
Under $10k	0.7%
$10k–$15k	3.0%
$15k–$25k	2.8%
$25k–$35k	8.7%
$35k–$50k	13.2%
$50k–$75k	17.3%
$75k–$100k	13.5%
$100k–$150k	25.3%
$150k–$200k	8.2%
$200k+	7.2%
Median income	$81,633

Housing

Home values

Under $50k 4.0%

$50k–$100k 2.8%

$100k–$150k 9.4%

$150k–$200k 25.2%

$200k–$300k 30.5%

$300k–$500k 23.5%

$500k–$1M 4.5%

Housing overview

Metric	Value
Median home value	$221,900
Median rent / month	$915
Owner occupied	81.8%
Renter occupied	18.2%
Vacant	5.0%
Single-family detached	87.7%
Large apartment buildings	0.2%
Mobile homes	2.9%
Median rooms	5.9
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	3.8%
2010–2019	28.8%
2000–2009	16.8%
1990–1999	12.0%
1980–1989	9.2%
1970–1979	21.1%
1960–1969	4.5%
1950–1959	0.2%
1940–1949	1.7%
1939 or earlier	1.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	1.1%
2 bedrooms	13.6%
3 bedrooms	65.6%
4 bedrooms	15.5%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	23.0%
2 vehicles	41.2%
3 or more	33.9%

Heating fuel

Fuel type	%
Utility gas	52.1%
Electricity	34.4%
Propane / LP gas	11.7%
No fuel used	1.8%

Households & families

Household type	Count	%
Married-couple family	2,328	60.1%
Cohabiting couple	142	3.7%
Male householder, no spouse	617	15.9%
Female householder, no spouse	789	20.4%
Households with children under 18	1,423	36.7%
Households with seniors (65+)	1,053	27.2%
Average household size	2.55

Marital status

Status	Male	Female
Never married	21.2%	20.6%
Married	65.5%	61.4%
Separated	3.1%	1.3%
Widowed	0.9%	8.2%
Divorced	9.2%	8.5%

Education

Less than 9th grade 1.6%

Some HS, no diploma 6.6%

HS graduate 26.2%

Some college, no degree 27.8%

Associate's degree 10.3%

Bachelor's degree 19.6%

Graduate / professional 8.0%

Metric	%
HS diploma or higher	91.8%
Bachelor's or higher	27.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	142	6.2%
Kindergarten	193	8.4%
Elementary school	1,236	54.0%
High school	531	23.2%
College / grad school	189	8.2%

Employment

Industry of employment

Education & healthcare 19.4%

Public administration 13.2%

Professional & management 12.3%

Construction 11.5%

Retail trade 8.5%

Manufacturing 7.7%

Transportation & utilities 4.9%

Other services 4.7%

Agriculture & mining 4.5%

Wholesale trade 4.4%

Arts, food & hospitality 4.4%

Finance & real estate 3.4%

Information 1.0%

Occupation

Category	%
Management, business & arts	39.6%
Service	14.1%
Sales & office	23.2%
Natural resources & construction	13.0%
Production & transportation	10.1%

Employment type

Type	%
Private sector	74.2%
Government	21.5%
Self-employed	3.9%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	82.7%
Carpool	5.4%
Public transit	0.4%
Walk	0.0%
Other means	0.8%
Avg commute (minutes)	26.3

Poverty

All people 3.6%

Under 18 years 0.9%

18 and over 4.5%

Married-couple families 1.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	28.2%
Retirement income	22.2%
Supplemental Security	2.4%
Cash public assistance	1.5%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
High blood pressure	35.7%
High cholesterol	36.5%
Heart disease	5.8%
Stroke	2.6%
Asthma	10.1%
Arthritis	24.1%
Kidney disease	2.5%
Pulmonary disease	6.4%
Cancer	6.5%

Behavior / access	%
Binge drinking	14.3%
No physical activity	23.1%
Less than 7 hrs sleep	32.2%
Fair or poor health	12.8%
Poor mental health	15.2%
Poor physical health	10.0%
No health insurance	13.7%
Visited doctor (checkup)	74.6%
Visited dentist	63.7%
Cholesterol screening	90.2%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	552	7.6%

Disability	%
Any disability	12.9%
Under 18	1.2%
18–64 years	11.3%
65 and over	41.5%

Health insurance coverage

Type	%
Private insurance	84.9%
Public insurance	24.4%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,293	94.1%
Spanish	143	1.5%
Other Indo-European	143	1.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,592	97.1%
Born in same state	9,507	96.3%
Born in different state	7,114	72.0%
Foreign born	85	0.9%
Naturalized citizen	285	2.9%
Not a US citizen	100	35.1%

Ancestry

Ancestry	Count	%
Arab	1,969	19.9%
French	885	9%
Italian	785	7.9%
Polish	158	1.6%

Ancestry	Count	%
English	64	0.6%
Dutch	31	0.3%
Irish	13	0.1%

Technology access

Metric	% of households
Computer access	39.2%
Internet access	95.4%

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

Frequently asked questions

What is the ZIP code for Newcastle, OK?

Newcastle, OK has one ZIP code: 73065.

What is the main ZIP code for Newcastle, OK?

The primary ZIP code for Newcastle, OK is 73065. The city uses area code 405 for phone service.

What county is Newcastle, OK in?

Newcastle is located in Mcclain County, Oklahoma.

How many ZIP codes are in Newcastle, OK?

Newcastle, OK has 1 ZIP code.

What ZIP code covers downtown Newcastle and the main business district along State Road 27?

Downtown Newcastle and the central business district are located in ZIP code 73065, which serves as the primary commercial and civic hub of the city.

What is the ZIP code for Newcastle High School and the surrounding school district area?

Newcastle High School and the Newcastle Public Schools facilities are located in ZIP code 73065, which encompasses the educational institutions serving McClain County residents.