Delaware ZIP Codes — Nowata County, OK

There is one unique ZIP code in Delaware, Oklahoma and it is 74027. Area code: 918.
1
ZIP codes
97.58
sq mi land
0.27
sq mi water
918
area code
Delaware, OK ZIP code map

About Delaware, OK

Delaware, located in Oklahoma, is a small city in Nowata County. Known for its peaceful environment, it is a part of the larger metropolitan area that embodies the charm of rural Oklahoma. This quaint community provides a backdrop for both residents and visitors to appreciate the serenity of small-town life.

Location & geography

Delaware is situated in the northeastern part of Oklahoma, approximately 10 miles west of the larger city of Nowata. The surrounding terrain includes a mix of rolling hills and open fields, with the city covering a total area of 97.58 square miles of land and 0.27 square miles of water. Nearby cities include Coffeyville, Kansas, to the north about 30 miles away and Vinita, Oklahoma, approximately 22 miles to the east.

Community & economy

The community of Delaware is characterized by its close-knit population and a strong sense of local pride. Industries in the area are typically centered around agriculture and small businesses, contributing to the local economy. Daily life in Delaware reflects a slower pace, where community events and gatherings play a central role in bringing residents together.

Transportation

Delaware is accessible via U.S. Highway 169, which connects it to other parts of Oklahoma. The nearest significant airport is the Tulsa International Airport, located about 60 miles south, offering residents and visitors access to regional and national flights. Public transportation options are limited, emphasizing the importance of personal vehicles for commuting around the area.

History

Delaware was founded in the late 19th century, influenced by the expansion of railroads in Oklahoma. Historically, the city thrived primarily on agriculture and served as a hub for surrounding farming communities. Notable events in its history include the establishment of vital infrastructure that facilitated trade and communication throughout the region.

Did you know?

A surprising fact about Delaware is that it has only one ZIP code, 74027, which makes it quite unique for a city of its size. Additionally, the city’s land area of nearly 98 square miles provides ample space for outdoor activities and exploration, making it an attractive spot for those who enjoy nature.

ZIP codes for Delaware, OK (1)
ZIP code City County Map
74027 Delaware Nowata View map

Demographics & statistics

863
Population
42.0
Median age
$47,333
Median household income
$24,332
Per capita income
$90,900
Median home value
$633
Median monthly rent
82.6%
Home ownership
16.7%
Poverty rate
5.1%
Unemployment
332
Housing units
14.1%
Bachelor's or higher

Age distribution

Male Female
33
Under 5
31
20
5–9
18
35
10–14
32
31
15–19
29
24
20–24
23
55
25–34
50
48
35–44
44
52
45–54
48
50
55–59
47
34
60–64
31
44
65–74
41
17
75–84
16
5
85+
5
← Male
Female →

Age summary

GroupCount%
Under 1819522.6%
18 and over66877.4%
65 and over12814.8%
Median age42.0 years

Race & ethnicity

White 68.8%
American Indian / Alaska Native 15.3%
Two or more races 10.6%
Black or African American 2.8%
Hispanic or Latino 1%
Other race 1%
Native Hawaiian / Pacific Islander 0.6%
GroupCount%
White60068.8%
American Indian / Alaska Native13315.3%
Two or more races9210.6%
Black or African American242.8%
Hispanic or Latino91%
Other race91%
Native Hawaiian / Pacific Islander50.6%

Household income

Under $10k 2.5%
$10k–$15k 7.0%
$15k–$25k 10.1%
$25k–$35k 16.5%
$35k–$50k 15.5%
$50k–$75k 19.3%
$75k–$100k 12.3%
$100k–$150k 11.1%
$150k–$200k 4.1%
$200k+ 1.6%
Range% of households
Under $10k2.5%
$10k–$15k7.0%
$15k–$25k10.1%
$25k–$35k16.5%
$35k–$50k15.5%
$50k–$75k19.3%
$75k–$100k12.3%
$100k–$150k11.1%
$150k–$200k4.1%
$200k+1.6%
Median income$47,333

Housing

Home values

Under $50k 31.0%
$50k–$100k 24.9%
$100k–$150k 8.4%
$150k–$200k 5.0%
$200k–$300k 13.0%
$300k–$500k 13.0%
$500k–$1M 1.1%
$1M+ 3.4%

Housing overview

MetricValue
Median home value$90,900
Median rent / month$633
Owner occupied82.6%
Renter occupied17.4%
Vacant18.3%
Single-family detached69.8%
Large apartment buildings0.0%
Mobile homes28.7%
Median rooms5.0
Avg household size (owned)2.60

Year built

Era%
2020 or later1.8%
2010–201913.4%
2000–20098.8%
1990–199915.0%
1980–19899.3%
1970–197920.2%
1960–19693.6%
1950–195911.6%
1940–19496.5%
1939 or earlier9.8%

Bedrooms

Size% of units
No bedroom (studio)3.6%
1 bedroom4.7%
2 bedrooms23.8%
3 bedrooms54.0%
4 bedrooms11.9%
5+ bedrooms2.1%

Vehicles per household

Vehicles% of households
No vehicle0.9%
1 vehicle29.1%
2 vehicles42.1%
3 or more27.8%

Heating fuel

Fuel type%
Utility gas25.9%
Electricity46.2%
Propane / LP gas4.7%
Wood3.5%
No fuel used2.8%

Households & families

Household typeCount%
Married-couple family16351.6%
Cohabiting couple144.4%
Male householder, no spouse6219.6%
Female householder, no spouse7724.4%
Households with children under 1810834.2%
Households with seniors (65+)7624.1%
Average household size2.73

Marital status

StatusMaleFemale
Never married28.8%18.8%
Married51.7%56.8%
Separated2.8%2.1%
Widowed2.5%14.9%
Divorced14.2%7.4%

Education

Less than 9th grade 1.7%
Some HS, no diploma 8.2%
HS graduate 45.3%
Some college, no degree 26.7%
Associate's degree 3.9%
Bachelor's degree 11.6%
Graduate / professional 2.6%
Metric%
HS diploma or higher90.1%
Bachelor's or higher14.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool138.7%
Kindergarten106.7%
Elementary school8053.7%
High school2818.8%
College / grad school1812.1%

Employment

Industry of employment

Education & healthcare 26.5%
Manufacturing 17.1%
Construction 10.0%
Retail trade 9.4%
Agriculture & mining 8.5%
Professional & management 6.6%
Public administration 5.1%
Wholesale trade 4.8%
Arts, food & hospitality 4.0%
Other services 2.8%
Transportation & utilities 2.6%
Finance & real estate 1.7%
Information 0.9%

Occupation

Category%
Management, business & arts28.5%
Service21.4%
Sales & office15.4%
Natural resources & construction19.7%
Production & transportation15.1%

Employment type

Type%
Private sector76.1%
Government19.1%
Self-employed4.8%
Unpaid family workers0.0%

Commute

Method%
Drive alone66.5%
Carpool24.1%
Public transit0.0%
Walk0.3%
Other means0.0%
Avg commute (minutes)31.2

Poverty

All people 16.7%
Under 18 years 24.1%
18 and over 14.5%
Married-couple families 8.0%
Female-led households 31.1%

Income support

Source% of households
Social Security34.2%
Retirement income25.0%
Supplemental Security2.5%
Cash public assistance0.9%
Food stamps / SNAP17.1%

Health indicators

Condition%
High blood pressure42.6%
High cholesterol37.3%
Heart disease8.9%
Stroke4.4%
Asthma11.3%
Arthritis30.1%
Kidney disease3.7%
Pulmonary disease10.4%
Cancer7.4%
Behavior / access%
Binge drinking13.0%
No physical activity31.8%
Less than 7 hrs sleep35.3%
Fair or poor health21.1%
Poor mental health17.3%
Poor physical health14.6%
No health insurance17.4%
Visited doctor (checkup)76.6%
Visited dentist53.5%
Cholesterol screening88.7%
Teeth loss20.4%

Veterans & disability

VeteransCount%
Civilian veterans263.9%
Disability%
Any disability14.3%
Under 183.1%
18–64 years12.4%
65 and over39.1%

Health insurance coverage

Type%
Private insurance50.4%
Public insurance43.1%
Uninsured under 1915.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only79992.6%
Spanish40.5%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages40.5%

Place of birth & citizenship

OriginCount%
Native born (US)85398.8%
Born in same state84698.0%
Born in different state57666.7%
Foreign born70.8%
Naturalized citizen101.2%
Not a US citizen220.0%

Ancestry

AncestryCount%
Italian18020.9%
French435%
Arab384.4%
English283.2%
AncestryCount%
Dutch172%
German111.3%
Polish50.6%

Technology access

Metric% of households
Computer access36.6%
Internet access86.7%

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

Frequently asked questions
What ZIP codes does Delaware, OK have?
Delaware, OK has one ZIP code: 74027. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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