74027 ZIP Code — Delaware, OK

Nowata County, Oklahoma

ZIP code 74027 is located in Delaware, Oklahoma, within Nowata County. It covers approximately 97.58 square miles and serves a population of 863 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 918.

About ZIP code 74027

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $90,900. Owner-occupancy is high at 83%, well above the national average.

Median household income is $47,333. SNAP benefit usage at 17% of households reflects economic stress in the area. 34% 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 31 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. 18% of residents lack health insurance, above the national average.

Overall, ZIP code 74027 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

863

population

97.58

sq mi land

Standard

ZIP type

Central (CT)

timezone

74027 ZIP code map

Cities in ZIP code 74027

Below are the cities the US Postal Service accepts for ZIP code 74027. Using any city not on this list may result in mail delivery delays.

City	Status
Delaware	Preferred

Nearby ZIP codes

74042 Lenapah (6.5 mi) 74048 Nowata (8.4 mi) 74083 Wann (11.8 mi) 74072 S Coffeyville (11.9 mi) 74029 Dewey (15.9 mi) 74006 Bartlesville (16.1 mi) 74022 Copan (17.9 mi) 74016 Chelsea (18.7 mi) 67337 Coffeyville (19 mi) 74080 Talala (19.3 mi)

Demographics updated 05/2026

Population
Total population	863
Population density	9 / sq mi
State FIPS	40
County FIPS	105

Geography
Land area	97.58 sq mi
Water area	0.27 sq mi
Latitude	36.8006
Longitude	-95.6208
Timezone	Central (CT)
Area code	918

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.0%	55.6%	46.5%
$50k – $100k	31.2%	29.3%	31.0%
$100k – $200k	12.5%	14.3%	18.1%
Over $200k	1.3%	0.8%	4.5%

Demographics & statistics

863

Population

People per sq mi

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

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	195	22.6%
18 and over	668	77.4%
65 and over	128	14.8%
Median age	42.0 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%

Group	Count	%
White	600	68.8%
American Indian / Alaska Native	133	15.3%
Two or more races	92	10.6%
Black or African American	24	2.8%
Hispanic or Latino	9	1%
Other race	9	1%
Native Hawaiian / Pacific Islander	5	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.0%	55.6%	46.5%
$50k – $100k	31.2%	29.3%	31.0%
$100k – $200k	12.5%	14.3%	18.1%
Over $200k	1.3%	0.8%	4.5%

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 $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%
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

Metric	Value
Median home value	$90,900
Median rent / month	$633
Owner occupied	82.6%
Renter occupied	17.4%
Vacant	18.3%
Single-family detached	69.8%
Large apartment buildings	0.0%
Mobile homes	28.7%
Median rooms	5.0
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	1.8%
2010–2019	13.4%
2000–2009	8.8%
1990–1999	15.0%
1980–1989	9.3%
1970–1979	20.2%
1960–1969	3.6%
1950–1959	11.6%
1940–1949	6.5%
1939 or earlier	9.8%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	4.7%
2 bedrooms	23.8%
3 bedrooms	54.0%
4 bedrooms	11.9%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.9%
1 vehicle	29.1%
2 vehicles	42.1%
3 or more	27.8%

Heating fuel

Fuel type	%
Utility gas	25.9%
Electricity	46.2%
Propane / LP gas	4.7%
Wood	3.5%
No fuel used	2.8%

Households & families

Household type	Count	%
Married-couple family	163	51.6%
Cohabiting couple	14	4.4%
Male householder, no spouse	62	19.6%
Female householder, no spouse	77	24.4%
Households with children under 18	108	34.2%
Households with seniors (65+)	76	24.1%
Average household size	2.73

Marital status

Status	Male	Female
Never married	28.8%	18.8%
Married	51.7%	56.8%
Separated	2.8%	2.1%
Widowed	2.5%	14.9%
Divorced	14.2%	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 higher	90.1%
Bachelor's or higher	14.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	8.7%
Kindergarten	10	6.7%
Elementary school	80	53.7%
High school	28	18.8%
College / grad school	18	12.1%

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 & arts	28.5%
Service	21.4%
Sales & office	15.4%
Natural resources & construction	19.7%
Production & transportation	15.1%

Employment type

Type	%
Private sector	76.1%
Government	19.1%
Self-employed	4.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	66.5%
Carpool	24.1%
Public transit	0.0%
Walk	0.3%
Work from home	9.2%
Other means	0.0%
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 Security	34.2%
Retirement income	25.0%
Supplemental Security	2.5%
Cash public assistance	0.9%
Food stamps / SNAP	17.1%

Health indicators

Condition	%
Obesity	39.9%
High blood pressure	42.6%
High cholesterol	37.3%
Diabetes	14.1%
Heart disease	8.9%
Stroke	4.4%
Asthma	11.3%
Arthritis	30.1%
Kidney disease	3.7%
Pulmonary disease	10.4%
Cancer	7.4%

Behavior / access	%
Smoking	24.6%
Binge drinking	13.0%
No physical activity	31.8%
Less than 7 hrs sleep	35.3%
Depression	24.4%
Fair or poor health	21.1%
Poor mental health	17.3%
Poor physical health	14.6%
No health insurance	17.4%
Visited doctor (checkup)	76.6%
Visited dentist	53.5%
Cholesterol screening	88.7%
Teeth loss	20.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	26	3.9%

Disability	%
Any disability	14.3%
Under 18	3.1%
18–64 years	12.4%
65 and over	39.1%

Health insurance coverage

Type	%
Private insurance	50.4%
Public insurance	43.1%
No insurance	17.8%
Uninsured under 19	15.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	799	92.6%
Spanish	4	0.5%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	4	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	853	98.8%
Born in same state	846	98.0%
Born in different state	576	66.7%
Foreign born	7	0.8%
Naturalized citizen	10	1.2%
Not a US citizen	2	20.0%

Ancestry

Ancestry	Count	%
Italian	180	20.9%
French	43	5%
Arab	38	4.4%
English	28	3.2%

Ancestry	Count	%
Dutch	17	2%
German	11	1.3%
Polish	5	0.6%

Technology access

Metric	% of households
Computer access	36.6%
Internet access	86.7%

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

Frequently asked questions about ZIP code 74027

What city is ZIP code 74027 in?

ZIP code 74027 is primarily assigned to Delaware, Oklahoma.

What county is ZIP code 74027 in?

ZIP code 74027 falls within Nowata County, Oklahoma.

How educated is the population of ZIP code 74027?

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 74027 mostly owner-occupied?

83% of occupied units in ZIP code 74027 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 74027?

17% of residents in ZIP code 74027 live below the poverty line, above the national average.

What is the typical home value in ZIP code 74027?

The median home value in ZIP code 74027 is $90,900.

What timezone is ZIP code 74027 in?

ZIP code 74027 observes the CST timezone.