Delaware is a town in Nowata County, Oklahoma, United States. Its population was 267 at the 2020 census, a decline of 35.9% from the 417 recorded in 2010. The town is named for the Eastern Delaware tribe that moved into this area from Kansas after signing a treaty with the Cherokee Nation in 1867.

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Town numbers

ZIP code74027

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Living in Delaware

Housing in Delaware

$220K▲ 15% in a year Typical home value · Zillow

The typical Delaware home is worth about $220,000, up 15% in a year, close to the Oklahoma typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Delaware

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Most working residents leave Delaware for work: only 0% work in town. The top destinations are Tulsa (15%), Coffeyville (14%) and Nowata (9%). Half commute less than 35 miles.

Tulsa

15%

Coffeyville, KS

14%

Nowata

South Coffeyville

0%Work in townlive and work in Delaware 35 miWhere do people commute?the commute map 8Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Delaware →

Health in Delaware

Compared with Oklahoma

1better than OK·13worse

of 32 measures CDC estimates. The other 18 are too close to call.

Conditions 7▼ 5 close Habits 2▼ 2 close Care 1▲ 1▼ 5 close Mind 2▼ 3 close Everyday needs 1▼ 3 close

BetterToo close to callWorse

What stands out

79.6%More adults treating high blood pressureOK 76.3% · better 12.4%More adults with COPDOK 8% · worse

Care nearby

Ascension St. John NowataNowata · 5.7 mi · ER · rural critical access

Morton Nowata Health CenterNowata · 5.7 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Delaware · CMS · HRSAHealth in Delaware →

Natural hazards in Delaware

Very high

Expected storm and flood damage is higher than in 85% of U.S. communities.

🌊 Inland flooding💨 Strong wind🥶 Cold waves

0Does Delaware flood?no paid flood claims on record 5Disasters that paid out herefederal disasters sent FEMA money to Delaware

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Delaware →

Climate in Delaware

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Delaware has chilly winters and warm summers. A typical July afternoon reaches 92°, a January night drops to 26°, and about 8 inches of snow falls in a normal winter.

49° / 28°Winter

70° / 48°Spring

90° / 69°Summer

72° / 49°Fall