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Delaware, OK
Full City Profile · Oklahoma · Nowata County County
2.5
/5.0
C+
Fair
302
Population
774/sq mi density
$36,111
Median Income
$18,112 per capita
$40,000
Home Value
$203,233 Zillow
$642
Median Rent
32.5% income on rent
60°F
Avg Temperature
318 sunny days/yr
258
Violent Crime/100K
1,548 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$36,111 median income, 4.1% unemployment
A+
Affordability
5.0 / 5.0
$40,000 home value, $642/mo rent
F
Safety
1.0 / 5.0
258 violent crimes/100K
D
Education
1.6 / 5.0
7.3% bachelor's degree or higher
Delaware enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 37°F in January while summers reach 82°F in July. The area gets 318 sunny days per year. Air quality is rated Good with a median AQI of 45.
Temperature
37°F Jan (3°C)
82°F Jul (28°C)
| Annual Average | 60.1°F |
| 11% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 716 ft (218 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 774/sq mi |
| Coordinates | 36.7790°N, 95.6425°W |
| Timezone | America/Chicago |
| County | Nowata County County |
| Nearest Airport | Tulsa International (TUL) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0494 ppm |
| PM2.5 (Fine Particles) | 10.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 40.8 / 100 |
| Social Vulnerability | 89.6 / 100 |
| Community Resilience | 19.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.6 in | Coldest, Driest |
| February | 40°F (4°C) | 1.9 in | |
| March | 49°F (10°C) | 3.5 in | |
| April | 59°F (15°C) | 3.7 in | |
| May | 67°F (20°C) | 4.7 in | |
| June | 76°F (24°C) | 4.7 in | |
| July | 82°F (28°C) | 3.0 in | Warmest |
| August | 80°F (27°C) | 3.2 in | |
| September | 72°F (22°C) | 5.0 in | Wettest |
| October | 61°F (16°C) | 3.5 in | |
| November | 48°F (9°C) | 3.3 in | |
| December | 38°F (3°C) | 2.1 in |
Delaware has a seasonal temperature swing of 45°F / from 37°F in January to 82°F in July. Total annual precipitation is 40.1 inches, with September being the wettest month (5.0") and January the driest (1.6").