County outline
Where Nowata County is located
Area breakdown
Land accounts for 97.4% of Nowata County’s measured area and water for 2.6%. Its combined area converts to 1,504.4 square kilometers or approximately 371,736 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 565.817 | 1,465.459 | 362,122.9 |
| Water | 15.021 | 38.904 | 9,613.4 |
| Total | 580.838 | 1,504.364 | 371,736.3 |
How Nowata County compares
By original Census land area, Nowata County ranks #68 of 77 in Oklahoma and #1810 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.705 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 0.8% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Nowata County
The Census Bureau estimates that 9,522 people lived in Nowata County on July 1, 2025. That ranks #2,522 of 3,222 county equivalents nationally and #59 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 9,322, the population has grown by 200 (+2.1%), compared with +4.1% for Oklahoma as a whole.
With 565.8 square miles of land, that is 17 people per square mile (6.5 per km²), placing Nowata County #2,418 nationally for density and #49 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 38 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 9,323 | 9,360 | 9,443 | 9,462 | 9,526 | 9,522 |
| Change | — | +37 | +83 | +19 | +64 | −4 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Nowata County
6 incorporated places lie at least partly in Nowata County. Together they are home to 5,007 people (52.6%); the other 4,515 (47.4%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Nowata city, with 3,584 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Nowata cityCounty seat | 3,584 | +2.7% | 3.405 |
| South Coffeyville town | 687 | +0.6% | 0.738 |
| Lenapah town | 281 | +2.2% | 0.412 |
| Delaware town | 272 | +1.5% | 0.394 |
| Wann town | 96 | +2.1% | 0.171 |
| New Alluwe town | 87 | 0% | 0.116 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Nowata County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Nowata County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
7 ZIP Code Tabulation Areas have land in Nowata County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.
74016740277404274048740727408374301
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Nowata County
Nowata County shares a land border with 5 county equivalents, including 2 in Kansas. It has more land than 1 of them. The largest neighbor is Craig County (761.3 mi²) and the smallest is Washington County (415.5 mi²). Together with its neighbors, Nowata County forms a block of 3,707.3 mi² of land, of which it holds 15.3%.
| Bordering county equivalent | Land mi² | Size vs. Nowata | Compare |
|---|---|---|---|
| Craig County | 761.3 | 1.3× larger | Compare |
| Rogers County | 675.7 | 1.2× larger | Compare |
| Labette CountyKansas | 645.4 | 1.1× larger | Compare |
| Montgomery CountyKansas | 643.6 | 1.1× larger | Compare |
| Washington County | 415.5 | 1.4× smaller | Compare |
How big is Nowata County compared with U.S. states?
Nowata County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Oklahoma’s county land could hold about 121 areas the size of Nowata County.
Another way to picture it: the same land area would fill a square about 23.8 miles (38.3 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Nowata County?
Nowata County has more land than 1,412 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Nowata County at #1,825 nationally by total area, 15 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 2.6%, compared with a national county-equivalent median of 1.2% — 1.4 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Nowata County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1809 | Sherman County, Nebraska | 565.9 | Compare |
| #1810 | Nowata County, Oklahoma | 565.8 | This county |
| #1811 | Black Hawk County, Iowa | 565.8 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 36.789615, -95.613312. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,465,460,407 m²; AWATER: 38,903,889 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Nowata County?
Nowata County, Oklahoma has 565.8 square miles (1,465.5 km²) of land and 15 square miles of water, for a total area of 580.8 square miles. It ranks #1810 of 3,222 U.S. county equivalents by land area.
Is Nowata County the largest county in Oklahoma?
No. Nowata County ranks #68 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Nowata County?
Nowata County shares a land border with Washington County, Craig County, Rogers County, Montgomery County, Kansas, and Labette County, Kansas.
What is the population of Nowata County?
The Census Bureau estimates Nowata County had 9,522 residents on July 1, 2025, ranking #2,522 of 3,222 county equivalents. That is 17 people per square mile of land.
What is the county seat of Nowata County?
The county seat of Nowata County is Nowata.
What cities and towns are in Nowata County?
Nowata County has 6 incorporated places. The most populous five are Nowata city, South Coffeyville town, Lenapah town, Delaware town, and Wann town; 4,515 residents live outside any incorporated place.
Is Nowata County part of a metropolitan area?
No. Nowata County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Nowata County?
7 ZIP Code Tabulation Areas have land in Nowata County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Nowata County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.8 times as much land.
How many acres of land are in Nowata County?
The land measurement converts to approximately 362,123 acres. Including water, total area is approximately 371,736 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.