County outline
Where Kingfisher County is located
Area breakdown
Land accounts for 99.1% of Kingfisher County’s measured area and water for 0.9%. Its combined area converts to 2,346.6 square kilometers or approximately 579,862 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 898.092 | 2,326.048 | 574,778.9 |
| Water | 7.942 | 20.57 | 5,082.9 |
| Total | 906.034 | 2,346.617 | 579,861.8 |
How Kingfisher County compares
By original Census land area, Kingfisher County ranks #31 of 77 in Oklahoma and #867 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.119 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 1.3% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Kingfisher County
The Census Bureau estimates that 15,795 people lived in Kingfisher County on July 1, 2025. That ranks #2,117 of 3,222 county equivalents nationally and #45 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 15,181, the population has grown by 614 (+4%), compared with +4.1% for Oklahoma as a whole.
With 898.1 square miles of land, that is 18 people per square mile (6.8 per km²), placing Kingfisher County #2,396 nationally for density and #48 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 36 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 15,170 | 15,226 | 15,281 | 15,527 | 15,677 | 15,795 |
| Change | — | +56 | +55 | +246 | +150 | +118 |
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 Kingfisher County
7 incorporated places lie at least partly in Kingfisher County. Together they are home to 9,484 people (60%); the other 6,311 (40%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Kingfisher city, with 5,201 residents in the county. By land, Piedmont city is the largest at 43.4 mi² across all its counties. Among places with at least 1,000 residents in 2020, Kingfisher city grew fastest since then (+5.6%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Kingfisher cityCounty seat | 5,201 | +5.6% | 4.463 |
| Hennessey town | 2,207 | +3% | 3.707 |
| Okarche townAlso in 1 other county | 902 | +2.6% | 2.2 |
| Cashion townAlso in 1 other county | 685 | +11.9% | 1.304 |
| Dover town | 410 | +2.2% | 0.311 |
| Loyal town | 70 | +2.9% | 0.089 |
| Piedmont cityAlso in 1 other county | 9 | 0% | 43.4 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Kingfisher County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Kingfisher 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
12 ZIP Code Tabulation Areas have land in Kingfisher County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
730167302873056737187373473742737447375073756737627376373764
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 Kingfisher County
Kingfisher County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Garfield County (1,058.5 mi²) and the smallest is Logan County (743.7 mi²). Together with its neighbors, Kingfisher County forms a block of 5,480.4 mi² of land, of which it holds 16.4%.
| Bordering county equivalent | Land mi² | Size vs. Kingfisher | Compare |
|---|---|---|---|
| Garfield County | 1,058.5 | 1.2× larger | Compare |
| Major County | 955 | 1.1× larger | Compare |
| Blaine County | 928.5 | about the same | Compare |
| Canadian County | 896.6 | about the same | Compare |
| Logan County | 743.7 | 1.2× smaller | Compare |
How big is Kingfisher County compared with U.S. states?
Kingfisher County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.2 times as much. Oklahoma’s county land could hold about 76 areas the size of Kingfisher County.
Another way to picture it: the same land area would fill a square about 30 miles (48.2 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 Kingfisher County?
Kingfisher County has more land than 2,355 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 Kingfisher County at #947 nationally by total area, 80 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 0.9%, compared with a national county-equivalent median of 1.2% — 0.3 percentage points lower. 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 Kingfisher County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #866 | McPherson County, Kansas | 898.3 | Compare |
| #867 | Kingfisher County, Oklahoma | 898.1 | This county |
| #868 | Ector County, Texas | 897.9 | 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 35.949429, -97.934542. 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: 2,326,048,538 m²; AWATER: 20,569,593 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 Kingfisher County?
Kingfisher County, Oklahoma has 898.1 square miles (2,326 km²) of land and 7.942 square miles of water, for a total area of 906 square miles. It ranks #867 of 3,222 U.S. county equivalents by land area.
Is Kingfisher County the largest county in Oklahoma?
No. Kingfisher County ranks #31 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Kingfisher County?
Kingfisher County shares a land border with Blaine County, Logan County, Canadian County, Garfield County, and Major County.
What is the population of Kingfisher County?
The Census Bureau estimates Kingfisher County had 15,795 residents on July 1, 2025, ranking #2,117 of 3,222 county equivalents. That is 18 people per square mile of land.
What is the county seat of Kingfisher County?
The county seat of Kingfisher County is Kingfisher.
What cities and towns are in Kingfisher County?
Kingfisher County has 7 incorporated places. The most populous five are Kingfisher city, Hennessey town, Okarche town, Cashion town, and Dover town; 6,311 residents live outside any incorporated place.
Is Kingfisher County part of a metropolitan area?
No. Kingfisher County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Kingfisher County?
12 ZIP Code Tabulation Areas have land in Kingfisher County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Kingfisher County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.2 times as much land.
How many acres of land are in Kingfisher County?
The land measurement converts to approximately 574,779 acres. Including water, total area is approximately 579,862 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.