County outline
Where Kiowa County is located
Area breakdown
Land accounts for 98.5% of Kiowa County’s measured area and water for 1.5%. Its combined area converts to 2,669.3 square kilometers or approximately 659,608 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,015.078 | 2,629.04 | 649,649.9 |
| Water | 15.559 | 40.298 | 9,957.8 |
| Total | 1,030.637 | 2,669.338 | 659,607.7 |
How Kiowa County compares
By original Census land area, Kiowa County ranks #18 of 77 in Oklahoma and #658 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.265 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 1.5% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Kiowa County
The Census Bureau estimates that 8,181 people lived in Kiowa County on July 1, 2025. That ranks #2,637 of 3,222 county equivalents nationally and #62 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 8,503, the population has declined by 322 (−3.8%), compared with +4.1% for Oklahoma as a whole.
With 1,015.1 square miles of land, that is 8.1 people per square mile (3.1 per km²), placing Kiowa County #2,716 nationally for density and #63 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 79 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 8,496 | 8,403 | 8,442 | 8,333 | 8,259 | 8,181 |
| Change | — | −93 | +39 | −109 | −74 | −78 |
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 Kiowa County
8 incorporated places lie at least partly in Kiowa County. Together they are home to 6,269 people (76.6%); the other 1,912 (23.4%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Hobart city, with 3,257 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Hobart cityCounty seat | 3,257 | −4.4% | 3.368 |
| Snyder city | 1,214 | −4.2% | 1.205 |
| Mountain View town | 716 | −3.8% | 0.569 |
| Lone Wolf town | 356 | −3.8% | 0.52 |
| Mountain Park town | 310 | −2.2% | 0.753 |
| Roosevelt town | 247 | −3.5% | 0.492 |
| Gotebo town | 165 | −3.5% | 0.789 |
| Cooperton town | 4 | 0% | 0.517 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Kiowa County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Kiowa 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
9 ZIP Code Tabulation Areas have land in Kiowa County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.
730157304173062735527355973564735667365173655
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 Kiowa County
Kiowa County shares a land border with 7 county equivalents. It has more land than 5 of them. The largest neighbor is Caddo County (1,277.8 mi²) and the smallest is Greer County (639.3 mi²). Together with its neighbors, Kiowa County forms a block of 7,580 mi² of land, of which it holds 13.4%.
| Bordering county equivalent | Land mi² | Size vs. Kiowa | Compare |
|---|---|---|---|
| Caddo County | 1,277.8 | 1.3× larger | Compare |
| Comanche County | 1,069.3 | 1.1× larger | Compare |
| Washita County | 1,003.1 | about the same | Compare |
| Beckham County | 901.7 | 1.1× smaller | Compare |
| Tillman County | 871.1 | 1.2× smaller | Compare |
| Jackson County | 802.7 | 1.3× smaller | Compare |
| Greer County | 639.3 | 1.6× smaller | Compare |
How big is Kiowa County compared with U.S. states?
Kiowa 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 times as much. Oklahoma’s county land could hold about 68 areas the size of Kiowa County.
Another way to picture it: the same land area would fill a square about 31.9 miles (51.3 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 Kiowa County?
Kiowa County has more land than 2,564 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 Kiowa County at #742 nationally by total area, 84 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 1.5%, compared with a national county-equivalent median of 1.2% — 0.3 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 Kiowa County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #657 | Lamb County, Texas | 1,016.2 | Compare |
| #658 | Kiowa County, Oklahoma | 1,015.1 | This county |
| #659 | Brevard County, Florida | 1,015 | 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 34.921489, -98.981617. 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: 2,629,039,880 m²; AWATER: 40,296,744 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 Kiowa County?
Kiowa County, Oklahoma has 1,015.1 square miles (2,629 km²) of land and 15.6 square miles of water, for a total area of 1,030.6 square miles. It ranks #658 of 3,222 U.S. county equivalents by land area.
Is Kiowa County the largest county in Oklahoma?
No. Kiowa County ranks #18 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Kiowa County?
Kiowa County shares a land border with Washita County, Comanche County, Greer County, Jackson County, Caddo County, Tillman County, and Beckham County.
What is the population of Kiowa County?
The Census Bureau estimates Kiowa County had 8,181 residents on July 1, 2025, ranking #2,637 of 3,222 county equivalents. That is 8.1 people per square mile of land.
What is the county seat of Kiowa County?
The county seat of Kiowa County is Hobart.
What cities and towns are in Kiowa County?
Kiowa County has 8 incorporated places. The most populous five are Hobart city, Snyder city, Mountain View town, Lone Wolf town, and Mountain Park town; 1,912 residents live outside any incorporated place.
Is Kiowa County part of a metropolitan area?
No. Kiowa County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Kiowa County?
9 ZIP Code Tabulation Areas have land in Kiowa County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Kiowa County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1 times as much land.
How many acres of land are in Kiowa County?
The land measurement converts to approximately 649,650 acres. Including water, total area is approximately 659,608 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.