County outline
Where Pontotoc County is located
Area breakdown
Land accounts for 99.3% of Pontotoc County’s measured area and water for 0.7%. Its combined area converts to 1,878.4 square kilometers or approximately 464,170 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 720.353 | 1,865.706 | 461,025.9 |
| Water | 4.913 | 12.725 | 3,144.3 |
| Total | 725.266 | 1,878.43 | 464,170.2 |
How Pontotoc County compares
By original Census land area, Pontotoc County ranks #50 of 77 in Oklahoma and #1244 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.897 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 1.1% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Pontotoc County
The Census Bureau estimates that 38,528 people lived in Pontotoc County on July 1, 2025. That ranks #1,245 of 3,222 county equivalents nationally and #28 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 38,064, the population has grown by 464 (+1.2%), compared with +4.1% for Oklahoma as a whole.
With 720.4 square miles of land, that is 53 people per square mile (21 per km²), placing Pontotoc County #1,488 nationally for density and #24 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 12 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 38,091 | 38,184 | 38,061 | 38,504 | 38,343 | 38,528 |
| Change | — | +93 | −123 | +443 | −161 | +185 |
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 Pontotoc County
7 incorporated places lie at least partly in Pontotoc County. Together they are home to 20,223 people (52.5%); the other 18,305 (47.5%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Ada city, with 16,660 residents in the county. Among places with at least 1,000 residents in 2020, Byng town grew fastest since then (+1.4%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Ada cityCounty seat | 16,660 | +1.1% | 19.8 |
| Byng town | 1,414 | +1.4% | 6.522 |
| Allen townAlso in 1 other county | 658 | +0.9% | 0.94 |
| Roff town | 628 | −0.6% | 0.922 |
| Stonewall town | 420 | +1.4% | 0.475 |
| Francis town | 257 | +2.8% | 0.576 |
| Fitzhugh town | 186 | +2.2% | 7.505 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Pontotoc County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Pontotoc County is a central county of the Ada, OK Micropolitan Statistical Area. Pontotoc County is the area’s only county equivalent, so the micro area has the same 720.4 square miles of land. By combined land it ranks #294 of 542 micropolitan areas, and #341 by population.
ZIP codes
10 ZIP Code Tabulation Areas have land in Pontotoc County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
74572748207482574831748427484374844748657487174872
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 Pontotoc County
Pontotoc County shares a land border with 8 county equivalents. It has more land than 5 of them. The largest neighbor is Hughes County (804.5 mi²) and the smallest is Murray County (416.4 mi²). Together with its neighbors, Pontotoc County forms a block of 5,894.5 mi² of land, of which it holds 12.2%.
| Bordering county equivalent | Land mi² | Size vs. Pontotoc | Compare |
|---|---|---|---|
| Hughes County | 804.5 | 1.1× larger | Compare |
| Garvin County | 802.1 | 1.1× larger | Compare |
| Pottawatomie County | 787.8 | 1.1× larger | Compare |
| Johnston County | 643.1 | 1.1× smaller | Compare |
| Seminole County | 632.8 | 1.1× smaller | Compare |
| McClain County | 570.7 | 1.3× smaller | Compare |
| Coal County | 516.8 | 1.4× smaller | Compare |
| Murray County | 416.4 | 1.7× smaller | Compare |
How big is Pontotoc County compared with U.S. states?
Pontotoc County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Oklahoma’s county land could hold about 95 areas the size of Pontotoc County.
Another way to picture it: the same land area would fill a square about 26.8 miles (43.2 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 Pontotoc County?
Pontotoc County has more land than 1,978 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 Pontotoc County at #1,337 nationally by total area, 93 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.5 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 Pontotoc County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1243 | Albemarle County, Virginia | 720.5 | Compare |
| #1244 | Pontotoc County, Oklahoma | 720.4 | This county |
| #1245 | Saline County, Kansas | 720.2 | 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 34.721598, -96.691751. 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: 1,865,705,477 m²; AWATER: 12,725,542 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 Pontotoc County?
Pontotoc County, Oklahoma has 720.4 square miles (1,865.7 km²) of land and 4.913 square miles of water, for a total area of 725.3 square miles. It ranks #1244 of 3,222 U.S. county equivalents by land area.
Is Pontotoc County the largest county in Oklahoma?
No. Pontotoc County ranks #50 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Pontotoc County?
Pontotoc County shares a land border with Coal County, Johnston County, Seminole County, Hughes County, Garvin County, Murray County, Pottawatomie County, and McClain County.
What is the population of Pontotoc County?
The Census Bureau estimates Pontotoc County had 38,528 residents on July 1, 2025, ranking #1,245 of 3,222 county equivalents. That is 53 people per square mile of land.
What is the county seat of Pontotoc County?
The county seat of Pontotoc County is Ada.
What cities and towns are in Pontotoc County?
Pontotoc County has 7 incorporated places. The most populous five are Ada city, Byng town, Allen town, Roff town, and Stonewall town; 18,305 residents live outside any incorporated place.
Is Pontotoc County part of a metropolitan area?
Yes. It is a central county of the Ada, OK Micropolitan Statistical Area.
How many ZIP codes are in Pontotoc County?
10 ZIP Code Tabulation Areas have land in Pontotoc 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 Pontotoc County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.
How many acres of land are in Pontotoc County?
The land measurement converts to approximately 461,026 acres. Including water, total area is approximately 464,170 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.