County outline
Where Elk County is located
Area breakdown
Land accounts for 99% of Elk County’s measured area and water for 1%. Its combined area converts to 1,684.7 square kilometers or approximately 416,298 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 644.264 | 1,668.636 | 412,329 |
| Water | 6.201 | 16.061 | 3,968.6 |
| Total | 650.465 | 1,684.697 | 416,297.6 |
How Elk County compares
By original Census land area, Elk County ranks #75 of 105 in Kansas and #1475 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.883 times the Kansas county-equivalent median of 729.7 square miles. It accounts for 0.8% of the combined county land area in the state.
See the complete Kansas ranking · What counts as a county equivalent?
Population and density of Elk County
The Census Bureau estimates that 2,458 people lived in Elk County on July 1, 2025. That ranks #3,077 of 3,222 county equivalents nationally and #93 of 105 in Kansas. Since the April 1, 2020 estimates base of 2,484, the population has declined by 26 (−1%), compared with +1.3% for Kansas as a whole.
With 644.3 square miles of land, that is 3.8 people per square mile (1.5 per km²), placing Elk County #2,919 nationally for density and #81 in Kansas. The median county equivalent has 47 people per square mile; the Kansas median is 8.1. Put another way, there are about 168 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 2,480 | 2,439 | 2,455 | 2,486 | 2,450 | 2,458 |
| Change | — | −41 | +16 | +31 | −36 | +8 |
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 Elk County
5 incorporated places lie at least partly in Elk County. Together they are home to 1,452 people (59.1%); the other 1,006 (40.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Howard city, with 570 residents in the county. By land, Longton city is the largest at 1.175 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Howard cityCounty seat | 570 | −0.7% | 0.706 |
| Moline city | 337 | −1.7% | 0.335 |
| Longton city | 284 | −0.7% | 1.175 |
| Grenola city | 151 | −0.7% | 0.465 |
| Elk Falls city | 110 | −0.9% | 0.727 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Elk County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Elk 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
10 ZIP Code Tabulation Areas have land in Elk County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.
66736670476712267137673446734567346673496735267353
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 Elk County
Elk County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Butler County (1,429.7 mi²) and the smallest is Wilson County (570.4 mi²). Together with its neighbors, Elk County forms a block of 6,195.9 mi² of land, of which it holds 10.4%.
| Bordering county equivalent | Land mi² | Size vs. Elk | Compare |
|---|---|---|---|
| Butler County | 1,429.7 | 2.2× larger | Compare |
| Greenwood County | 1,143.3 | 1.8× larger | Compare |
| Cowley County | 1,125.7 | 1.7× larger | Compare |
| Montgomery County | 643.6 | about the same | Compare |
| Chautauqua County | 638.9 | about the same | Compare |
| Wilson County | 570.4 | 1.1× smaller | Compare |
How big is Elk County compared with U.S. states?
Elk County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.6 times as much. Kansas’s county land could hold about 127 areas the size of Elk County.
Another way to picture it: the same land area would fill a square about 25.4 miles (40.8 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 Elk County?
Elk County has more land than 1,747 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 Elk County at #1,576 nationally by total area, 101 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%, compared with a national county-equivalent median of 1.2% — 0.2 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 Elk County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1474 | Blount County, Alabama | 644.9 | Compare |
| #1475 | Elk County, Kansas | 644.3 | This county |
| #1476 | Ontario County, New York | 644 | 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 37.456026, -96.244642. 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: 1,668,637,024 m²; AWATER: 16,060,836 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 Elk County?
Elk County, Kansas has 644.3 square miles (1,668.6 km²) of land and 6.201 square miles of water, for a total area of 650.5 square miles. It ranks #1475 of 3,222 U.S. county equivalents by land area.
Is Elk County the largest county in Kansas?
No. Elk County ranks #75 of 105 in Kansas by land area. The largest is Butler County, with 1,429.7 square miles of land.
What counties border Elk County?
Elk County shares a land border with Chautauqua County, Greenwood County, Wilson County, Cowley County, Butler County, and Montgomery County.
What is the population of Elk County?
The Census Bureau estimates Elk County had 2,458 residents on July 1, 2025, ranking #3,077 of 3,222 county equivalents. That is 3.8 people per square mile of land.
What is the county seat of Elk County?
The county seat of Elk County is Howard.
What cities and towns are in Elk County?
Elk County has 5 incorporated places. The most populous are Howard city, Moline city, Longton city, Grenola city, and Elk Falls city; 1,006 residents live outside any incorporated place.
Is Elk County part of a metropolitan area?
No. Elk County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Elk County?
10 ZIP Code Tabulation Areas have land in Elk 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 Elk County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.6 times as much land.
How many acres of land are in Elk County?
The land measurement converts to approximately 412,329 acres. Including water, total area is approximately 416,298 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.