County outline
Where Huntingdon County is located
Area breakdown
Land accounts for 98.4% of Huntingdon County’s measured area and water for 1.6%. Its combined area converts to 2,303 square kilometers or approximately 569,092 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 874.592 | 2,265.183 | 559,738.9 |
| Water | 14.615 | 37.853 | 9,353.6 |
| Total | 889.207 | 2,303.036 | 569,092.5 |
How Huntingdon County compares
By original Census land area, Huntingdon County ranks #17 of 67 in Pennsylvania and #929 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.339 times the Pennsylvania county-equivalent median of 653.3 square miles. It accounts for 2% of the combined county land area in the state.
See the complete Pennsylvania ranking · What counts as a county equivalent?
Population and density of Huntingdon County
The Census Bureau estimates that 43,001 people lived in Huntingdon County on July 1, 2025. That ranks #1,152 of 3,222 county equivalents nationally and #49 of 67 in Pennsylvania. Since the April 1, 2020 estimates base of 44,077, the population has declined by 1,076 (−2.4%), compared with +0.4% for Pennsylvania as a whole.
With 874.6 square miles of land, that is 49 people per square mile (19 per km²), placing Huntingdon County #1,568 nationally for density and #55 in Pennsylvania. The median county equivalent has 47 people per square mile; the Pennsylvania median is 137. Put another way, there are about 13 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 44,043 | 43,972 | 43,261 | 43,527 | 43,384 | 43,001 |
| Change | — | −71 | −711 | +266 | −143 | −383 |
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 Huntingdon County
Huntingdon County is divided into 48 municipalities and townships. In Pennsylvania, county subdivisions are local governments, and together they cover all of the county’s land and residents.
The most populous is Huntingdon borough, with 6,862 residents (16% of the county). The largest by land is Jackson township, at 72.4 mi², or 8.3% of the county’s land. Among those with at least 1,000 residents in 2020, Dublin township grew fastest since then (+0.9%).
| County subdivision | Population 2025 | Since 2020 | Land mi² | Share of county land |
|---|---|---|---|---|
| Huntingdon boroughCounty seat | 6,862 | +0.6% | 3.617 | 0.4% |
| Smithfield township | 3,981 | −13.9% | 5.502 | 0.6% |
| Shirley township | 2,374 | −1.4% | 58.4 | 6.7% |
| Mount Union borough | 2,231 | −3.3% | 1.159 | 0.1% |
| Walker township | 1,913 | −1.7% | 18.5 | 2.1% |
| Porter township | 1,863 | −2.8% | 35.2 | 4% |
| Warriors Mark township | 1,851 | −0.6% | 29.4 | 3.4% |
| Cromwell township | 1,488 | −0.9% | 50.8 | 5.8% |
| Dublin township | 1,193 | +0.9% | 36.8 | 4.2% |
| Penn township | 1,084 | −0.9% | 28.6 | 3.3% |
| Brady township | 1,008 | −1.6% | 31.2 | 3.6% |
| Cass township | 1,004 | −1% | 33 | 3.8% |
| Oneida township | 992 | −2.4% | 17.5 | 2% |
| Union township | 936 | −2.1% | 39.2 | 4.5% |
| Jackson township | 923 | +7.6% | 72.4 | 8.3% |
Show the other 33 subdivisions
| Name | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Henderson township | 917 | −1.3% | 26.2 |
| Todd township | 894 | −0.1% | 44.4 |
| Clay township | 847 | −2.6% | 28.5 |
| Springfield township | 681 | −2.2% | 27.5 |
| Logan township | 597 | −2.8% | 22.9 |
| Wood township | 590 | −2.5% | 16.5 |
| Tell township | 548 | −0.2% | 42.6 |
| West township | 512 | −1.7% | 31.1 |
| Franklin township | 485 | −2.6% | 31.5 |
| Hopewell township | 459 | +1.1% | 15.3 |
| Miller township | 446 | −1.8% | 22.2 |
| Juniata township | 436 | +0.2% | 16.7 |
| Three Springs borough | 428 | −3.2% | 1.233 |
| Morris township | 422 | −0.2% | 12.2 |
| Barree township | 420 | −3% | 24 |
| Petersburg borough | 416 | −0.5% | 0.333 |
| Orbisonia borough | 413 | −2.6% | 0.098 |
| Mapleton borough | 402 | −3.6% | 0.183 |
| Rockhill borough | 372 | −0.8% | 0.291 |
| Alexandria borough | 367 | −3.7% | 0.114 |
| Broad Top City borough | 359 | −2.4% | 0.677 |
| Carbon township | 321 | +0.3% | 18.6 |
| Lincoln township | 311 | −2.5% | 18.9 |
| Saltillo borough | 300 | −3.8% | 0.252 |
| Mill Creek borough | 283 | −3.7% | 0.301 |
| Spruce Creek township | 194 | −3% | 8.464 |
| Marklesburg borough | 181 | −3.2% | 1.036 |
| Dudley borough | 178 | −3.3% | 0.328 |
| Shirleysburg borough | 134 | −2.9% | 0.16 |
| Cassville borough | 133 | −2.9% | 0.593 |
| Birmingham borough | 90 | −1.1% | 0.063 |
| Coalmont borough | 84 | −3.4% | 0.12 |
| Shade Gap borough | 78 | −2.5% | 0.032 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Huntingdon County. Land: 2026 Census Gazetteer. How communities are listed.
Metropolitan area
Huntingdon County is a central county of the Huntingdon, PA Micropolitan Statistical Area. Huntingdon County is the area’s only county equivalent, so the micro area has the same 874.6 square miles of land. By combined land it ranks #233 of 542 micropolitan areas, and #292 by population. It belongs to the Altoona-Huntingdon, PA Combined Statistical Area.
ZIP codes
34 ZIP Code Tabulation Areas have land in Huntingdon County; 28 of them have most of their land inside the county, and the others mainly cover neighboring areas.
16611166211662216623166341663816647166521665416657166691667416678166831668516686166941686516877170021702117052170601706617213172151722917239172431724917253172551726017264
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 Huntingdon County
Huntingdon County shares a land border with 7 county equivalents. It has more land than 5 of them. The largest neighbor is Centre County (1,107.3 mi²) and the smallest is Juniata County (391.4 mi²). Together with its neighbors, Huntingdon County forms a block of 5,531.2 mi² of land, of which it holds 15.8%.
| Bordering county equivalent | Land mi² | Size vs. Huntingdon | Compare |
|---|---|---|---|
| Centre County | 1,107.3 | 1.3× larger | Compare |
| Bedford County | 1,012 | 1.2× larger | Compare |
| Franklin County | 772.3 | 1.1× smaller | Compare |
| Blair County | 525.1 | 1.7× smaller | Compare |
| Fulton County | 437.6 | 2× smaller | Compare |
| Mifflin County | 411 | 2.1× smaller | Compare |
| Juniata County | 391.4 | 2.2× smaller | Compare |
How big is Huntingdon County compared with U.S. states?
Huntingdon 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. Pennsylvania’s county land could hold about 51 areas the size of Huntingdon County.
Another way to picture it: the same land area would fill a square about 29.6 miles (47.6 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 Huntingdon County?
Huntingdon County has more land than 2,293 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 Huntingdon County at #1,010 nationally by total area, 81 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 1.6%, compared with a national county-equivalent median of 1.2% — 0.5 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 Huntingdon County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #928 | Cooke County, Texas | 874.8 | Compare |
| #929 | Huntingdon County, Pennsylvania | 874.6 | This county |
| #930 | Henderson County, Texas | 873.8 | 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 40.422311, -77.968595. 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: 2,265,182,315 m²; AWATER: 37,851,957 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 Huntingdon County?
Huntingdon County, Pennsylvania has 874.6 square miles (2,265.2 km²) of land and 14.6 square miles of water, for a total area of 889.2 square miles. It ranks #929 of 3,222 U.S. county equivalents by land area.
Is Huntingdon County the largest county in Pennsylvania?
No. Huntingdon County ranks #17 of 67 in Pennsylvania by land area. The largest is Lycoming County, with 1,228.9 square miles of land.
What counties border Huntingdon County?
Huntingdon County shares a land border with Blair County, Mifflin County, Centre County, Fulton County, Franklin County, Bedford County, and Juniata County.
What is the population of Huntingdon County?
The Census Bureau estimates Huntingdon County had 43,001 residents on July 1, 2025, ranking #1,152 of 3,222 county equivalents. That is 49 people per square mile of land.
What is the county seat of Huntingdon County?
The county seat of Huntingdon County is Huntingdon.
What cities and towns are in Huntingdon County?
Huntingdon County has 48 county subdivisions (cities, towns and townships). The most populous five are Huntingdon borough, Smithfield township, Shirley township, Mount Union borough, and Walker township.
Is Huntingdon County part of a metropolitan area?
Yes. It is a central county of the Huntingdon, PA Micropolitan Statistical Area.
How many ZIP codes are in Huntingdon County?
34 ZIP Code Tabulation Areas have land in Huntingdon County, and 28 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Huntingdon 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 Huntingdon County?
The land measurement converts to approximately 559,739 acres. Including water, total area is approximately 569,092 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.