Juniata County, Pennsylvania

Juniata County: County in Pennsylvania, United States


Juniata County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 24,636 and a population density of 24 people per km². After 10 years in 2020 county had an estimated population of 24,619 inhabitants. Its county seat is Mifflintown. The county was created 191 years ago in 1831.

Quick Facts about Juniata County

Population : 24,619 (2020)
Country : United States of America
State : Pennsylvania (United States)
Area : 1019 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Juniata River
Altitude : 856 feet / 261 meters
Capital : Mifflintown
Establishment : March 03, 1831
Time Zone : America/New_York
Local time : 10:38:22 (4th February 2023)
Density : 24 Pop. per km² as of 2020
Population growth : -0.07% (2010-2020)
Juniata County locator map
Location of Juniata County on Pennsylvania map.
Juniata County Courthouse image
Juniata County Courthouse
Juniata County Courthouse image


Juniata County is located at 40°31'52"N 77°24'8"W (40.5310600, -77.4021600). It has 6 neighbors: Dauphin County, Franklin County, Huntingdon County, Mifflin County, Northumberland County and Snyder County.

Juniata County map

The largest city of Juniata County is Centre with a population of 2,527. Other cities include, Mifflintown population 903, Port Royal population 900 and Mifflin population 606. See all Juniata County cities & populated places.

Juniata County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Juniata County.

City Name Population Title
Centre 2,527 County in Pennsylvania, United States
Tuscarora 1,202 Township in southwestern Juniata County, Pennsylvania
Mifflintown 903 Borough in central Juniata County, Pennsylvania
Port Royal 900 Borough in central Juniata County, Pennsylvania
Spruce Hill 858 Township in western Juniata County, Pennsylvania
Mifflin 606 Borough in central Juniata County, Pennsylvania

Juniata County has 6 neighbours.

  • Mifflintown


According to census records, the population of Juniata County decreased by 0.07% in 10 years.

Year Population % Change Method
2010 24,636 - census
2011 24,713 0.31% estimation process
2012 24,613 -0.41% estimation process
2013 24,480 -0.54% estimation process
2014 24,486 0.02% estimation process
2015 24,445 -0.17% estimation process
2016 24,559 0.46% estimation process
2017 24,635 0.31% estimation process
2018 24,718 0.34% estimation process
2019 24,763 0.18% estimation process
2020 24,619 -0.58% estimation process

Comitatul Juniata, Comte de Juniata, Comté de Juniata, Condado de Juniata, Condado han Juniata, Contae Juniata, Contea di Juniata, Dzhuniata, Hrabstwo Juniata, Juniata, Juniata Comitatus, Juniata Kun, Juniata Kūn, Juniata konderria, Juniata megye, Khuanita, Konteth Juniata, Okrug DZunijata, Quan Juniata, Quận Juniata, Yuniata srjan, juniata jun, juniyata ka'unti, shhrstan jwnyata pnsylwanya, zhu ni ya ta xian, Джуниата, Округ Џунијата, Хуаніта, Յունիատա շրջան, جونیاتا کاؤنٹی، پنسلوانیا, جونیاٹا کاؤنٹی, شهرستان جونیاتا، پنسیلوانیا, مقاطعة جونياتا, জুনিয়াটা কাউন্টি, ジュニアータ郡, 朱尼亞塔縣

People born in Juniata County (7)

People born in Juniata County, including parapsychologist Joseph Banks Rhine, businessman and politician John J. Patterson, politician H. Clay Evans, .


  • Samuel Robison (United States admiral) he was born in 10/05/1867
  • Horace Kephart (American writer) he was born in 08/09/1862
  • James B. Thompson (Medal of Honor recipient) he was born in 01/01/1843
  • John Hamilton (Farm specialist) he was born in 19/02/1843

Pennsylvania Other Counties (more counties)

County Name Population Title
Philadelphia County 1,578,487 County in Pennsylvania, United States
Philadelphia 1,578,487 Largest city in Pennsylvania, United States
Allegheny County 1,211,358 County in the southwestern part of the U.
Montgomery County 833,869 County in Pennsylvania, United States
Bucks County 627,987 County in Pennsylvania, United States
Delaware County 566,753 County in Pennsylvania, United States
Lancaster County 546,192 County in Pennsylvania, United States
Chester County 526,759 County in Pennsylvania, United States
York County 450,448 County in Maine, United States
Berks County 421,017 County in Pennsylvania, United States
Croydon 385,346 London borough in South London
Lehigh County 370,802 County in Pennsylvania, United States of America
Westmoreland County 347,087 County in Pennsylvania, United States
Luzerne County 316,982 County in Pennsylvania, United States
Northampton County 305,892 County in Pennsylvania, United States
Pittsburgh 299,226 County seat in Allegheny County, Pennsylvania, United States