Jefferson County, Pennsylvania
Jefferson County: county in Pennsylvania, United States.
About
Jefferson County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 45,200 and a population density of 27 people per km². After 10 years in 2020 county had an estimated population of 43,108 inhabitants. Its county seat is Brookville. The county was created 195 years ago in 1830.
County Snapshot
Jefferson County at a glance
Jefferson County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
4
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Pennsylvania counties
67
Open related pagesLargest city
PunxsutawneyPopulation 5,665
Top linked places
Quick Facts about Jefferson County
| Population | 43,108 (2020) |
| Country | United States of America |
| State | Pennsylvania (United States) |
| Different from | Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson Parish, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County |
| Area | 1701 km2 |
| Water as percent of area | 0.7% |
| Land as percent of area | 99.3% |
| Latitude & Longitude | 41.1282,-78.9994 |
| Named for | Thomas Jefferson |
| Capital | Brookville |
| Establishment | October 01, 1830 |
| Time Zone | America/New_York |
| Local time | 05:58:36 (23rd September 2026) |
| Density | 25 Pop. per km² as of 2020 |
| Population growth | -4.63% (2010-2020) |
| Weather | 60℉ Chance Rain Showers 7-days weather |
Geography
Jefferson County is located at 41°7'41"N 78°59'58"W (41.1281500, -78.9994200). It has 6 neighbors: Armstrong County, Clarion County, Clearfield County, Elk County, Forest County and Indiana County.
Jefferson County map
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The largest city of Jefferson County is Punxsutawney with a population of 5,665. Other cities include, Brookville population 3,762, Reynoldsville population 2,625 and Brockway population 2,020. See all Jefferson County cities & populated places.
Jefferson County Populated Places
Cities, towns, neighborhoods & other populated places in Jefferson County.
| City Name | Population | Title |
|---|---|---|
| Punxsutawney | 5,665 | Borough in Pennsylvania, United States of America |
| Brookville | 3,762 | Borough of Pennsylvania |
| Reynoldsville | 2,625 | Borough of Pennsylvania |
| Brockway | 2,020 | Borough of Pennsylvania |
Weather
A chance of rain showers. Mostly cloudy, with a high near 60. East wind 8 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
7-Day ForecastOfficial website of Jefferson County
Official Website- Brookville
Demographics
According to census records, the population of Jefferson County decreased by 4.63% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 45,200 | - | census |
| 2011 | 44,921 | -0.62% | estimation process |
| 2012 | 44,806 | -0.26% | estimation process |
| 2013 | 44,880 | 0.17% | estimation process |
| 2014 | 44,572 | -0.69% | estimation process |
| 2015 | 44,344 | -0.51% | estimation process |
| 2016 | 44,031 | -0.71% | estimation process |
| 2017 | 43,818 | -0.48% | estimation process |
| 2018 | 43,614 | -0.47% | estimation process |
| 2019 | 43,425 | -0.43% | estimation process |
| 2020 | 43,108 | -0.73% | estimation process |
People born in Jefferson County (3)
People born in Jefferson County, including politician John T. Morrison, economist Herbert J. Cummings, politician Solomon Taylor North, .
More notable people
Other places with the same name (24)
- Jefferson County, Kentucky county in Alabama, United States. with a population of 767,452 people.
- Jefferson County, Alabama county in Alabama, United States. with a population of 655,342 people.
- Jefferson County, Colorado county in Colorado, United States. with a population of 583,283 people.
- Jefferson County, Texas county in Texas, United States. with a population of 250,127 people.
- Jefferson County, Missouri county in Missouri, United States. with a population of 226,543 people.
- Jefferson County, New York county in New York, United States. with a population of 108,095 people.
- Jefferson County, Wisconsin county in Wisconsin, United States. with a population of 85,038 people.
- Jefferson County, Arkansas county in Arkansas, United States. with a population of 65,377 people.
- Jefferson County, Ohio county in Ohio, United States. with a population of 64,939 people.
- Jefferson County, West Virginia county in West Virginia, United States. with a population of 57,486 people.
- Jefferson County, Tennessee county in Tennessee, United States. with a population of 55,307 people.
- Jefferson County, Illinois county in Illinois, United States. with a population of 37,235 people.
- Jefferson County, Washington county in the state of Washington, United States. with a population of 32,700 people.
- Jefferson County, Indiana county in Indiana, United States. with a population of 32,110 people.
- Jefferson County, Idaho county in Idaho, United States. with a population of 29,871 people.
- Jefferson County, Oregon county in Oregon, United States. with a population of 24,856 people.
- Jefferson County, Kansas county in Kansas, United States. with a population of 19,032 people.
- Jefferson County, Iowa county in Iowa, United States. with a population of 18,347 people.
- Jefferson County, Georgia county in Georgia, United States. with a population of 15,267 people.
- Jefferson County, Florida county in Florida, United States of America. with a population of 14,543 people.
- Jefferson County, Montana county in Montana, United States. with a population of 12,360 people.
- Jefferson County, Nebraska county in Nebraska, United States. with a population of 7,099 people.
- Jefferson County, Mississippi county in Mississippi, United States. with a population of 6,997 people.
- Jefferson County, Oklahoma county in Oklahoma, United States. with a population of 5,949 people.
Pennsylvania Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Philadelphia County | 1,578,487 | County in Pennsylvania, United States |
| Philadelphia | 1,578,487 | The sixth most populous city in the United States and the center of the Philadelphia metropolitan area. |
| 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 |
| 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 | The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. |
| Dauphin County | 279,874 | County in Pennsylvania, United States |