Warren County, Pennsylvania
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Warren County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 38,587. Its county seat is Warren. The county was established in 1800 from parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango County until Warren was formally established in 1819.
Warren County makes up the Warren, Pennsylvania micropolitan statistical area. The county is part of the North Central Pennsylvania region of the state.
Geography
According to the U.S. Census Bureau, the county has a total area of 899 square miles (2,330 km2), of which 884 square miles (2,290 km2) is land and 14 square miles (36 km2) (1.6%) is water. Notable physical features include the Allegheny River, the Allegheny Reservoir, the Kinzua Dam, and the Allegheny National Forest.
Climate
Warren county has a warm-summer humid continental climate (Dfb) and average temperatures in the city of Warren range from 24.5 °F in January to 69.3 °F in July.
Adjacent counties
- Chautauqua County, New York (north)
- Cattaraugus County, New York (northeast)
- McKean County (east)
- Elk County (southeast)
- Forest County (south)
- Venango County (southwest)
- Crawford County (west)
- Erie County (west)
National protected area
Major highways
Recreation
There is one Pennsylvania state park in Warren County. Chapman State Park is adjacent to Allegheny National Forest and State Game Land 29 just of U.S. Route 6, near Clarendon. Warren County also contains a tract of old-growth forest called Hearts Content National Scenic Area.
Micropolitan Statistical Area
The United States Office of Management and Budget has designated Warren County as the Warren, PA Micropolitan Statistical Area (μSA). As of the 2010 United States census the micropolitan area ranked 14th most populous in the State of Pennsylvania and the 298th most populous in the United States with a population of 41,815.
Climate
| Climate data for CHANDLERS VALLEY 1SE, PA (1991-2020 normals) (Records 2004-Present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 65 (18) | 73 (23) | 80 (27) | 85 (29) | 91 (33) | 93 (34) | 98 (37) | 91 (33) | 92 (33) | 85 (29) | 76 (24) | 65 (18) | 98 (37) |
| Mean daily maximum °F (°C) | 30.7 (−0.7) | 33.5 (0.8) | 42.7 (5.9) | 56.7 (13.7) | 68.4 (20.2) | 76.9 (24.9) | 80.4 (26.9) | 78.7 (25.9) | 72.6 (22.6) | 59.6 (15.3) | 46.5 (8.1) | 35.6 (2.0) | 56.9 (13.8) |
| Daily mean °F (°C) | 22.0 (−5.6) | 22.9 (−5.1) | 31.3 (−0.4) | 43.3 (6.3) | 54.2 (12.3) | 63.0 (17.2) | 66.8 (19.3) | 65.4 (18.6) | 59.1 (15.1) | 47.8 (8.8) | 37.1 (2.8) | 27.9 (−2.3) | 45.1 (7.3) |
| Mean daily minimum °F (°C) | 13.2 (−10.4) | 12.3 (−10.9) | 19.9 (−6.7) | 29.9 (−1.2) | 40.1 (4.5) | 49.2 (9.6) | 53.2 (11.8) | 52.2 (11.2) | 45.6 (7.6) | 36.0 (2.2) | 27.6 (−2.4) | 20.2 (−6.6) | 33.3 (0.7) |
| Record low °F (°C) | −21 (−29) | −32 (−36) | −25 (−32) | 8 (−13) | 22 (−6) | 30 (−1) | 37 (3) | 38 (3) | 27 (−3) | 19 (−7) | 2 (−17) | −14 (−26) | −32 (−36) |
| Average precipitation inches (mm) | 3.73 (95) | 2.47 (63) | 3.36 (85) | 4.17 (106) | 4.39 (112) | 4.61 (117) | 5.52 (140) | 4.09 (104) | 4.22 (107) | 4.33 (110) | 3.97 (101) | 4.01 (102) | 48.87 (1,241) |
| Average snowfall inches (cm) | 31.4 (80) | 26.5 (67) | 12.7 (32) | 6.7 (17) | 0.1 (0.25) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.6 (1.5) | 9.7 (25) | 28.0 (71) | 115.7 (294) |
| Average precipitation days (≥ 0.01 in) | 21.2 | 17.3 | 15.5 | 16.3 | 14.4 | 14.2 | 13.1 | 12.6 | 11.3 | 16.5 | 15.5 | 19.4 | 187.3 |
| Average snowy days (≥ 0.1 in) | 13.4 | 11.7 | 6.3 | 2.8 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 3.9 | 10.2 | 48.8 |
| Source: NOAA |
Demographics
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1800 | 233 | — | |
| 1810 | 827 | 254.9% | |
| 1820 | 1,976 | 138.9% | |
| 1830 | 4,697 | 137.7% | |
| 1840 | 9,278 | 97.5% | |
| 1850 | 13,671 | 47.3% | |
| 1860 | 19,190 | 40.4% | |
| 1870 | 23,897 | 24.5% | |
| 1880 | 27,981 | 17.1% | |
| 1890 | 37,585 | 34.3% | |
| 1900 | 38,946 | 3.6% | |
| 1910 | 39,573 | 1.6% | |
| 1920 | 40,024 | 1.1% | |
| 1930 | 41,453 | 3.6% | |
| 1940 | 42,789 | 3.2% | |
| 1950 | 42,698 | −0.2% | |
| 1960 | 45,582 | 6.8% | |
| 1970 | 47,682 | 4.6% | |
| 1980 | 47,449 | −0.5% | |
| 1990 | 45,050 | −5.1% | |
| 2000 | 43,863 | −2.6% | |
| 2010 | 41,815 | −4.7% | |
| 2020 | 38,587 | −7.7% | |
| 2025 (est.) | 37,038 | −4.0% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2017 2010-2020 |
2020 census
As of the 2020 census, the county had a population of 38,587. The median age was 47.8 years. 19.4% of residents were under the age of 18 and 23.7% of residents were 65 years of age or older. For every 100 females there were 99.8 males, and for every 100 females age 18 and over there were 98.6 males age 18 and over.
The racial makeup of the county was 94.5% White, 0.4% Black or African American, 0.2% American Indian and Alaska Native, 0.4% Asian, <0.1% Native Hawaiian and Pacific Islander, 0.3% from some other race, and 4.2% from two or more races. Hispanic or Latino residents of any race comprised 1.1% of the population.
38.0% of residents lived in urban areas, while 62.0% lived in rural areas.
There were 16,618 households in the county, of which 23.4% had children under the age of 18 living in them. Of all households, 48.4% were married-couple households, 19.7% were households with a male householder and no spouse or partner present, and 24.3% were households with a female householder and no spouse or partner present. About 31.5% of all households were made up of individuals and 15.4% had someone living alone who was 65 years of age or older.
There were 21,587 housing units, of which 23.0% were vacant. Among occupied housing units, 75.6% were owner-occupied and 24.4% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 8.8%.
| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000 | Pop 2010 | Pop 2020 | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|
| White alone (NH) | 43,176 | 40,827 | 36,310 | 98.43% | 97.63% | 94.09% |
| Black or African American alone (NH) | 89 | 136 | 144 | 0.20% | 0.32% | 0.37% |
| Native American or Alaska Native alone (NH) | 82 | 71 | 71 | 0.18% | 0.16% | 0.18% |
| Asian alone (NH) | 116 | 156 | 154 | 0.26% | 0.37% | 0.39% |
| Pacific Islander alone (NH) | 8 | 12 | 5 | 0.01% | 0.02% | 0.01% |
| Other race alone (NH) | 23 | 4 | 57 | 0.05% | 0.00% | 0.14% |
| Mixed race or Multiracial (NH) | 218 | 304 | 1,431 | 0.49% | 0.72% | 3.70% |
| Hispanic or Latino (any race) | 151 | 305 | 415 | 0.34% | 0.72% | 1.07% |
| Total | 43,863 | 41,815 | 38,587 | 100.00% | 100.00% | 100.00% |
2000 census
As of the 2000 census, there were 43,863 people, 17,696 households, and 12,121 families residing in the county. The population density was 50 people per square mile (19 people/km2). There were 23,058 housing units at an average density of 26 per square mile (10/km2). The racial makeup of the county was 98.68% White, 0.21% Black or African American, 0.19% Native American, 0.27% Asian, 0.02% Pacific Islander, 0.12% from other races, and 0.52% from two or more races. 0.34% of the population were Hispanic or Latino of any race. 22.2% were of German, 12.4% Swedish, 11.2% American, 10.5% Irish, 8.8% English, 8.2% Italian, and 5.1% Polish ancestry.
There were 17,696 households, out of which 29.80% had children under the age of 18 living with them, 56.10% were married couples living together, 8.40% had a female householder with no husband present, and 31.50% were non-families. 27.20% of all households were made up of individuals, and 12.20% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.93.
In the county, the population was spread out, with 24.10% under the age of 18, 6.40% from 18 to 24, 27.00% from 25 to 44, 25.90% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 96.20 males. For every 100 females age 18 and over, there were 92.80 males.
Government
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2024 | 14,345 | 68.99% | 6,212 | 29.88% | 235 | 1.13% |
| 2020 | 14,237 | 68.92% | 6,066 | 29.37% | 354 | 1.71% |
| 2016 | 12,477 | 67.06% | 5,145 | 27.65% | 984 | 5.29% |
| 2012 | 10,010 | 57.86% | 6,995 | 40.44% | 294 | 1.70% |
| 2008 | 9,685 | 51.89% | 8,537 | 45.74% | 441 | 2.36% |
| 2004 | 10,999 | 57.07% | 8,044 | 41.74% | 230 | 1.19% |
| 2000 | 9,290 | 52.93% | 7,537 | 42.94% | 725 | 4.13% |
| 1996 | 7,056 | 41.34% | 7,291 | 42.72% | 2,720 | 15.94% |
| 1992 | 6,585 | 35.74% | 6,972 | 37.84% | 4,869 | 26.42% |
| 1988 | 8,991 | 56.21% | 6,790 | 42.45% | 214 | 1.34% |
| 1984 | 10,838 | 62.93% | 6,244 | 36.26% | 139 | 0.81% |
| 1980 | 9,165 | 57.37% | 5,560 | 34.81% | 1,249 | 7.82% |
| 1976 | 8,508 | 52.62% | 7,412 | 45.84% | 250 | 1.55% |
| 1972 | 10,018 | 66.05% | 4,877 | 32.16% | 272 | 1.79% |
| 1968 | 8,889 | 55.67% | 6,368 | 39.88% | 711 | 4.45% |
| 1964 | 5,965 | 35.81% | 10,598 | 63.62% | 94 | 0.56% |
| 1960 | 11,611 | 63.81% | 6,525 | 35.86% | 59 | 0.32% |
| 1956 | 12,145 | 72.94% | 4,463 | 26.80% | 43 | 0.26% |
| 1952 | 11,555 | 71.55% | 4,442 | 27.50% | 153 | 0.95% |
| 1948 | 8,378 | 65.38% | 4,103 | 32.02% | 333 | 2.60% |
| 1944 | 9,276 | 66.96% | 4,440 | 32.05% | 137 | 0.99% |
| 1940 | 11,016 | 65.02% | 5,825 | 34.38% | 101 | 0.60% |
| 1936 | 9,440 | 50.30% | 8,495 | 45.27% | 832 | 4.43% |
| 1932 | 7,872 | 57.24% | 5,254 | 38.20% | 627 | 4.56% |
| 1928 | 12,077 | 80.21% | 2,835 | 18.83% | 144 | 0.96% |
| 1924 | 8,502 | 70.93% | 2,161 | 18.03% | 1,323 | 11.04% |
| 1920 | 7,791 | 65.07% | 2,180 | 18.21% | 2,003 | 16.73% |
| 1916 | 3,413 | 47.79% | 2,628 | 36.80% | 1,100 | 15.40% |
| 1912 | 1,564 | 21.55% | 1,686 | 23.23% | 4,008 | 55.22% |
| 1908 | 4,672 | 62.03% | 2,054 | 27.27% | 806 | 10.70% |
| 1904 | 4,737 | 68.57% | 1,222 | 17.69% | 949 | 13.74% |
| 1900 | 5,609 | 64.88% | 2,500 | 28.92% | 536 | 6.20% |
| 1896 | 4,846 | 58.70% | 3,048 | 36.92% | 361 | 4.37% |
| 1892 | 3,838 | 51.91% | 2,735 | 36.99% | 821 | 11.10% |
| 1888 | 4,329 | 55.76% | 2,640 | 34.00% | 795 | 10.24% |
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2024 | 13,655 | 66.07% | 6,415 | 31.04% | 597 | 2.89% |
| 2018 | 8,734 | 60.78% | 5,390 | 37.51% | 245 | 1.71% |
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2016 | 12,130 | 66.60% | 5,124 | 28.14% | 958 | 5.26% |
| 2022 | 10,175 | 63.23% | 5,420 | 33.68% | 497 | 3.09% |
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2022 | 9,704 | 60.40% | 6,032 | 37.55% | 329 | 2.05% |
| 2018 | 8,766 | 60.53% | 5,447 | 37.61% | 270 | 1.86% |
| 2014 | 6,194 | 55.51% | 4,965 | 44.49% | 0 | 0.00% |
Voter registration
As of February 21, 2022, there are 26,281 registered voters in Warren County.
- Republican (55.7%)
- Democratic (29.1%)
- Independent (9.00%)
- Third Party (6.24%)
- Democratic: 7,645 (29.09%)
- Republican: 14,629 (55.66%)
- Independent: 2,366 (9.00%)
- Third Party: 1,641 (6.24%)
State Senate
- Scott E. Hutchinson, Republican, Pennsylvania's 21st Senatorial District
- Michele Brooks, Republican, Pennsylvania's 50th Senatorial District
State House of Representatives
- Kathy Rapp, Republican, Pennsylvania's 65th Representative District
United States House of Representatives
United States Senate
Education
Public school districts
School districts include:
Charter schools
- Tidioute Community Charter School
Vocational school
- Warren County Area Vocational Technical School
Private schools
- Beaver Valley Amish School
- Calvary Chapel Christian School
- Cozy Corners Amish School
- Early Childhood Learning Center
- Forest Amish School
- HR Rouse Children's Center
- Little Ash Parochial School, Sugar Grove
- Meadow View Amish School, Sugar Grove
- Pine Ridge School
- Railroad School
- Round Hill School
- Ruth Smith Children's Home
- St Joseph School
- Stoney Run Amish School
- Warren County Christian School
per Education Names and Addresses directory which is annually developed by the Pennsylvania Department of Education, 2016
Communities
Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. The following cities, boroughs and townships are located in Warren County:
City
- Warren (county seat)
Boroughs
Townships
- Brokenstraw
- Cherry Grove
- Columbus
- Conewango
- Deerfield
- Eldred
- Elk
- Farmington
- Freehold
- Glade
- Limestone
- Mead
- Pine Grove
- Pittsfield
- Pleasant
- Sheffield
- Southwest
- Spring Creek
- Sugar Grove
- Triumph
- Watson
Census-designated places
Census-designated places are geographical areas designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law.
Unincorporated communities
Some communities are neither incorporated nor treated as census-designated places.
Ghost towns
Population ranking
The population ranking of the following table is based on the 2010 census of Warren County.
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2010 Census) |
|---|---|---|---|
| 1 | † Warren | City | 9,710 |
| 2 | North Warren | CDP | 1,934 |
| 3 | Youngsville | Borough | 1,729 |
| 4 | Russell | CDP | 1,408 |
| 5 | Sheffield | CDP | 1,132 |
| 6 | Columbus | CDP | 824 |
| 7 | Tidioute | Borough | 688 |
| 8 | Sugar Grove | Borough | 613 |
| 9 | Starbrick | CDP | 522 |
| 10 | Clarendon | Borough | 450 |
| 11 | Bear Lake | Borough | 164 |
See also
- Hickory Creek Wilderness
- National Register of Historic Places listings in Warren County, Pennsylvania
41°49′N 79°16′W/41.81°N 79.27°W/ 41.81; -79.27