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Blair County: Keystone's Crossroads

A comprehensive examination of Blair County, Pennsylvania, exploring its unique geographical position, demographic composition, governmental structure, and community fabric.

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County Overview

Foundational Details

Blair County, established on February 26, 1846, is situated within the Commonwealth of Pennsylvania. It was formed from portions of Huntingdon and Bedford counties. The county seat is located in Hollidaysburg, while its largest municipality by population is Altoona. As per the 2020 United States Census, the county's population stood at 122,822 residents.

Regional Context

The county is geographically positioned within the southwestern region of Pennsylvania. It forms the Altoona, PA Metropolitan Statistical Area and is also part of the broader Altoona-Huntingdon, PA Combined Statistical Area. Furthermore, Blair County is recognized as part of \"Greater Appalachia\" within Colin Woodard's regional cultural framework.

Administrative Identity

Blair County operates under the framework of U.S. counties, serving as a fundamental administrative division within Pennsylvania. Its official web presence is maintained at www.blairco.org, providing access to governmental information and services.

Geographical Landscape

Area and Water Resources

The total area of Blair County encompasses approximately 527 square miles (1,360 km2). Of this total, 526 square miles (1,360 km2) consist of landmass, with a minimal 1.3 square miles (3.4 km2), or 0.2%, designated as water surface area.

Notable Features

The county's topography is characterized by significant geological formations, including Brush Mountain, Tussey Mountain, Logan Valley, and Morrison Cove. These features shape the region's landscape and historical development.

Adjacent Territories

Blair County shares borders with several neighboring counties: Centre County to the north, Huntingdon County to the east, Bedford County to the south, and Cambria County to the west. The northwestern boundary also touches Clearfield County.

Protected Areas

Within its boundaries, Blair County hosts a portion of the Allegheny Portage Railroad National Historic Site, preserving a significant piece of American industrial history.

Climate Characteristics

Classification and Data

Blair County experiences a warm-summer humid continental climate, classified under the Köppen climate classification as Dfb. The following table provides detailed climate data for Altoona, representative of the county's conditions.

Climate Data for Altoona, PA
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record High °F (°C) 78
(26)
76
(24)
85
(29)
91
(33)
94
(34)
97
(36)
103
(39)
102
(39)
96
(36)
90
(32)
82
(28)
12
(−11)
103
(39)
Mean Daily Max °F (°C) 31.9
(−0.1)
34.6
(1.4)
44.7
(7.1)
57.8
(14.3)
67.6
(19.8)
77.1
(25.1)
81.4
(27.4)
80.3
(26.8)
72.3
(22.4)
61.3
(16.3)
49.4
(9.7)
37.1
(2.8)
57.9
(14.4)
Mean Daily Min °F (°C) 15.6
(−9.1)
17.7
(−7.9)
25.5
(−3.6)
36.6
(2.6)
46.8
(8.2)
54.9
(12.7)
60.2
(15.7)
58.4
(14.7)
51.3
(10.7)
41.4
(5.2)
32.1
(0.1)
21.9
(−5.6)
38.5
(3.6)
Record Low °F (°C) −29
(−34)
−25
(−32)
−7
(−22)
8
(−13)
20
(−7)
32
(0)
38
(3)
34
(1)
26
(−3)
15
(−9)
0
(−18)
−13
(−25)
−29
(−34)
Average Precipitation inches (mm) 2.64
(67)
2.43
(62)
3.48
(88)
3.63
(92)
4.30
(109)
4.08
(104)
4.14
(105)
3.50
(89)
3.85
(98)
3.43
(87)
3.71
(94)
3.11
(79)
42.64
(1,083)
Average Snowfall inches (cm) 11.2
(28)
14.3
(36)
16.9
(43)
2.5
(6.4)
0.1
(0.25)
0
(0)
0
(0)
0
(0)
0
(0)
0.2
(0.51)
3.3
(8.4)
12.1
(31)
60.6
(154)
Source: Pennsylvania State Climatologist

Demographic Profile

Population Trends

The U.S. Census Bureau data indicates a population of 122,822 in 2020, reflecting a decrease from previous decades. The population density is approximately 234 individuals per square mile (90/km2). The historical population table illustrates demographic shifts over time.

Historical Population Trends
CensusPop.Note
185021,777
186027,82927.8%
187038,05136.7%
188052,74038.6%
189070,86634.4%
190085,09920.1%
1910108,85827.9%
1920128,33417.9%
1930139,8409.0%
1940140,3580.4%
1950139,519−0.6%
1960137,270−1.6%
1970135,356−1.4%
1980136,6210.9%
1990130,542−4.4%
2000129,144−1.1%
2010127,089−1.6%
2020122,822−3.4%

Composition (2020)

The racial and ethnic composition of Blair County, based on the 2020 Census, is detailed below. The majority of residents identify as White, with smaller percentages identifying with other racial groups or reporting multiple races.

Blair County Racial Composition (2020)
Race Number Percentage
White (Non-Hispanic) 113,016 92.0%
Black or African American (Non-Hispanic) 2,463 2.0%
Native American (Non-Hispanic) 134 0.1%
Asian (Non-Hispanic) 868 0.7%
Pacific Islander (Non-Hispanic) 12 0.01%
Other/Mixed Race (Non-Hispanic) 4,621 3.76%
Hispanic or Latino 1,708 1.4%

Societal Structure

In 2020, the county had 55,061 housing units. The average household size was 2.43 individuals, with an average family size of 2.96. Approximately 21.1% of the population was under 18, while 17.7% were aged 65 or older, indicating a median age of 40 years.

Governance and Administration

County Structure

Blair County is governed by a board of three county commissioners: David Kessling (Chair, Republican), Laura Burke (Vice-Chair, Democrat), and Amy Webster (Secretary, Republican). Numerous other county offices, including Clerk of Courts, Controller, Coroner, District Attorney, Register of Wills, Sheriff, and Treasurer, are predominantly held by Republican officials.

Law Enforcement

A comprehensive range of police agencies serves the county, including municipal police departments (Altoona, Bellwood, Duncansville, Hollidaysburg, Martinsburg, Roaring Spring, Tyrone, Williamsburg), township police, county sheriff and probation offices, state police, federal agencies like Amtrak Police and the U.S. Postal Inspection Service, and specialized departments such as the Pennsylvania Game Commission and Fish and Boat Commission.

State and Federal Representation

State legislative representation includes Senator Judy Ward (Republican) for the 30th Senatorial District and Representatives Louis C. Schmitt Jr. and Scott Barger (both Republican) for the 79th and 80th Representative Districts, respectively. Federally, the county is represented by Representative John Joyce (Republican) in the U.S. House (13th Congressional District) and Senators John Fetterman (Democrat) and David McCormick (Republican) in the U.S. Senate.

Political Landscape

Electoral Trends

Blair County has historically demonstrated a strong preference for the Republican Party, particularly since the party's inception. While Democratic presidential candidates Franklin D. Roosevelt (1936) and Lyndon B. Johnson (1964) secured victories, their margins were modest. The county's voting patterns, as reflected in presidential election results dating back to 1880, consistently show a Republican majority, with notable third-party performances in specific elections.

The table below summarizes presidential election results in Blair County from 1880 to the present.

U.S. Presidential Election Results for Blair County, PA
Year Republican Democratic Third party(ies)
No. % No. % No. %
2024 46,352 71.16% 18,127 27.83% 661 1.01%
2020 45,306 71.07% 17,636 27.67% 806 1.26%
2016 39,135 70.72% 13,958 25.22% 2,248 4.06%
2012 33,319 66.16% 16,276 32.32% 770 1.53%
2008 32,708 61.37% 19,813 37.17% 777 1.46%
2004 35,751 65.99% 18,105 33.42% 322 0.59%
2000 28,376 62.86% 15,774 34.94% 990 2.19%
1996 21,282 52.30% 15,036 36.95% 4,373 10.75%
1992 21,447 47.92% 14,857 33.19% 8,454 18.89%
1988 25,623 61.50% 15,588 37.42% 451 1.08%
1984 30,104 65.52% 15,651 34.06% 190 0.41%
1980 28,931 62.41% 15,014 32.39% 2,414 5.21%
1976 28,290 59.73% 18,397 38.84% 679 1.43%
1972 33,126 75.10% 10,023 22.72% 961 2.18%
1968 28,780 59.59% 15,803 32.72% 3,713 7.69%
1964 24,301 48.09% 26,157 51.76% 73 0.14%
1960 35,297 64.40% 19,445 35.48% 67 0.12%
1956 33,623 65.68% 17,503 34.19% 65 0.13%
1952 32,113 65.44% 16,851 34.34% 106 0.22%
1948 22,382 60.68% 14,050 38.09% 454 1.23%
1944 24,925 57.82% 18,003 41.76% 178 0.41%
1940 26,639 55.11% 21,573 44.63% 125 0.26%
1936 24,711 46.98% 27,038 51.41% 848 1.61%
1932 19,553 56.95% 13,709 39.93% 1,073 3.13%
1928 34,356 73.53% 12,104 25.90% 266 0.57%
1924 20,313 65.93% 4,244 13.78% 6,251 20.29%
1920 15,035 56.97% 5,668 21.48% 5,689 21.56%
1916 9,893 55.16% 7,002 39.04% 1,040 5.80%
1912 3,138 18.16% 4,108 23.78% 10,030 58.06%
1908 10,583 63.01% 4,981 29.66% 1,232 7.34%
1904 12,482 73.46% 3,675 21.63% 835 4.91%
1900 9,749 65.81% 4,528 30.57% 537 3.62%
1896 10,382 65.50% 4,840 30.53% 629 3.97%
1892 7,407 56.75% 5,265 40.34% 380 2.91%
1888 7,311 56.95% 5,175 40.31% 351 2.73%
1884 6,396 55.96% 4,649 40.67% 385 3.37%
1880 5,808 53.95% 4,728 43.92% 230 2.14%

Voter Registration

As of April 23, 2025, Blair County has 81,144 registered voters. The registration distribution indicates a significant Republican majority (62.52%), followed by Democrats (24.28%), Independents (9.79%), and other parties (3.41%).

Voter Registration Distribution
  1. Republican (62.5%)
  2. Democratic (24.3%)
  3. Independent (9.8%)
  4. Other Parties (3.4%)

Educational Institutions

Higher Education

Blair County is served by several institutions of higher learning, including Penn State Altoona, Pennsylvania Highlands Community College, YTI Career Institute, and the South Hills School of Business and Technology.

K-12 Education

The county's public education system comprises multiple school districts, such as Altoona Area, Bellwood-Antis, Claysburg-Kimmel, Hollidaysburg Area, Penn Cambria, Spring Cove, Tyrone Area, and Williamsburg Community. Additionally, charter schools like Agora Cyber Charter School and Central Pennsylvania Digital Learning Foundation Charter School operate within the county, alongside various private institutions and the Greater Altoona Career and Technology Center.

Library System

A unified library system serves the county, comprising nine branches. This network facilitates resource sharing, allowing patrons to access materials from any branch within the system, fostering broad community access to information and literature.

Municipalities and Communities

Incorporated Places

Blair County includes one city, Altoona, and nine boroughs: Bellwood, Duncansville, Hollidaysburg (county seat), Martinsburg, Newry, Roaring Spring, Tunnelhill (partially in Cambria County), Tyrone, and Williamsburg.

Townships and CDPs

Fifteen townships structure the county's unincorporated areas: Allegheny, Antis, Blair, Catharine, Frankstown, Freedom, Greenfield, Huston, Juniata, Logan, North Woodbury, Snyder, Taylor, Tyrone, and Woodbury. Additionally, numerous Census-Designated Places (CDPs) represent significant unincorporated communities.

Population Rankings

Altoona stands as the most populous municipality with 42,989 residents according to the 2020 Census. Hollidaysburg, the county seat, follows with 5,632 residents. The table below ranks the primary municipalities by population.

Rank Municipality Population (2020) Type Incorporated
1 Altoona 42,989 City 1854 (borough) 1868 (city)
2 † Hollidaysburg 5,632 Borough 1836
3 Tyrone 5,095 Borough 1857
4 Roaring Spring 2,399 Borough 1888
5 Martinsburg 1,858 Borough 1832
6 Bellwood 1,751 Borough 1898
7 Lakemont 1,803 CDP
8 Duncansville 1,148 Borough 1891
9 Greenwood 3,597 CDP
10 Williamsburg 1,167 Borough 1827
11 Claysburg 1,196 CDP
12 Tipton 688 CDP
† County Seat

Recreational Opportunities

State Park

Canoe Creek State Park, situated in Frankstown Township, represents the primary Pennsylvania state park within Blair County, offering natural landscapes and recreational activities for residents and visitors.

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References

References

  1.  Includes Westmoreland, Cambria, Fayette, Blair, Indiana, Somerset, Bedford, Huntingdon, Greene and Fulton Counties
A full list of references for this article are available at the Blair County, Pennsylvania Wikipedia page

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Disclaimer

Important Notice

This document was generated by an AI model and is intended for informational and educational purposes only. The content is synthesized from publicly available data, primarily Wikipedia, and may not reflect the most current information or nuances of Blair County. It is not intended as a substitute for official county resources or professional consultation.

This is not official advice. Information regarding demographics, government, or statistics should be verified with official sources. The creators assume no liability for errors, omissions, or actions taken based on the information presented herein.