Gillsville is a city in Banks and Hall counties in the U.S. state of Georgia.
 The population was 235 at the 2010 census.
Buford is a city in Gwinnett and Hall counties in the U.S. state of Georgia.
 As of the 2010 census, the city had a population of 12,225.
 Most of the city is in Gwinnett County, which is part of the Atlanta-Sandy Springs-Marietta Metropolitan Statistical Area.
 The portions of the city in Hall County are not part of Atlanta's metropolitan statistical area, but are part of Atlanta's larger Combined Statistical Area, which includes Hall County.
Perry Hall Park or Perry Hall Playing Fields is a park in Perry Barr, Birmingham, England, at grid reference [ SP059918] .
 It was in Staffordshire until 1928.
Perry Hall is an unincorporated community and census-designated place in Baltimore County, Maryland, United States.
 The population was 28,474 at the 2010 census.
Baltimore County is a county in the U.S. state of Maryland.
 It is Maryland's third-most populous county.
 Baltimore County is part of the Baltimore metropolitan area and Baltimore-Washington metropolitan area (a combined statistical area).
 The county is also part of the Northeast Megalopolis, which stretches from Boston to Washington, D.C. It hosts a diversified economy, with particular emphasis on government, education and health care.
Rest Haven is a town primarily in northern Gwinnett and partly in southern Hall counties in the U.S. state of Georgia.
 As of the 2010 census, it had a total population of 62.
Joppa Road is a county highway in the U.S. state of Maryland.
 The highway extends 14.3 mi from Maryland Route 25 (MD 25) in Brooklandville east to MD 7 near White Marsh.
 Joppa Road has three main segments separated by very short breaks on its course through central and eastern Baltimore County.
 The central segment is a multi-lane highway from MD 45 and MD 146 in the county seat of Towson to U.S. Route 1 (US 1) in Perry Hall.
 This highway is mostly a commercial strip and parallels Interstate 695 (I-695) through Towson, Parkville, and Carney.
 The western and eastern segments of Joppa Road are two-lane roads through mainly residential areas.
 The western segment connects Brooklandville and Towson via Riderwood.
 The eastern segment serves parts of Perry Hall and White Marsh.
Shelton is a village in Buffalo and Hall counties, Nebraska, in the United States.
 It is part of the Kearney, Nebraska Micropolitan Statistical Area.
 The population was 1,059 at the 2010 census.
 It is located west of Grand Island along both the Union Pacific Railroad and U.S. Route 30.
 Nebraska Link 10-D connects Shelton with Interstate 80.
Perry Hall High School is a public high school established in 1963 and is the largest public high school in Baltimore County, Maryland, enrolling about 2,300 students a year.
 Located in the northeastern Baltimore suburb of Perry Hall and serving the surrounding communities, such as Kingsville and Glen Arm, it is part of the Baltimore County Public Schools system.
 Area middle schools that feed into Perry Hall High are Perry Hall Middle School and Pine Grove Middle School.
The Perry Hall Mansion is a historic structure located in the area to which it gave its name, Perry Hall, Baltimore County, Maryland, United States.
 Erected on a hill above the Gunpowder River Valley, the mansion is an excellent example of late colonial and early 19th century life in eastern Baltimore County.

Question: What is Perry Hall counties ranking in terms of population?
Answer: third-most