Studies and Publications Page ContentAdditional studies and information for Adams County. Publications/ Guidance 2020 Annual Report 2019 Annual Report Population Data and Projections (last revised December 2019) Population By Decade Permitted Residential Units A Home in the Country? Life in Adams County, PA Adams County Profile Riparian Forest Buffer Protection Walking or Running Routes Around Adams County Studies Impact of the Equine Industry on the Economy of Adams County (2021) Economic Impact of the Equine Industry Infographic Economic Impact Model for the Historic South Mountain Fruitbelt in Adams County Pennsylvania Financing Fire Services for Adams County (2012) Regional Transit Coordination Study (2011) South Central Pennsylvania Regional Action Plan (2009) Feasibility Study for Gettysburg Hanover Trail (2007) South Central Pennsylvania Regional Goods Movement Study (2006) Natural Areas Inventory (1996, 2002) North Gettysburg Trail Feasibility Study (2000) Special Purpose Study: The Lincoln Highway in Adams County, Pennsylvania (2000) Gettysburg Borough Truck Survey Analysis (1991)