Adams County GIS Maps

Adams County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Adams County Population

Adams County had 103,852 residents in 2020. That was 2.4% higher than in 2010. Adams County added 12,560 people between 2000 and 2020, which points to steady long-term growth. Gettysburg is the largest city in the county, but it accounts for only about 7% of the total population. The county is fairly spread out, with about 200 people per square mile. Some of the county's most populated postal areas include Gettysburg, New Oxford and Littlestown.

Population Trend in Adams County PA

Adams County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Adams County Zip Codes

Adams County has 14 zip codes. Some of the county's most populated zip codes include Gettysburg (17325), New Oxford (17350) and Littlestown (17340). Gettysburg is the largest zip by population, with about 27,879 residents or 27% of the county total. Together, the three largest zips account for about 51% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Adams County PA

Adams County Zip Code populations and trends per most recent census data.

Adams County Demographics

Adams County has a median age of 43.8, which makes the county a little older than Pennsylvania overall. About 19.7% of residents are under 18, while 21.3% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 27.2% of the population, which points to a solid working-age base. About 24.8% of adults have a bachelor's degree or higher, above the statewide figure of 34.5%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Adams County PA

Adams County School Districts

Adams County is served by 6 public school districts with 12,294 students enrolled in 2024. The largest districts on the county map are Conewago Valley, Gettysburg Area and Bermudian Springs. Those three districts account for about 66% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Adams County PA

Adams County school district enrollment and trends per most recent NCES reporting data.

Adams County Housing & Real Estate

Adams County has a median home value of $256,100 and a median gross rent of $1,084. About 79% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Pennsylvania median, while rents come in below the state average. In March 2026, the median listing price was $421,225 and homes spent about 50 days on the market.

Businesses in Adams County, PA

Adams County has 4,189 business listings across 635 categories. The largest categories in Adams County business listings are Churches & Religious Organizations (130, 3.1%), Auto Repair (95, 2.3%), and Landmark And Historical Building (84, 2.0%). The full Adams County business listings dataset includes names, categories, addresses and contact details where available. Adams County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Adams County, PA

Adams County Business Listings

Adams County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Adams County Basemaps

Adams County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Pennsylvania — explore the full structure before you buy.