adams_county,_pennsylvania | has to its southeast | carroll_county,_maryland <tsp> 11th_mississippi_infantry_monument | established | 2000 <tsp> adams_county,_pennsylvania | has to its north | cumberland_county,_pennsylvania <tsp> adams_county,_pennsylvania | has to its southwest | frederick_county,_maryland <tsp> 11th_mississippi_infantry_monument | location | adams_county,_pennsylvania <sep> adams county is a county in the commonwealth of pennsylvania as of the 2020 census, the population was 103,852 its county seat is gettysburg the county was created on january 22, 1800, from part of york county, and was named for the second president of the united states, john adams on july 1–3, 1863, a crucial battle of the american civil war was fought near gettysburg; adams county as a result is a center of civil war tourism 
the 11th mississippi infantry monument's location is adams county. pennsylvania and was established in the year 2000. adams county. pennsylvania has carroll county to its southeast and frederick county to its southwest - both of these counties are in maryland. to the north of adams county is cumberland county pennsylvania.county county pennsylvania county adams county pennsylvania