Lancaster County, Pennsylvania

County seat: Lancaster · Population 563,159 (2025) · 944 sq mi

Lancaster County is the 6th most populous of Pennsylvania's 67 counties, with 563,159 people (2025 estimate). Its county seat is Lancaster. It is part of the District 8 region, one of the 11 PennDOT engineering districts. The map shows its 19 cities and towns and the 7 neighboring counties.

Map of Lancaster County, Pennsylvania with cities, towns and the county boundary
Lancaster County, Pennsylvania with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 175 KBPNG image 127 KBPennsylvania county map

Lancaster County facts

County seat
Lancaster
Population (2025 estimate)
563,159 +1.8% since 2020
Land area
944 sq mi 12th largest of 67
Water area
40 sq mi
Population density
597 per sq mi
Established
1729
Same name
One of 4 Lancaster Counties in the US
Named after
Lancaster county town of Lancashire, England
Largest city
Lancaster 58,366
Median household income
$86,959
Cities and towns
19 plus 47 CDPs
ZIP codes
61
Time zone
Eastern
FIPS code
42071

Cities and towns in Lancaster County

Lancaster County has 19 incorporated cities, towns and villages. Populations count the people living inside Lancaster County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Lancaster (county seat)City58,366
EphrataBorough13,647
ElizabethtownBorough11,961
ColumbiaBorough10,314
LititzBorough9,689
MillersvilleBorough9,280
Mount JoyBorough8,319
New HollandBorough5,754
ManheimBorough4,977
East PetersburgBorough4,702
AkronBorough4,093
DenverBorough3,747
StrasburgBorough3,085
MountvilleBorough2,977
MariettaBorough2,931
QuarryvilleBorough2,871
AdamstownBorough1,932Berks County
Terre HillBorough1,282
ChristianaBorough1,096

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Willow Street9,647
Leola7,448
Maytown4,443
Brownstown3,650
Reamstown3,468
Salunga3,355
Bowmansville2,959
Rothsville2,934
Rheems2,426
Landisville2,168
Reinholds2,168
Lampeter2,140
Gap2,128
Swartzville1,799
Intercourse1,588
Bainbridge1,376
Clay1,362
Blue Ball1,284
Brickerville1,257
Penryn1,257
Conestoga1,243
Paradise1,091
East Earl1,050
Schoeneck1,018
Fivepointville904
Farmersville870
Stevens799
Georgetown784
Churchtown763
Hopeland760
Rohrerstown706
Washington Boro663
Soudersburg592
Wakefield573
Cambridge540Chester County
Bird-in-Hand537
Witmer527
Falmouth521
Little Britain439
Smoketown342
Refton321
Gordonville310
Kirkwood307
Goodville205
Ronks202
Hinkletown181
Morgantown0Berks County

ZIP codes in Lancaster County

61 ZIP codes reach into Lancaster County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Lancaster County, 2020–2025

Lancaster County grew by 10,171 people (+1.8%) between April 2020 and July 2025: 6,307 more births than deaths and a net gain of 3,724 people from migration.

Year (July 1)Population
2020552,819
2021556,420
2022557,092
2023560,144
2024562,062
2025563,159

Neighboring counties

Printable Lancaster County map

The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.

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Sources

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