Lancaster County GIS Maps

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Lancaster County, Pennsylvania, has 552,984 residents and covers 943.9 square miles. The population grew 6.5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Lancaster County is 42071.

Lancaster is the county's largest population center. Lancaster County also includes 53 zip codes, 17 public school districts and 91 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.

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Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.

Lancaster County Trends

Population
552,984▴
Median Home Value
$279,400▴
K-12 Enrollment
64,425▾
Lancaster County in Pennsylvania

County analytics dashboards with historical trends & projections included in package downloads.

Lancaster 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.

Lancaster County Population

Lancaster County had 552,984 residents in 2020. That was 6.5% higher than in 2010. Lancaster County added 82,326 people between 2000 and 2020, which points to steady long-term growth. Lancaster is the largest city in the county, but it accounts for only about 10% of the total population. The county is fairly spread out, with about 586 people per square mile. Some of the county's most populated postal areas include Lancaster, Lancaster and Lancaster.

Population Trend in Lancaster County PA

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

Lancaster County Zip Codes

Lancaster County has 53 zip codes. Some of the county's most populated zip codes include Lancaster (17603), Lancaster (17601) and Lancaster (17602). Lancaster is the largest zip by population, with about 66,739 residents or 12% of the county total. Together, the three largest zips account for about 32% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Lancaster County PA

ZIP Area Population Trend
17603 Lancaster 66,739 ▴ 7.7%
17601 Lancaster 55,710 ▴ 11.9%
17602 Lancaster 52,665 ▴ 0.4%
17543 Lititz 45,320 ▴ 6.3%
17522 Ephrata 33,848 ▴ 4.2%
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Lancaster County Zip Code populations and trends per most recent census data.

Lancaster County Demographics

Lancaster County has a median age of 39.1, which makes the county a little younger than Pennsylvania overall. About 23.3% of residents are under 18, while 19.2% 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 30.2% of the population, which points to a solid working-age base. About 31% of adults have a bachelor's degree or higher, above the statewide figure of 34.5%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Lancaster County PA

Median Age

39.1

Under 18

23.3%

Age 65+

19.2%

Bachelor's+

31%

Lancaster County School Districts

Lancaster County is served by 17 public school districts with 64,425 students enrolled in 2024. The largest districts on the county map are Lancaster, Hempfield and Manheim Township. Those three districts account for about 35% 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 Lancaster County PA

District Enrollment Share Trend
Lancaster School District 9,901 15.4% ▾ -0.6%
Hempfield School District 6,884 10.7% ▾ -1.1%
Manheim Township School District 5,992 9.3% ▾ 0%
Penn Manor School District 5,431 8.4% ▾ -1.4%
Ephrata Area School District 3,904 6.1% ▾ -1.7%
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Lancaster County school district enrollment and trends per most recent NCES reporting data.

Lancaster County Housing & Real Estate

Lancaster County has a median home value of $279,400 and a median gross rent of $1,289. About 70% 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 above the state average. In March 2026, the median listing price was $420,725 and homes spent about 31 days on the market.

Lancaster County Housing Mix

Lancaster County housing mix: owner, renter and vacant units.

Lancaster County Housing Trends

Lancaster County median home value and rent trend (last 5 years).

Businesses in Lancaster County, PA

Lancaster County has 22,566 business listings across 1,074 categories. The largest categories in Lancaster County business listings are Churches & Religious Organizations (703, 3.1%), Contractors (461, 2.0%), and Auto Repair (420, 1.9%). The full Lancaster County business listings dataset includes names, categories, addresses and contact details where available. Lancaster County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Lancaster County, PA

Category Businesses Share
Churches & Religious Organizations 703 3.1%
Contractors 461 2.0%
Auto Repair 420 1.9%
Real Estate Agents 365 1.6%
ATMs 301 1.3%
Community & Nonprofits 264 1.2%
Parks & Recreation 258 1.1%
Professional Services 244 1.1%
Banks & Credit Unions 233 1.0%
Beauty Salons 233 1.0%

Lancaster County Business Listings

Business Category City
M & H T-Shirts & New Level Promotion 3D Printing Service Leola
Blueprints For Addiction Recovery Abuse And Addiction Treatment Lancaster
Millers Crossing Accommodation Millersville
Smoker and Company Accountant Leola
The Soccer Handbook Active Life Lancaster
Han Shi Acupuncture Acupuncture Lancaster
Blueprints For Addiction Recovery Addiction Rehabilitation Center Elizabethtown
Families United Network - Mount Joy Adoption Services Mount Joy
Adult Enrichment Adult Education Lancaster
Romeo and Juliet's Adult Entertainment Lancaster
Download Lancaster County business listings

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

Lancaster County Basemaps

Lancaster 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.

Get the Full Lancaster County Data Package

This page shows a preview of what's included in the Lancaster County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

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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.

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