Erie County GIS Maps
Erie County, New York, has 954,236 residents across 370,420 parcels and covers 1,042.7 square miles. The population grew 3.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Erie County is 36029.
Buffalo is the county's largest population center. Erie County also includes 68 zip codes, 30 public school districts and 55 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 parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Erie County Trends
- Population
- 954,236▴
- Median Home Value
- $217,400▴
- K-12 Enrollment
- 111,333▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Erie 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.
Erie County Parcels
Erie County has 370,420 mapped parcels. The median assessed value is $138,000. The median lot size is 0.52 acres. 11,134 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1954 or earlier. The records carry 303,810 distinct owner names. About 2% of parcels list an owner mailing address outside New York. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Erie County Parcel viewer here.
Erie County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 370,420 | 100% |
| Owner name | 368,903 | 99.6% |
| Owner mailing address | 363,662 | 98.2% |
| Site address | 368,957 | 99.6% |
| Land use code | 368,901 | 99.6% |
| Land use description | 22,821 | 6.2% |
| Assessed value | 368,901 | 99.6% |
| Land value | 368,901 | 99.6% |
| Improvement value | 0 | 0% |
| Acreage | 368,625 | 99.5% |
| Parcel boundary | 370,420 | 100% |
| Download all Erie County parcels. | ||
Field coverage measured across all Erie County parcel records.
Erie County Population
Erie County had 954,236 residents in 2020. That was 3.8% higher than in 2010. Erie County added 3,971 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 915 people per square mile. Some of the county's most populated postal areas include Buffalo, Hamburg and Buffalo.
Population Trend in Erie County NY
Erie County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Erie County Zip Codes
Erie County has 68 zip codes. Some of the county's most populated zip codes include Buffalo (14221), Hamburg (14075) and Buffalo (14215). Buffalo is the largest zip by population, with about 55,275 residents or 6% of the county total. Together, the three largest zips account for about 15% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Erie County NY
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 14221 | Buffalo | 55,275 | ▴ 3.2% |
| 14075 | Hamburg | 44,053 | ▴ 5% |
| 14215 | Buffalo | 42,447 | ▴ 6.1% |
| 14150 | Tonawanda | 41,161 | ▾ -1.2% |
| 14224 | Buffalo | 40,736 | ▴ 2.1% |
| Download all zip code data | |||
Erie County Zip Code populations and trends per most recent census data.
Erie County Demographics
Erie County has a median age of 40.3, which makes the county a little older than New York overall. About 20.3% of residents are under 18, while 18.8% 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 31.5% of the population, which points to a solid working-age base. About 36.9% of adults have a bachelor's degree or higher, above the statewide figure of 39.6%. 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 Erie County NY
Median Age
40.3
Under 18
20.3%
Age 65+
18.8%
Bachelor's+
36.9%
Erie County School Districts
Erie County is served by 30 public school districts with 111,333 students enrolled in 2024. The largest districts on the county map are Buffalo City, Williamsville Central and Kenmore-Tonawanda Union Free. Those three districts account for about 41% 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 Erie County NY
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Buffalo City School District | 29,425 | 26.4% | ▴ 0.8% |
| Williamsville Central School District | 9,598 | 8.6% | ▾ -0.3% |
| Kenmore-Tonawanda Union Free School District | 6,302 | 5.7% | ▴ 0.5% |
| West Seneca Central School District | 5,870 | 5.3% | ▾ -1.4% |
| Lancaster Central School District | 5,321 | 4.8% | ▴ 0.4% |
| Download all school district data | |||
Erie County school district enrollment and trends per most recent NCES reporting data.
Erie County Housing & Real Estate
Erie County has a median home value of $217,400 and a median gross rent of $1,037. About 65% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the New York median, while rents come in below the state average. In March 2026, the median listing price was $272,400 and homes spent about 49 days on the market.
Erie County Housing Mix
Erie County housing mix: owner, renter and vacant units.
Erie County Housing Trends
Erie County median home value and rent trend (last 5 years).
Businesses in Erie County, NY
Erie County has 35,983 business listings across 1,220 categories. The largest categories in Erie County business listings are Churches & Religious Organizations (674, 1.9%), Auto Repair (523, 1.5%), and Beauty Salons (472, 1.3%). The full Erie County business listings dataset includes names, categories, addresses and contact details where available. Erie County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Erie County, NY
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 674 | 1.9% |
| Auto Repair | 523 | 1.5% |
| Beauty Salons | 472 | 1.3% |
| Community & Nonprofits | 470 | 1.3% |
| Real Estate Agents | 469 | 1.3% |
| Contractors | 458 | 1.3% |
| Landmark And Historical Building | 427 | 1.2% |
| Hair Salons | 426 | 1.2% |
| Pizza Restaurants | 416 | 1.2% |
| Parks & Recreation | 416 | 1.2% |
Erie County Business Listings
| Business | Category | City |
|---|---|---|
| Al-Ross Screen Printing & Embroidery | 3D Printing Service | West Seneca |
| Meridian Medicine | Abuse And Addiction Treatment | Buffalo |
| Canisius University Bookstore | Academic Bookstore | Buffalo |
| The Lofts at Elk Terminal | Accommodation | Buffalo |
| Freed Maxick CPAs | Accountant | Buffalo |
| Akron Falls | Active Life | Akron |
| King's Acupuncture and Wellness Center | Acupuncture | East Amherst |
| Drug Rehab Buffalo | Addiction Rehabilitation Center | Buffalo |
| Adoption STAR | Adoption Services | Amherst |
| CPR Certification Buffalo | Adult Education | Buffalo |
| Download Erie County business listings | ||
Erie County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Erie County Basemaps
Erie 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 Erie County Data Package
This page shows a preview of what's included in the Erie 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 parcels, 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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Nearby Counties
Browse county data pages for the counties that border Erie County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.