Allegany County GIS Maps
Allegany County, New York, has 46,456 residents across 34,300 parcels and covers 1,029.4 square miles. The population declined 5.1% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Allegany County is 36003.
Wellsville is the county's largest population center. Allegany County also includes 28 zip codes, 17 public school districts and 52 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.
Allegany County Trends
- Population
- 46,456▾
- Median Home Value
- $97,900▴
- K-12 Enrollment
- 8,744▾
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.
Allegany 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.
Allegany County Parcels
Allegany County has 34,300 mapped parcels covering 646,045 acres. The median assessed value is $62,900. The median lot size is 2.72 acres. 10,645 parcels are 10 acres or larger. The records carry 25,307 distinct owner names. Owner names reach 97.2%. Site addresses reach 97.2%. Browse the interactive Allegany County Parcel viewer here.
Allegany County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 34,300 | 100% |
| Owner name | 33,346 | 97.2% |
| Owner mailing address | 0 | 0% |
| Site address | 33,331 | 97.2% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 33,270 | 97.0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 33,016 | 96.3% |
| Parcel boundary | 34,300 | 100% |
| Download all Allegany County parcels. | ||
Field coverage measured across all Allegany County parcel records.
Allegany County Population
Allegany County had 46,456 residents in 2020. That was 5.1% lower than in 2010. Allegany County had 3,471 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 45 people per square mile. Some of the county's most populated postal areas include Wellsville, Cuba and Alfred.
Population Trend in Allegany County NY
Allegany County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Allegany County Zip Codes
Allegany County has 28 zip codes. Some of the county's most populated zip codes include Wellsville (14895), Cuba (14727) and Alfred (14802). Wellsville is the largest zip by population, with about 9,375 residents or 20% of the county total. Together, the three largest zips account for about 40% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Allegany County NY
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 14895 | Wellsville | 9,375 | ▾ -2.5% |
| 14727 | Cuba | 5,257 | ▾ -3.5% |
| 14802 | Alfred | 4,016 | ▾ -2.9% |
| 14739 | Friendship | 2,853 | ▾ -1.7% |
| 14735 | Fillmore | 2,836 | ▴ 3.1% |
| Download all zip code data | |||
Allegany County Zip Code populations and trends per most recent census data.
Allegany County Demographics
Allegany County has a median age of 38.9, which makes the county a little younger than New York overall. About 19.9% of residents are under 18, while 19.7% 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 24.5% of the population, which points to a solid working-age base. About 24.6% of adults have a bachelor's degree or higher, above the statewide figure of 39.6%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Allegany County NY
Median Age
38.9
Under 18
19.9%
Age 65+
19.7%
Bachelor's+
24.6%
Allegany County School Districts
Allegany County is served by 17 public school districts with 8,744 students enrolled in 2024. The largest districts on the county map are Wellsville Central, Portville Central and Letchworth Central. Those three districts account for about 34% 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 Allegany County NY
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Wellsville Central School District | 1,141 | 13% | ▾ -1.8% |
| Portville Central School District | 979 | 11.2% | ▾ -2.3% |
| Letchworth Central School District | 858 | 9.8% | ▾ -0.2% |
| Cuba-Rushford Central School District | 719 | 8.2% | ▴ 0.1% |
| Bolivar-Richburg Central School District | 651 | 7.4% | ▾ -2.8% |
| Download all school district data | |||
Allegany County school district enrollment and trends per most recent NCES reporting data.
Allegany County Housing & Real Estate
Allegany County has a median home value of $97,900 and a median gross rent of $754. About 80% 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 $164,925 and homes spent about 79 days on the market.
Allegany County Housing Mix
Allegany County housing mix: owner, renter and vacant units.
Allegany County Housing Trends
Allegany County median home value and rent trend (last 5 years).
Businesses in Allegany County, NY
Allegany County has 2,637 business listings across 423 categories. The largest categories in Allegany County business listings are Game Publisher (291, 11.0%), Churches & Religious Organizations (82, 3.1%), and Professional Services (71, 2.7%). The full Allegany County business listings dataset includes names, categories, addresses and contact details where available. Allegany County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Allegany County, NY
| Category | Businesses | Share |
|---|---|---|
| Game Publisher | 291 | 11.0% |
| Churches & Religious Organizations | 82 | 3.1% |
| Professional Services | 71 | 2.7% |
| Financial Service | 56 | 2.1% |
| Medical Offices | 50 | 1.9% |
| Farm | 40 | 1.5% |
| Shopping | 40 | 1.5% |
| Beauty And Spa | 40 | 1.5% |
| Community & Nonprofits | 39 | 1.5% |
| College University | 35 | 1.3% |
Allegany County Business Listings
| Business | Category | City |
|---|---|---|
| Wellsville Manor Care Center | Abuse And Addiction Treatment | Wellsville |
| Shenawana Hall | Accommodation | Houghton |
| Allegany Business Professionals | Accountant | Belmont |
| GN Ranch | Active Life | Friendship |
| James M. Wilson | Adult Entertainment | |
| New Outdoor Solar Wall Lamp | Advertising Agency | York |
| Brookside Maple | Agricultural Cooperatives | Houghton |
| Wellsville Municipal Airport | Airport | Wellsville |
| Genesee Rapids Baseball Team | Amateur Sports League | Houghton |
| Bailey Elias Racing | Amateur Sports Team | Wellsville |
| Download Allegany County business listings | ||
Allegany County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Allegany County Basemaps
Allegany 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 Allegany County Data Package
This page shows a preview of what's included in the Allegany 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 Allegany County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.