Niagara County, New York
County seat: Lockport · Population 208,912 (2025) · 522 sq mi
Niagara County is the 18th most populous of New York's 62 counties, with 208,912 people (2025 estimate). Its county seat is Lockport. The map shows its 8 cities and towns and the 3 neighboring counties.

Niagara County facts
- County seat
- Lockport
- Population (2025 estimate)
- 208,912 −1.8% since 2020
- Land area
- 522 sq mi 41st largest of 62
- Water area
- 617 sq mi
- Population density
- 400 per sq mi
- Established
- 1808
- Largest city
- Niagara Falls 47,255
- Median household income
- $69,633
- Cities and towns
- 8 plus 8 CDPs
- ZIP codes
- 22
- Time zone
- Eastern
- FIPS code
- 36063
Cities and towns in Niagara County
Niagara County has 8 incorporated cities, towns and villages. Populations count the people living inside Niagara County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Niagara Falls | City | 47,255 | |
| North Tonawanda | City | 29,806 | |
| Lockport (county seat) | City | 20,248 | |
| Lewiston | Village | 2,492 | |
| Youngstown | Village | 1,822 | |
| Middleport | Village | 1,692 | |
| Wilson | Village | 1,210 | |
| Barker | Village | 566 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| South Lockport | 9,144 | |
| Newfane | 3,938 | |
| Rapids | 1,655 | |
| Sanborn | 1,573 | |
| Ransomville | 1,564 | |
| Niagara University | 1,473 | |
| Gasport | 1,212 | |
| Olcott | 527 |
ZIP codes in Niagara County
22 ZIP codes reach into Niagara County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 14001 also Erie and Genesee counties
- 14008
- 14012 also Orleans County
- 14028
- 14067
- 14092
- 14094
- 14098 also Orleans County
- 14105 also Orleans and Genesee counties
- 14108
- 14109
- 14120
- 14126
- 14131
- 14132
- 14172
- 14174
- 14301
- 14302
- 14303
- 14304
- 14305
Population of Niagara County, 2020–2025
Niagara County shrank by 3,759 people (−1.8%) between April 2020 and July 2025: 4,294 more deaths than births and a net gain of 507 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 212,118 |
| 2021 | 211,778 |
| 2022 | 210,403 |
| 2023 | 209,451 |
| 2024 | 209,380 |
| 2025 | 208,912 |
Neighboring counties
- Erie County south · 946,741 people
- Orleans County east · 39,825 people
- Genesee County southeast · 58,416 people
Printable Niagara 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.
- PDF (Letter) (118 KB)
- PNG (2400 px) (92 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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