• county
  • FIPS 36063
  • Largest town: Niagara Falls

Niagara County, New York

Niagara County had 209,570 residents in the Census Vintage 2024 estimate, on 522.4 square miles of land. It ranks 18th of 62 in New York by population and 41st by land area.

Population
209,570
#18 of 62 in New York · #341 in US
Area
522.4 sq mi
#41 of 62 in New York · #1,998 in US
Density
401 / sq mi
#17 of 62 in New York · #343 in US
Median household income
$65,932
#38 of 62 in New York · #1,303 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Niagara County within New York. Pin: Albany.

Measure from here

Tools and pages that start from Niagara County

Niagara County population, land area and income

Niagara County had 209,570 residents in the Census Vintage 2024 estimate, on 522.4 square miles of land. It ranks 18th of 62 in New York by population and 41st by land area. That works out to 401.2 people per square mile, 4.2 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in New York has 85,936 residents, so Niagara County is 2.4 times that size.

Its SAIPE 2023 median household income of $65,932 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

209,570

3144th1st

341st of 3,144 (US)

Land area

522 sq mi

3144th1st

1998th of 3,144 (US)

Density

401.2 / sq mi

3144th1st

343rd of 3,144 (US)

Median household income

$65,932

3143rd1st

1303rd of 3,143 (US)

Rank within New York (62)

Population

209,570

62nd1st

18th of 62 (NY)

Land area

522 sq mi

62nd1st

41st of 62 (NY)

Density

401.2 / sq mi

62nd1st

17th of 62 (NY)

Median household income

$65,932

62nd1st

38th of 62 (NY)

How Niagara County's population changed since 2020

Niagara County lost 2,563 residents between the July 2020 and July 2024 estimates, a drop of 1.2%. That ranks 37th of 62 in New York for growth. The median New York county changed by -0.8%, and the state as a whole by -1.2%.

Since the April 2020 estimates base, Niagara County recorded 8,351 births and 11,861 deaths, a natural change of -3,510. Net international migration added +1,079 and net domestic migration, people moving to or from other US counties, came to -698. The largest single component was natural change, which removed 3,510 people.

212.1k2020211.8k2021210.5k2022209.7k2023209.6k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
8,351
Deaths
11,861
Net international migration
+1,079
Net domestic migration
-698
Change, July 2023 to July 2024
-114

Where Niagara County is

The Census internal point of Niagara County is at 43.272700, -78.812900. It sits in UTM zone 17N. The map shades New York's 62 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Niagara County outlined. Dots are towns of 1,000+ people with residents in it.

Tompkins County: +5.8%Yates County: -1.3%Suffolk County: +0.9%Broome County: -0.9%Cortland County: -1.7%Fulton County: -2.0%Ulster County: +0.9%Rockland County: +3.2%Essex County: -1.5%Westchester County: +0.5%Niagara County: -1.2%Dutchess County: +1.4%Seneca County: -2.6%Onondaga County: -0.9%Tioga County: -1.6%Erie County: -0.2%Wayne County: -0.5%Delaware County: -0.1%Greene County: -1.8%Schenectady County: +1.9%Allegany County: -0.1%Rensselaer County: -0.1%Monroe County: -0.7%Warren County: -0.5%Livingston County: -0.1%Madison County: -1.3%Jefferson County: -2.5%Sullivan County: +2.5%Lewis County: +0.0%Oswego County: +0.7%Putnam County: +0.8%New York County: -1.1%Columbia County: -1.8%St. Lawrence County: -2.0%Schuyler County: -4.1%Franklin County: -0.3%Steuben County: -1.4%Cayuga County: -2.1%Oneida County: -1.2%Chemung County: -3.1%Herkimer County: -0.7%Schoharie County: +1.3%Cattaraugus County: -2.0%Chautauqua County: -2.6%Chenango County: -2.8%Hamilton County: +0.2%Orange County: +2.7%Washington County: -2.1%Ontario County: +0.6%Bronx County: -5.1%Wyoming County: -1.5%Clinton County: -2.3%Orleans County: -1.0%Montgomery County: +0.3%Nassau County: +0.1%Kings County: -3.6%Genesee County: -1.2%Otsego County: +3.7%Albany County: +1.9%Queens County: -3.1%Richmond County: +0.6%Saratoga County: +1.9%
Change 2020 to 2024
  1. < -2.0%
  2. < -1.2%
  3. < -0.2%
  4. < +0.7%
  5. ≥ +0.7%
no data

Orange pin: Niagara County internal point. Dark pin: Albany.

Internal point

Decimal
43.272700, -78.812900
DMS
43°16'21.72"N 78°48'46.44"W
UTM
17N 677479.2E 4793420.9N
Geohash
dpxyntd1w
Plus code
87M375FP+3R

Towns in Niagara County

7 incorporated places of 1,000+ people have residents in Niagara County, 105,120 people together, or 50% of the county. Each figure counts only the part of the town inside Niagara County; towns marked "part" extend into another county. The largest is Niagara Falls with 47,512.

  1. 01Niagara Falls47,512
  2. 02North Tonawanda29,981
  3. 03Lockport20,394
  4. 04Lewiston2,497
  5. 05Youngstown1,829
  6. 06Middleport1,688
  7. 07Wilson1,219
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Niagara County

The Census 2024 county adjacency file lists 3 neighbors for Niagara County. The most populous is Erie County, NY, with 950,602 residents. Distances run between Census internal points in a straight line.

Distance to Albany and the nearest big city

Albany is 259.2 miles E of Niagara County's internal point in a straight line. The nearest place of 100,000 or more is Buffalo, NY (population 276,617), 26.3 miles away. The nearest place of 10,000 or more is Lockport, NY (population 20,394), 9.3 miles away.

Niagara County FIPS code

The FIPS code of Niagara County is 36063: state code 36 for New York plus county code 063. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,932.

Questions people ask

What is the population of Niagara County, New York?

The Census Vintage 2024 estimate for July 1, 2024 is 209,570. That is down 2,563 people (1.2%) from the July 2020 estimate of 212,133.

What is the FIPS code of Niagara County?

36063. The first two digits (36) are New York; the last three (063) identify the county.

What is the largest town in Niagara County?

Niagara Falls, with 47,512 residents inside Niagara County in 2024.

Which counties border Niagara County?

3 county-equivalents border it in the Census 2024 adjacency file: Erie County, NY; Genesee County, NY; Orleans County, NY.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.