Best SEO and internet marketing services in Niagara County NY. Niagara County zip codes - 14008, 14028, 14067, 14092, 14094, 14095, 14107, 14108, 14109, 14120, 14126, 14131, 14132, 14144, 14172, 14174, 14301, 14302, 14303, 14304, 14305 Niagara County is a county in the U. S. state of New York. It is located in the very west part of New York State. Niagara County was founded on March 11, 1808. The county’s seat is Lockport. The largest city is Niagara Falls. Total are of the county is 1,140 sq mi (or 2,953 sq km). Land is 522 sq mi (1,352 sq km) and water is 617 sq mi (1,598 sq km). Water takes more than 54% of the territory. Population is 214,249, according to the census in 2013. Density is 414/sq mi (160/sq km). The well known in the whole world Niagara Falls are located in the county. And thousands of tourists come here to admire famous Niagara Falls. There are such state protected areas in the county: De Veaux Woods State Park, Fort Niagara State Park, Golden Hill State Park, Tonawanda Wildlife Management Area, Wilson-Tuscarora State Park, Earl W. Brydges Artpark State Park, Four Mile Creek State Park and others. There is Niagara University in the County. It is located in Lewiston, New York. There is also such establishment as Niagara County Community College in Sanborn. Only three cities are located in the county: Lockport, Niagara Falls and North Tonawanda.