Lewis County, New York

Lewis County: county in New York, United States

About

Lewis County is a county located in the U.S. state of New York. As of the 2010 census, the population was 27,087 and a population density of 8 people per km². After 10 years in 2020 county had an estimated population of 26,187 inhabitants. Its county seat is Lowville. The county was created 221 years ago in 1804.

Lewis County locator map
Location of Lewis County on New York map.

County Snapshot

Lewis County at a glance

Lewis County currently has 15 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

15

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Lewis County

Population 26,187 (2020)
Country United States of America
State New York (United States)
Different from Lewis County, Lewis County, Lewis and Clark County, Lewis County, Lewis County, Lewis County, Lewis County
Area 3341 km2
Water as percent of area 1.2%
Land as percent of area 98.8%
Latitude & Longitude 43.7847,-75.4488
Named for Morgan Lewis
Capital Lowville
Establishment January 01, 1805
Time Zone America/New_York
Local time 22:22:05 (18th April 2026)
Density 8 Pop. per km² as of 2020
Population growth -3.44% (2010-2020)
Weather 73℉ Partly Sunny then Chance Rain Showers 7-days weather
Soldier%27s Monument of Lowville  NY in the Fall. image
Soldier%27s Monument of Lowville NY in the Fall. image

Geography

Lewis County is located at 43°47'5"N 75°26'56"W (43.7846900, -75.4487900). It has 5 neighbors: Herkimer County, Jefferson County, Oneida County, Oswego County and St. Lawrence County.

Lewis County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Lewis County is Lowville with a population of 3,293. Other cities include, Croghan population 3,006, Denmark population 2,770, New Bremen population 2,624 and Watson population 1,780. See all Lewis County cities & populated places.

Lewis County Populated Places

Cities, towns, neighborhoods & other populated places in Lewis County.

City Name Population Title
Lowville 3,293 Town in Lewis County, New York, United States of America
Croghan 3,006 Village in New York
Denmark 2,770 Town in New York
New Bremen 2,624 Human settlement in Lewis County, New York, United States of America
Watson 1,780 Town in New York, United States
Martinsburg 1,386 Human settlement in Lewis County, New York, United States of America
Lyonsdale 1,196 Human settlement in Lewis County, New York, United States of America
Greig 1,188 Human settlement in Lewis County, New York, United States of America
Copenhagen 767 New York
Port Leyden 646 Human settlement in Lewis County, New York, United States of America
Lyons Falls 544 Human settlement in Lewis County, New York, United States of America
Castorland 341 Human settlement in Lewis County, New York, United States of America
Constableville 235 Human settlement in Lewis County, New York, United States of America
Turin 226 Town in New York, United States
Osceola 220 Human settlement in Lewis County, New York, United States of America

Weather

73°F
Partly Sunny then Chance Rain Showers
5 to 9 mph S Saturday

A chance of rain showers after 2pm. Partly sunny, with a high near 73. South wind 5 to 9 mph. Chance of precipitation is 30%.

7-Day Forecast

Official website of Lewis County

Official Website

Demographics

According to census records, the population of Lewis County decreased by 3.44% in 10 years.

Year Population % Change Method
2010 27,087 - census
2011 27,027 -0.22% estimation process
2012 27,196 0.62% estimation process
2013 27,098 -0.36% estimation process
2014 27,089 -0.03% estimation process
2015 26,827 -0.98% estimation process
2016 26,647 -0.68% estimation process
2017 26,605 -0.16% estimation process
2018 26,486 -0.45% estimation process
2019 26,296 -0.72% estimation process
2020 26,187 -0.42% estimation process
Comitatul Lewis, Comte de Lewis, Comté de Lewis, Condado de Lewis, Condado han Lewis, Contea di Lewis, Hrabstwo Lewis, L'juis, Lewis, Lewis Comitatus, Lewis Kun, Lewis Kūn, Lewis konderria, Lewis megye, Luis, Luis srjan, Okrug Luis, Quan Lewis, Quận Lewis, leyusa ka'unti, liu yi si xian, mqatʿt lwys, ruisu jun, shhrstan lwys nywywrk, Луис, Льюис, Льюїс, Округ Луис, Լուիս շրջան, شهرستان لویس، نیویورک, لیوس کاؤنٹی, لیوس کاؤنٹی، نیویارک, مقاطعة لويس, লেয়ুস কাউন্টি, ルイス郡, 劉易斯縣

People born in Lewis County (4)

People born in Lewis County, including politician John Swinburne, Invented lane striping June McCarroll, Medal of Honor recipient Thomas Burk, .

More notable people

  • Moses Waters he was born in 26/07/1837

Other places with the same name (6)

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