County · New York

Lewis County, New York

Lewis County, New York. Lewis County had 26,479 residents in 2025 by the Census Bureau's estimate, down 0.4% since 2020, a smaller fall than New York's (−1.0%). It holds 25 places (8 cities, villages and boroughs and 17 towns and townships) and 9 census tracts. GEOID 36049.

Residents, July 2025 estimate

26,479

Census Bureau estimate (no margin published)
2020 Census count: 26,582 · ACS 2020-2024: 26,607

Median household income

$68,182

±$3,903 (90% margin)
New York: $85,974

Median home value

$166,100

±$5,193 (90% margin)
New York: $423,800

Median gross rent

$837

±$57 (90% margin)
New York: $1,621

How many people live in Lewis County, and is it growing?

The 2020 Census counted 26,582 residents in Lewis County. The Census Bureau estimates 26,479 for July 1, 2025, down 0.4% since 2020, a smaller fall than New York's (−1.0%). The 2020-2024 American Community Survey puts the population at 26,607 over 1,276 square miles of land.

July 2020→2021 +168 (26,739)
2021→2022 −123 (26,616)
2022→2023 −48 (26,568)
2023→2024 −56 (26,512)
2024→2025 −33 (26,479)

Lewis County in New York. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Lewis County	New York	Change since 2015-2019
Total population	26,607	19,852,366	+35
Households	11,110±274	7,722,646	+863
Average household size	2.36±0.06	2.49	−0.20
Housing units	15,637±55	8,585,241	no clear change

Lewis County's population since 2000

From 26,944 in 2000 to 26,479 in 2025: down 1.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 26,944
2005 (estimate) 26,773
2010 Census 27,087
2015 (estimate) 26,824
2020 Census 26,582
2025 (estimate) 26,479

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Lewis County?

Lewis County holds 25 places: 8 cities, villages and boroughs (incorporated places) and 17 towns and townships (county subdivisions with their own government). The largest is Town of Lowville with 4,869 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Lewis County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Lowville (town)	town	4,888	4,875±36	$69,150	$165,000	16.2%	100%
Lowville	village	3,272	3,404±371	$68,450	$164,000	17.5%	100%
Croghan (town)	town	3,197	3,209±31	$72,220	$191,300	14.4%	100%
New Bremen (town)	town	2,785	2,783±27	$61,274	$163,200	6.3%	100%
Denmark (town)	town	2,626	2,630±39	$63,270	$193,600	16.7%	100%
Watson (town)	town	1,802	1,976±255	$68,864	$161,300	8.6%	100%
West Turin (town)	town	1,692	1,733±219	$69,338	$149,400	13.2%	100%
Diana (town)	town	1,610	1,383±250	$58,929	$123,500	11.5%	100%
Leyden (town)	town	1,572	1,661±201	$59,474	$173,100	13.9%	100%
Martinsburg (town)	town	1,316	1,189±207	$85,313	$162,200	5.2%	100%
Greig (town)	town	1,179	1,004±149	$58,000	$172,700	14.8%	100%
Lyonsdale (town)	town	1,170	1,159±164	$61,806	$111,000	10.4%	100%
Lewis (town), Lewis County	town	844	913±138	$87,708	$180,100	13.9%	100%
Turin (town)	town	768	1,065±218	$102,292	$180,600	7.0%	100%
Croghan	village	639	642±159	$51,731	$160,000	19.1%	100%
Copenhagen	village	631	635±138	$58,977	$169,700	20.0%	100%
Lyons Falls	village	570	569±159	$59,000	$119,400	10.2%	100%
Port Leyden	village	554	659±173	$45,833	$114,300	15.8%	100%
Harrisburg (town)	town	480	478±120	$81,964	$168,300	9.2%	100%
Castorland	village	334	481±111	$57,222	$164,200	17.9%	100%
Pinckney (town)	town	313	285±70	$75,938	$170,800	10.6%	100%
ConstablevilleGEOID 3617882	village	293	332±88	$68,750	$126,300	18.1%	100%
Osceola (town)	town	243	134±35	$43,571	$140,000	14.2%	100%
TurinGEOID 3675682	village	197	297±105	$103,246	$114,600	6.1%	100%
Montague (town)GEOID 3604948032	town	97	130±82	not published	$315,200	5.4%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Lewis County?

The median resident of Lewis County is 41.9 years old; 22.6% are under 18 and 20.5% are 65 or older. The largest group is non-Hispanic white residents at 93.4%, then non-Hispanic residents of two or more races at 3.2%. 1.4% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Lewis County	New York	Change since 2015-2019
Median age	41.9±0.4	39.8	no clear change
Under 18 years	22.6%±0.1 pts	20.5%	–
65 years and over	20.5%±0.2 pts	17.9%	–
Hispanic or Latino (any race)	1.8%	19.8%	+0.1 pts
White alone, not Hispanic	93.4%±0.9 pts	52.8%	−2.5 pts
Black or African American alone, not Hispanic	0.7%±0.3 pts	13.4%	no clear change
Asian alone, not Hispanic	0.3%±0.1 pts	9.0%	−0.2 pts
American Indian and Alaska Native alone, not Hispanic	0.0%±0.1 pts	0.2%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.2 pts	0.0%	–
Two or more races, not Hispanic	3.2%±0.9 pts	3.8%	–
Some other race alone, not Hispanic	0.5%±0.4 pts	1.0%	–
Born outside the United States	1.4%±0.5 pts	22.8%	no clear change
Speak a language other than English at home (age 5+)	3.6%±1.4 pts	30.9%	–
Civilian veterans (age 18+)	8.3%±0.8 pts	3.7%	–
With a disability	15.1%±1.2 pts	12.6%	–
No health insurance coverage	5.7%±1.6 pts	5.1%	no clear change
High school graduate or higher (age 25+)	92.3%±1.0 pts	88.0%	–
Bachelor's degree or higher (age 25+)	18.6%±1.6 pts	40.2%	no clear change
Graduate or professional degree (age 25+)	8.1%±1.0 pts	17.9%	–
Moved from another state in the past year	0.9%±0.3 pts	1.5%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Lewis County earn?

Half of Lewis County's 11,110 households earn less than $68,182 a year (±$3,903), against $85,974 in New York. In 2015-2019 it was $67,102 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.3% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Lewis County	New York	Change since 2015-2019
Median household income	$68,182±$3,903	$85,974	no clear change
Mean household income	$80,901±$2,833	$128,247	–
Per capita income	$33,677±$1,122	$50,712	no clear change
People below the poverty line	12.3%±1.4 pts	14.0%	no clear change
Children under 18 below the poverty line	16.9%±3.2 pts	18.3%	no clear change
Households receiving SNAP	12.5%±1.6 pts	15.6%	–
Households with a broadband subscription	86.5%±1.6 pts	90.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Lewis County?

Owners occupy 80.2% of Lewis County's occupied homes and renters 19.8%. The median owner-occupied home is valued at $166,100 by its owner (±$5,193). The median renter pays $837 a month including utilities, and 31.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Lewis County	New York	Change since 2015-2019
Median home value (owner-occupied)	$166,100±$5,193	$423,800	+$18,171
Median gross rent	$837±$57	$1,621	−$108
Renters paying 35% or more of income on rent	31.2%±4.9 pts	43.1%	−9.1 pts
Median monthly owner costs, with a mortgage	$1,417±$43	$2,555	–
Owner-occupied homes	80.2%±1.7 pts	54.3%	no clear change
Housing units	15,637±55	8,585,241	no clear change
Homeowner vacancy rate	0.5%±0.4 pts	1.1%	–
Rental vacancy rate	2.7%±1.4 pts	3.8%	–
Single-family detached homes	78.0%±1.5 pts	41.2%	–
Mobile homes	11.0%±1.1 pts	2.1%	–
Built 2020 or later	0.9%±0.3 pts	0.8%	–
Built 1939 or earlier	32.6%±2.2 pts	30.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Lewis County building?

Builders took permits for 133 new housing units across Lewis County in 2025 (99 single-family), 5.0 per 1,000 residents.

2019 58 units
2020 86 units
2021 74 units
2022 116 units
2023 125 units
2024 114 units
2025 133 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Lewis County get to work?

76.0% of Lewis County's workers drive alone and 7.5% work from home. The average trip to work takes 24.2 minutes. The unemployment rate in 2020-2024 averaged 5.2%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Lewis County	New York	Change since 2015-2019
In the labor force (age 16+)	58.8%±1.5 pts	62.7%	–
Unemployment rate	5.2%±1.2 pts	6.4%	no clear change
Drove alone to work	76.0%±2.2 pts	48.8%	–
Carpooled	9.3%±1.8 pts	6.3%	–
Public transportation	1.1%±0.6 pts	21.6%	–
Walked	4.8%±1.2 pts	5.6%	–
Worked from home	7.5%±1.5 pts	14.9%	+2.1 pts
Mean travel time to work	24.2 min±1.5	32.6 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Lewis County's census tracts?

Lewis County is divided into 9 census tracts. Among those with a reliable estimate, median household income runs from $49,158 (Tract 9508) to $75,820 (Tract 9507).

Census tracts of Lewis County, ACS 2020-2024 5-year estimates; sort by any column

Tract 9501.0136049950101	Croghan (5%)	2,580	2,441±247	$66,964	$166,100	$1,252	7.7%
Tract 950236049950200	Croghan (3%)	4,506	4,425±290	$62,050	$164,700	$860	13.4%
Tract 9503.0136049950301	Lowville (36%)	3,429	3,425±242	$68,025	$170,600	$763	13.1%
Tract 9503.0236049950302	Copenhagen (5%)	4,100	4,109±233	$69,583	$178,700	$988	17.6%
Tract 9504.0136049950401	–	2,536	2,685±214	$70,515	$170,200	$925	8.8%
Tract 950536049950500	Lowville (4%)	2,358	2,320±192	$74,559	$170,000	$843	9.5%
Tract 9506.0136049950601	Lyons Falls (8%)	1,245	1,139±140	$65,278	$111,900	$846	12.0%
Tract 950736049950700	Lyons Falls (3%)	4,952	5,239±257	$75,820	$164,500	$747	12.5%
Tract 950836049950800	–	876	824±114	$49,158	$147,600	$935	9.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Lewis County compare with New York's other counties?

Lewis County's rank among New York's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	59th of 62
Growth 2020-2025	24th of 62
Residents per square mile	61st of 62
Median household income	44th of 62
Median home value	44th of 62
Median gross rent	55th of 62
Poverty rate	40th of 62
Bachelor's degree or higher	60th of 62
Median age	34th of 62

Every county in New York

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Lewis County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.