With 26,607 people, Lewis County is a county in New York. Four-year degrees are less common here than nationally, at 19% of adults. Owners hold 80% of the housing stock. 1% of locals were born outside the United States. The typical home is worth $166,100, having more than doubled since 2000. Density works out to 21 people per square mile.
At a glance
Lower income
median household income $68,182, below the US median
US median: $82,259
Older
median age 41.9
US median: 38.9
Less educated
19% hold a bachelor's degree
US average: 36%
Less affordable
home values up 44%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Lewis County
What changed most since 1990
White share98.4% → 93.4%(−5.0 pts)US over the same years: −17.8 pts
Median age31.4 → 41.9(+10.5 years)US over the same years: +6.0 years
Adults with a bachelor's degree10.5% → 18.6%(+8.1 pts)US over the same years: +15.3 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)21.1%(360)
US avg: 26.4%
Gulf War (1990s)22.1%(377)
US avg: 24.3%
Vietnam era37.5%(638)
US avg: 33.1%
Korean War3.2%(55)
US avg: 4.5%
World War II1.5%(26)
US avg: 1%
Share of the 1,703 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Lewis County, decade by decade
Lewis County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
26,796
$61,439
$121,203
10.5%
3.8
2000
26,944
$62,594
$115,311
11.7%
5.3
2010
27,087
$61,637
$144,864
14.4%
7.8
2020
26,582
$68,107
$148,838
18.3%
14.9
2024
26,607
$68,182
$166,100
18.6%
15.6
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
