Lewis County, KY Demographics

Population 12,965 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Lewis County, KY map of median age by neighborhood
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Population and households in Lewis County

Household size in Lewis County

Household size, people per household
PeriodLewis CountyKentuckyU.S.
2006–102.792.512.68
2010–142.632.532.73
2015–192.522.522.71
2020–242.542.512.65
Change−0.24−0.00−0.03
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Households in Lewis County run a little small, averaging 2.54 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has dropped from 2.79 in 2006–10, a much bigger shift than nationally. The biggest households, usually families with children, are concentrated in the southwest.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Lewis County

Median age, years
PeriodLewis CountyKentuckyU.S.
2006–1040.038.537.7
2010–1440.139.338.6
2015–1943.740.039.6
2020–2441.839.940.1
Change+1.8+1.5+2.3
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Lewis County skews a little older than the country: its median age is 41.8, against 40.1 nationally. The median age has climbed from 40.0 in 2006–10, as it has nationally. Residents skew youngest in the northwest and oldest in the south.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Lewis County

Single-parent households, % of households
PeriodLewis CountyKentuckyU.S.
2006–109.5%11.7%12.3%
2010–1411.4%11.9%12.3%
2015–1912.9%11.8%11.6%
2020–2412.1%11.9%11.6%
Change+2.6 pts+0.2 pts−0.6 pts
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Single parents head about one in eight households in Lewis County (12.1%), close to the national share of 11.6%. The single-parent share has risen 2.6 points since 2006–10, even as the national share fell.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Lewis County

Renters in Lewis County

Renters, % of occupied homes
PeriodLewis CountyKentuckyU.S.
2006–1015.7%30.1%33.3%
2010–1421.1%32.3%35.6%
2015–1926.0%32.8%36.0%
2020–2420.8%31.7%34.8%
Change+5.1 pts+1.5 pts+1.5 pts
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Lewis County is largely a place of homeowners: only 20.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than half of owners (55.8%) have paid off their mortgages, well above the national share of 39.8%. The renter share is up 5.1 points from 2006–10, a much bigger shift than nationally.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Lewis County

Vacant homes, % of all homes
PeriodLewis CountyKentuckyU.S.
2006–1022.6%12.2%11.4%
2010–1419.0%11.9%11.4%
2015–1919.7%12.3%11.1%
2020–2414.5%10.6%9.6%
Change−8.0 pts−1.6 pts−1.8 pts
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Vacant homes make up 14.5% of the housing in Lewis County, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Vacancy is down 8.0 points from 2006–10, a much bigger shift than nationally.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Lewis County

Age of homes, median year built
PeriodLewis CountyKentuckyU.S.
2006–10197519771974
2010–14197819791975
2015–19198219801977
2020–24198519821980
Change+10+5+6
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Homes in Lewis County are a bit newer than the national norm: the median home was built in 1985, versus 1980 across the U.S. The median year built has moved up from 1975 in 2006–10, a sign of steady new building. Newer construction is concentrated in the southwest, while the northwest has the oldest housing.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Lewis County

Rent, per month
PeriodLewis CountyKentuckyU.S.
2006–10$548$657$965
2010–14$481$728$1,040
2015–19$568$814$1,213
2020–24$729$1,024$1,571
Change+$181+$367+$606
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The median renter in Lewis County pays $729 a month for rent and utilities, well below the national median of $1,571. Rents are up $181 a month from 2006–10, a 33% rise, a slower climb than the nation's. The typical renter here spends 20.9% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the center; the highest are in the northwest.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Lewis County

Bachelor's degrees in Lewis County

Bachelor's degrees, % of adults 25+
PeriodLewis CountyKentuckyU.S.
2006–1011.5%21.3%28.4%
2010–1410.9%22.5%29.6%
2015–199.8%24.5%32.1%
2020–2416.2%27.6%35.6%
Change+4.7 pts+6.2 pts+7.2 pts
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Fewer adults in Lewis County have a four-year degree than in the country as a whole: 16.2%, against 35.6% nationally. The share with a degree has risen 4.7 points since 2006–10, as it has nationally. College graduates are most concentrated in the northeast and least in the northwest.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Lewis County

High school graduates, % of adults 25+
PeriodLewis CountyKentuckyU.S.
2006–1066.5%81.7%84.9%
2010–1473.5%83.9%86.1%
2015–1975.7%86.4%87.7%
2020–2480.6%88.8%89.3%
Change+14.2 pts+7.2 pts+4.3 pts
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Nearly one in five adults in Lewis County never finished high school, well above the national share: only 80.6% have a diploma or equivalent, against 89.3% nationally. The share with a diploma is up 14.2 points from 2006–10, a much bigger shift than nationally. Lewis County has a lower share of high school graduates than the great majority of Kentucky counties.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Lewis County

Unemployment, % of the labor force
PeriodLewis CountyKentuckyU.S.
2006–1014.8%8.4%8.1%
2010–1410.8%9.5%9.4%
2015–195.3%5.8%5.6%
2020–245.3%5.1%5.4%
Change−9.5 pts−3.3 pts−2.7 pts
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Unemployment in Lewis County is close to the national rate: 5.3% of the labor force, against 5.4%. Unemployment is down 9.5 points from 2006–10, a much bigger shift than nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Lewis County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Lewis County2.5441.812.1%20.8%14.5%1985$72916.2%80.6%5.3%
Mason County2.4043.211.7%33.9%12.7%1979$75719.9%86.4%5.1%
Greenup County2.4244.19.3%19.7%9.5%1976$90719.2%89.3%6.9%
Robertson County2.7636.915.7%20.5%18.3%1984$61113.0%81.5%3.8%
Boyd County2.4043.514.6%29.8%12.2%1972$84420.2%90.1%6.4%
Lawrence County2.5542.912.6%27.7%14.9%1975$86618.9%90.4%2.8%
Harrison County2.6542.712.5%28.6%12.4%1981$76221.7%90.5%3.0%
Cabell County2.2940.99.9%35.8%14.6%1970$96433.4%90.7%5.5%
Grant County2.8038.113.6%24.9%10.1%1988$87315.6%89.7%4.8%
Putnam County2.4842.07.9%18.2%7.9%1987$96029.6%93.9%3.1%
Owen County2.6443.77.7%12.0%20.4%1987$76319.3%86.0%7.6%

All figures 2020–24.

Counties with similar populations: Ringgold County, IA · Hardeman County, TX · Hardin County, IL · Harper County, KS · Harper County, OK · Hartley County, TX · Haskell County, KS · Haskell County, TX · Heard County, GA · Hemphill County, TX

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Lewis County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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