Cornish Flat, NH Demographics

Population 415 · Census ACS 2020–24

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Cornish Flat, NH map of median age by neighborhood
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Population and households in Cornish Flat

Household size in Cornish Flat

Household size, people per household
PeriodCornish FlatNew HampshireU.S.
2006–102.662.522.68
2010–142.512.502.73
2015–192.492.492.71
2020–242.442.512.65
Change−0.22−0.01−0.03
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The average household in Cornish Flat has 2.44 people, under the U.S. average of 2.65. That is in line with the rest of New Hampshire. Since 2006–10, household size has dropped from 2.66, but in a place this small, survey estimates can swing a lot from one release to the next.

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 Cornish Flat

Median age, years
PeriodCornish FlatNew HampshireU.S.
2006–1041.840.637.7
2010–1447.942.138.6
2015–1952.643.339.6
2020–2451.644.240.1
Change+9.8+3.5+2.3
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With a median age of 51.6, Cornish Flat is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

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 Cornish Flat

Single-parent households, % of households
PeriodCornish FlatNew HampshireU.S.
2006–108.8%9.4%12.3%
2010–149.0%9.5%12.3%
2015–194.2%8.9%11.6%
2020–244.7%8.5%11.6%
Change−4.1 pts−0.9 pts−0.6 pts
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Single-parent households are relatively rare in Cornish Flat: 4.7% of households, against 11.6% nationally.

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 Cornish Flat

Renters in Cornish Flat

Renters, % of occupied homes
PeriodCornish FlatNew HampshireU.S.
2006–1013.7%27.4%33.3%
2010–1414.7%29.0%35.6%
2015–198.5%28.9%36.0%
2020–247.1%27.2%34.8%
Change−6.6 pts−0.1 pts+1.5 pts
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Only 7.1% of households in Cornish Flat rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than four in ten owners (44.2%) have paid off their mortgages, above the national share of 39.8%.

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 Cornish Flat

Vacant homes, % of all homes
PeriodCornish FlatNew HampshireU.S.
2006–1014.6%12.6%11.4%
2010–1414.1%12.5%11.4%
2015–1913.4%12.7%11.1%
2020–2410.6%11.7%9.6%
Change−4.1 pts−0.9 pts−1.8 pts
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About as many homes sit empty in Cornish Flat as nationally: 10.6%, against 9.6%.

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 Cornish Flat

Age of homes, median year built
PeriodCornish FlatNew HampshireU.S.
2006–10196719711974
2010–14196819721975
2015–19197519731977
2020–24198019761980
Change+13+5+6
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The typical home in Cornish Flat was built around 1980, the same vintage as the country's housing overall.

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 Cornish Flat

Rent, per month
PeriodCornish FlatNew HampshireU.S.
2006–10$962$1,018$965
2010–14$1,192$1,094$1,040
2015–19$1,111$1,224$1,213
2020–24$1,275$1,597$1,571
Change+$313+$580+$606
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The median renter in Cornish Flat pays $1,275 a month for rent and utilities, below the national median of $1,571. Rent takes 19.4% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.

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 Cornish Flat

Bachelor's degrees in Cornish Flat

Bachelor's degrees, % of adults 25+
PeriodCornish FlatNew HampshireU.S.
2006–1031.2%33.5%28.4%
2010–1439.3%35.0%29.6%
2015–1942.3%37.6%32.1%
2020–2440.5%41.1%35.6%
Change+9.3 pts+7.6 pts+7.2 pts
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About four in ten adults 25 and older in Cornish Flat (40.5%) have a bachelor's degree or higher, a bit above the national share of 35.6%. The picture is much the same across New Hampshire.

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 Cornish Flat

High school graduates, % of adults 25+
PeriodCornish FlatNew HampshireU.S.
2006–1093.6%91.0%84.9%
2010–1493.7%92.0%86.1%
2015–1996.2%93.1%87.7%
2020–2497.8%94.5%89.3%
Change+4.2 pts+3.5 pts+4.3 pts
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Finishing high school is nearly universal in Cornish Flat: 97.8% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.

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 Cornish Flat

Unemployment, % of the labor force
PeriodCornish FlatNew HampshireU.S.
2006–103.2%5.9%8.1%
2010–143.6%6.6%9.4%
2015–191.8%3.6%5.6%
2020–244.2%3.4%5.4%
Change+1.0 pts−2.5 pts−2.7 pts
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Unemployment in Cornish Flat runs below the national rate: 4.2% of the labor force was out of work and looking, against 5.4% nationally. Still, the rate is higher than in New Hampshire overall (3.4%). 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).

Cornish Flat compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Cornish Flat2.4451.64.7%7.1%10.6%1980$1,27540.5%97.8%4.2%
Meriden2.7140.64.6%10.6%15.4%1981$1,97148.4%97.3%0.4%
Cornish2.3754.03.9%5.9%8.2%1980$1,22140.6%98.0%4.8%
Plainfield2.6943.37.2%13.3%15.3%1977$1,73546.2%98.0%0.7%
Croydon Flat2.8338.39.3%11.3%31.6%1979$99127.2%94.7%3.1%
Windsor2.0148.29.8%33.7%11.0%1954$1,08940.8%95.6%5.9%
Grantham2.4349.39.6%0.9%32.5%1990$1,05756.6%97.9%3.8%
North Newport2.1247.56.2%14.7%24.7%1976$1,55624.0%98.7%0.3%
North Hartland2.3259.05.9%12.7%14.1%1966$1,14325.9%92.8%4.5%
Hartland2.2856.79.7%9.5%10.3%1971$1,11738.4%95.6%4.7%
Mascoma2.2349.79.0%12.8%15.3%1985$1,31750.1%99.8%0.0%

All figures 2020–24.

Cities with similar populations: Chelsea, WI · Coleharbor, ND · Grapefield, VA · Cobblesville, PA · Jerrys Run, WV · Portage, ME · Grand Isle, ME · Clare, KY · Claiborne, OH · Oakdale, OR

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 Cornish Flat. 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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