Sullivan, ME Demographics

Population 1,126 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Sullivan, ME map of median age by neighborhood
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Population and households in Sullivan

Household size in Sullivan

Household size, people per household
PeriodSullivanMaineU.S.
2006–102.442.372.68
2010–142.242.362.73
2015–192.602.352.71
2020–242.362.302.65
Change−0.08−0.07−0.03
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Sullivan is a place of small households, averaging 2.36 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Maine as a whole looks much the same.

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 Sullivan

Median age, years
PeriodSullivanMaineU.S.
2006–1043.542.137.7
2010–1449.743.538.6
2015–1947.745.039.6
2020–2442.245.040.1
Change−1.3+2.9+2.3
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Sullivan skews a little older than the country: its median age is 42.2, against 40.1 nationally. Even so, the population here is younger than in Maine as a whole, where the median age is 45.0. Since 2006–10, the median age has dropped from 43.5, but in a place this small, much of that may be survey noise rather than real change.

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 Sullivan

Single-parent households, % of households
PeriodSullivanMaineU.S.
2006–104.3%10.1%12.3%
2010–149.2%10.1%12.3%
2015–1910.6%9.4%11.6%
2020–2411.9%8.8%11.6%
Change+7.5 pts−1.4 pts−0.6 pts
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Single-parent households are about as common in Sullivan as they are nationally: 11.9%, against 11.6%. Single parents are more common here than in Maine overall (8.8%).

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 Sullivan

Renters in Sullivan

Renters, % of occupied homes
PeriodSullivanMaineU.S.
2006–1013.1%26.9%33.3%
2010–1416.7%28.6%35.6%
2015–1917.1%27.7%36.0%
2020–2415.1%25.7%34.8%
Change+2.0 pts−1.2 pts+1.5 pts
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Sullivan is largely a place of homeowners: only 15.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 54.4% have no mortgage at all, well 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 Sullivan

Vacant homes, % of all homes
PeriodSullivanMaineU.S.
2006–1041.8%17.8%11.4%
2010–1443.6%18.1%11.4%
2015–1946.3%19.0%11.1%
2020–2437.2%16.4%9.6%
Change−4.6 pts−1.4 pts−1.8 pts
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Vacancy is high in Sullivan: 37.2% of homes are empty, 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.

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 Sullivan

Age of homes, median year built
PeriodSullivanMaineU.S.
2006–10197119691974
2010–14197519711975
2015–19198419731977
2020–24198119751980
Change+10+6+6
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The typical home in Sullivan was built around 1981, about the same vintage as the country's housing overall (1980). Homes here are newer than in Maine as a whole, where the median home dates to 1975.

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 Sullivan

Rent, per month
PeriodSullivanMaineU.S.
2006–10$782$766$965
2010–14$915$831$1,040
2015–19$958$919$1,213
2020–24$967$1,230$1,571
Change+$185+$464+$606
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A typical rental in Sullivan costs $967 a month with utilities, well below the national median of $1,571. The typical renter here spends 21.3% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.

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 Sullivan

Bachelor's degrees in Sullivan

Bachelor's degrees, % of adults 25+
PeriodSullivanMaineU.S.
2006–1026.0%27.0%28.4%
2010–1423.5%28.7%29.6%
2015–1929.7%32.0%32.1%
2020–2430.5%36.5%35.6%
Change+4.5 pts+9.5 pts+7.2 pts
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College degrees are a little less common in Sullivan than nationally: 30.5% of adults 25 and older have a bachelor's or higher, against 35.6%.

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 Sullivan

High school graduates, % of adults 25+
PeriodSullivanMaineU.S.
2006–1086.2%89.9%84.9%
2010–1488.4%91.4%86.1%
2015–1993.2%92.6%87.7%
2020–2496.9%94.8%89.3%
Change+10.7 pts+4.8 pts+4.3 pts
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High school completion is high in Sullivan: 96.9% 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 Sullivan

Unemployment, % of the labor force
PeriodSullivanMaineU.S.
2006–1011.2%6.6%8.1%
2010–1410.3%7.6%9.4%
2015–194.3%4.2%5.6%
2020–245.4%3.9%5.4%
Change−5.8 pts−2.7 pts−2.7 pts
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At 5.4%, unemployment in Sullivan is the same as the national rate. The rate is higher than in Maine as a whole (3.9%). Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).

Sullivan compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Sullivan2.3642.211.9%15.1%37.2%1981$96730.5%96.9%5.4%
Sorrento2.3642.211.9%15.1%37.2%1981$96730.5%96.9%5.4%
East Franklin2.2446.77.3%21.1%35.4%1984$90229.0%96.5%8.1%
Hancock2.1656.86.2%17.4%26.5%1981$1,17740.8%94.6%4.4%
Gouldsboro2.0553.46.4%18.3%41.6%1985$1,23427.8%96.2%0.8%
Marlboro2.2049.67.3%21.6%26.0%1983$1,17434.9%96.7%8.7%
West Franklin2.2248.26.8%23.7%23.8%1986$96426.6%95.1%7.0%
Franklin2.2248.16.8%18.8%33.2%1984$86126.9%96.1%7.0%
Lamoine2.2049.67.3%21.6%26.0%1983$1,17434.9%96.7%8.7%
Winter Harbor1.8963.32.0%20.1%45.0%1974$87031.0%93.8%1.2%
Prospect Harbor2.0154.95.7%18.7%41.3%1986$1,27227.5%96.1%0.0%

All figures 2020–24.

Cities with similar populations: Paxton, TX · Ackworth, IA · Larue, TX · Lenzburg, IL · Lester, AL · Lester, OH · Lewisville, OH · Lingleville, TX · Little River, CA · Mc Carley, MS

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 Sullivan. 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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