Littlejohn Island, Maine Demographics & Population 2026

A note before these figures: with a population of 73, Littlejohn Island's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Littlejohn Island is a small community located in Maine, within Cumberland County. The total population is 73. It ranks as the 155th most populous out of 155 Census-designated places in Maine.

Age Demographics

The median age in Littlejohn Island is 59.8 years. This is 33% higher than the state median of 44.8 years. Only 8.2% of residents are under 18, indicating fewer families with children. 24.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The ACS records no residents below the poverty line in Littlejohn Island. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Littlejohn Island, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $671,900. Housing costs are 127% higher than the state median of $296,600. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 35% higher than the state average of 74.3%.

Race & Ethnicity

Littlejohn Island has a predominantly White (non-Hispanic) population, comprising 86.3% of all residents. Hispanic or Latino residents account for 13.7%. The Hispanic or Latino population is significantly higher than the state average (13.7% vs 2.2%).

Education

100.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Littlejohn Island in the top 10% of all cities in the state for educational attainment. This is 176% higher than the state rate of 36.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 31.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Littlejohn Island, Maine is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Maine state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 155 Census-designated places in Maine. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.