Naples, Maine Demographics & Population 2026

A note before these figures: with a population of 527, Naples'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

Naples is a small community located in Maine, within Cumberland County. The total population is 527. It ranks as the 135th most populous out of 155 Census-designated places in Maine.

Age Demographics

The median age in Naples is 58.4 years. This is 30% higher than the state median of 44.8 years. Only 1.9% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Naples is $61,510. This is 18% lower than the state median of $74,733. It is also 24% lower than the national median of $80,734. The poverty rate stands at 3.1%. This is 71% lower than the state poverty rate of 10.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Naples, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $533,500. Housing costs are 80% higher than the state median of $296,600. The home-value-to-income ratio of 8.7x suggests that housing affordability is a significant concern for many residents. 60.8% of occupied housing units are owner-occupied. This homeownership rate is 18% lower than the state average of 74.3%.

Race & Ethnicity

Every resident counted in Naples was recorded as White (non-Hispanic). A figure of exactly 99.6% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

42.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 17% 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, 17.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Naples, 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.