Caribou city, Maine Demographics & Population 2026

Population Overview

Caribou city is a small city located in Maine, within Aroostook County. The total population is 7,427. It ranks as the 20th most populous out of 155 cities and towns in Maine.

Age Demographics

The median age in Caribou city is 52.3 years. This is 17% higher than the state median of 44.8 years. 13.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Caribou city is $54,271. This is 24% lower than the state median of $71,773. Compared to the national median of $78,538, household income here is 31% lower. The poverty rate stands at 11.8%. This is 10% higher than the state poverty rate of 10.8%. The unemployment rate is 3.1%. This is 21% lower than the state rate of 3.9%. The median home value is $120,300. Housing costs are 55% lower than the state median of $266,400. With a home-value-to-income ratio of just 2.2x, Caribou city is one of the most affordable housing markets in the area. 74.1% of occupied housing units are owner-occupied.

Race & Ethnicity

Caribou city has a predominantly White (non-Hispanic) population, comprising 92.3% of all residents. Asian residents account for 0.5%. The Black or African American population (0.1%) is well below the state average of 1.6%. The Hispanic or Latino population (0.3%) is well below the state average of 2.1%. The Asian population (0.5%) is well below the state average of 1.1%.

Education

28.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% lower than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.0%.

Data Sources & Methodology

All demographic data for Caribou city, Maine is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.