
St. Croix Island International Historic Site · National Register of Historic Places
Calais’s story
247 years in pictures
Census counts: 372 in 1810, a peak of 7,655 in 1900, 3,079 in 2020. The archive holds 18 old photos and papers going back to 1613 and 5 maps from 1929 on.
18 places on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Calais: who provides what
Who provides power, water and the rest in Calais, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
Questions about Calais
Short answers, built from the data on this page.
Is Calais, ME a good place to live?
Calais grades C+ overall, better than 35% of U.S. towns and #85 of 142 in Maine. It grades D for health, B+ for safety and B for schools. Jobs & income is its weak spot, with a D.
Is Calais, ME safe?
Yes, by national standards. Maine has less crime than most states, so among its own towns Calais sits nearer the middle.
Is Calais, ME expensive?
That is 2.9 years of the area's median household income ($56,024 across the county). Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B−.
What is Calais, ME known for?
19 notable people were born here, including Andrea Gibson and Harriet Elizabeth Prescott Spofford.