313,809 people (2024 Census estimate, +3.4% since 2020)
836 square miles of land · 375 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
31 active community water systems list Cumberland County in the area they serve, reporting 176,819 people served in all (a system that crosses county lines counts its whole population).
| PORTLAND WATER DISTRICT-GREATER surface water · local government · ME0091300 | 135,068 served |
| BRUNSWICK/TOPSHAM WATER DISTRICT groundwater · local government · ME0090260 | 18,863 served |
| YARMOUTH WATER DISTRICT groundwater · local government · ME0091670 | 8,000 served |
| BRIDGTON WATER DISTRICT groundwater · local government · ME0090230 | 3,660 served |
| MAINE WATER COMPANY FREEPORT DIVISION groundwater · private · ME0090580 | 2,700 served |
| GRAY WATER DISTRICT groundwater · local government · ME0090620 | 2,468 served |
| SOUTH FREEPORT WATER DISTRICT groundwater · local government · ME0091480 | 960 served |
| HARRISON WATER DISTRICT groundwater · local government · ME0090670 | 863 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 288 people were held in Cumberland County's jail, in Vera's latest figure (2021), or 144 per 100,000 residents ages 15–64. In 2014 it was about 451.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
17 school districts have their office in Cumberland County. School taxes are usually the largest part of a property tax bill.
Spent $149.8 million — $140.6 million to run schools, about $21,713 per student, plus $500,000 on buildings and equipment. Money in: $106.1 million local (mostly property tax), $32.3 million state, $13.8 million federal. Long-term debt: $56.2 million.
Spent $61.2 million — $58.4 million to run schools, about $18,503 per student, plus $1.4 million on buildings and equipment. Money in: $36.5 million local (mostly property tax), $21.2 million state, $3.4 million federal. Long-term debt: $4.8 million.
Spent $91.5 million — $56.9 million to run schools, about $18,478 per student, plus $31.1 million on buildings and equipment. Money in: $48.4 million local (mostly property tax), $13.8 million state, $1.8 million federal. Long-term debt: $15.3 million.
Spent $64.2 million — $60.5 million to run schools, about $20,923 per student, plus $1.8 million on buildings and equipment. Money in: $52.7 million local (mostly property tax), $9.8 million state, $1.6 million federal. Long-term debt: $26.5 million.
Spent $52.8 million — $49.2 million to run schools, about $17,986 per student, plus $2.8 million on buildings and equipment. Money in: $24.1 million local (mostly property tax), $25.5 million state, $2.1 million federal. Long-term debt: $8.6 million.
Spent $52.1 million — $50.2 million to run schools, about $21,240 per student, plus $586,000 on buildings and equipment. Money in: $31.9 million local (mostly property tax), $17.4 million state, $3.1 million federal. Long-term debt: $28.5 million.
Spent $54.3 million — $51.1 million to run schools, about $21,902 per student, plus $849,000 on buildings and equipment. Money in: $24.4 million local (mostly property tax), $23.3 million state, $7.4 million federal. Long-term debt: $26.3 million.
Spent $46.7 million — $45.5 million to run schools, about $21,123 per student, plus $470,000 on buildings and equipment. Money in: $32.5 million local (mostly property tax), $15.9 million state, $976,000 federal. Long-term debt: $9.4 million.
And 9 more.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Cumberland County about $69.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
344 bridges in Cumberland County: 93 in good condition, 216 fair, and 35 poor (10.2%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| I 295 NB over ROUTE 88 (LAFAYETTE ST) · built 1959 | 27,320 vehicles a day |
| I 295 SB over ROUTE 88 (LAFAYETTE ST) · built 1959 | 27,080 vehicles a day |
| CONGRESS ST over STROUDWATER RIVER · built 1989 | 24,013 vehicles a day |
| MAIN ST over ANDROSCOGGIN RIVER · built 1931 | 16,790 vehicles a day |
| TANDBERG TRL over DITCH BROOK · built 1959 | 14,042 vehicles a day |
| ROOSEVELT TRL over PLEASANT RIVER · built 1989 | 13,750 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $175.5 million of work in Cumberland County in fiscal 2025, about $579 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
Registration deadlines, early voting and polling places for Maine are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Cumberland County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Cumberland County built: brayden.ozark@gmail.com.
More of Maine: the state government and every county in Maine.
Nearby counties: Sagadahoc County (25 mi) · Androscoggin County (26 mi) · York County (31 mi) · Lincoln County (43 mi) · Carroll County, NH (44 mi) · Strafford County, NH (50 mi).