52,580 people (2024 Census estimate, +4.7% since 2020)
932 square miles of land · 56 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.
110 active community water systems list Carroll County in the area they serve, reporting 38,192 people served in all (a system that crosses county lines counts its whole population).
| WOLFEBORO WATER AND SEWER surface water · local government · NH2561010 | 6,000 served |
| NORTH CONWAY WATER PCT groundwater · local government · NH0511030 | 5,500 served |
| LOWER BARTLETT WATER PCT groundwater · local government · NH0161020 | 3,850 served |
| CONWAY WATER AND SEWER groundwater · local government · NH0511010 | 2,745 served |
| PARADISE SHORES groundwater · private · NH1612010 | 2,060 served |
| SANBORNVILLE WATER DEPT groundwater · local government · NH2391010 | 1,425 served |
| VILLAGE DISTRICT OF EIDELWEISS groundwater · local government · NH1461010 | 1,200 served |
| OSSIPEE WATER DEPT groundwater · local government · NH1841010 | 860 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 52 people were held in Carroll County's jail, in Vera's latest figure (2019), or 176 per 100,000 residents ages 15–64. In 2014 it was about 62.
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.
10 school districts have their office in Carroll County. School taxes are usually the largest part of a property tax bill.
Spent $56.8 million — $53.1 million to run schools, about $24,834 per student, plus $1.6 million on buildings and equipment. Money in: $38.7 million local (mostly property tax), $16.2 million state, $4.3 million federal. Long-term debt: $25.3 million.
Spent $37.3 million — $35.2 million to run schools, about $22,818 per student, plus $1.9 million on buildings and equipment. Money in: $27.7 million local (mostly property tax), $7.5 million state, $3.5 million federal. Long-term debt: $7.5 million.
Spent $16.4 million — $16 million to run schools, about $32,840 per student, plus $329,000 on buildings and equipment. Money in: $10.6 million local (mostly property tax), $6.7 million state, $668,000 federal.
Spent $11.5 million — $8.6 million to run schools, about $18,857 per student, plus $197,000 on buildings and equipment. Money in: $7 million local (mostly property tax), $3.9 million state, $1 million federal.
Spent $8.3 million — $5.7 million to run schools, about $30,089 per student, plus $466,000 on buildings and equipment. Money in: $5.3 million local (mostly property tax), $2.5 million state, $311,000 federal.
Spent $8.3 million — $6.3 million to run schools, about $33,995 per student, plus $368,000 on buildings and equipment. Money in: $5.8 million local (mostly property tax), $1.8 million state, $727,000 federal. Long-term debt: $82,000.
Spent $4.8 million — $3 million to run schools, about $19,392 per student, plus $109,000 on buildings and equipment. Money in: $2.5 million local (mostly property tax), $1.9 million state, $422,000 federal. Long-term debt: $3.9 million.
Spent $8.1 million — $5.5 million to run schools, about $43,381 per student, plus $65,000 on buildings and equipment. Money in: $5.5 million local (mostly property tax), $2.3 million state, $432,000 federal. Long-term debt: $595,000.
And 2 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 Carroll County about $31 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
193 bridges in Carroll County: 102 in good condition, 81 fair, and 10 poor (5.2%). “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.
| NH 16A over E BR SACO RIVER · built 1928 | 1,078 vehicles a day |
| MAPLE STREET over COLD BROOK · built 1922 | 253 vehicles a day |
| DURGIN BRIDGE ROAD over COLD RIVER · built 1869 | 164 vehicles a day |
| DRAKE HILL ROAD over MEADOW BROOK · built 1930 | 108 vehicles a day |
| FDR 17 over BURNT KNOLL · built 1975 | 100 vehicles a day |
| GRANITE ROAD over SOUTH RIVER · built 1920 | 96 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $-10,386,078 of work in Carroll County in fiscal 2025, about $-207 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 New Hampshire 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 Carroll 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 Carroll County built: brayden.ozark@gmail.com.
More of New Hampshire: the state government and every county in New Hampshire.
Nearby counties: Belknap County (27 mi) · Grafton County (32 mi) · York County, ME (40 mi) · Strafford County (40 mi) · Cumberland County, ME (44 mi) · Merrimack County (46 mi).