134,202 people (2024 Census estimate, +2.4% since 2020)
367 square miles of land · 365 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.
48 active community water systems list Strafford County in the area they serve, reporting 92,160 people served in all (a system that crosses county lines counts its whole population).
| DOVER WATER DEPT groundwater · local government · NH0651010 | 29,000 served |
| ROCHESTER WATER DEPT surface water · local government · NH2001010 | 25,000 served |
| UNH/DURHAM WATER SYS surface water · state · NH0691010 | 16,000 served |
| SOMERSWORTH WATER WORKS surface water · local government · NH2151010 | 12,200 served |
| FARMINGTON WATER DEPT groundwater · local government · NH0811010 | 3,250 served |
| ROLLINSFORD WATER SEWER DIST groundwater · local government · NH2011010 | 1,688 served |
| MILTON WATER DIST groundwater · local government · NH1581010 | 800 served |
| PINELAND PARK groundwater · private · NH1583010 | 425 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 310 people were held in Strafford County's jail, in Vera's latest figure (2023), or 341 per 100,000 residents ages 15–64. In 2018 it was about 380.
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.
9 school districts have their office in Strafford County. School taxes are usually the largest part of a property tax bill.
Spent $75.7 million — $71.6 million to run schools, about $18,149 per student, plus $3.6 million on buildings and equipment. Money in: $43.6 million local (mostly property tax), $30.8 million state, $10.8 million federal. Long-term debt: $14.8 million.
Spent $76.8 million — $72.2 million to run schools, about $19,119 per student, plus $303,000 on buildings and equipment. Money in: $56.3 million local (mostly property tax), $19.5 million state, $6 million federal. Long-term debt: $85.5 million.
Spent $55.1 million — $49.3 million to run schools, about $22,976 per student, plus $4.2 million on buildings and equipment. Money in: $40.9 million local (mostly property tax), $10.2 million state, $1.2 million federal. Long-term debt: $47.3 million.
Spent $32 million — $29.6 million to run schools, about $22,157 per student, plus $1.7 million on buildings and equipment. Money in: $18.2 million local (mostly property tax), $10.9 million state, $4.1 million federal.
Spent $27.5 million — $18.5 million to run schools, about $19,422 per student, plus $356,000 on buildings and equipment. Money in: $19.8 million local (mostly property tax), $7.3 million state, $1 million federal. Long-term debt: $710,000.
Spent $17 million — $16.7 million to run schools, about $20,954 per student, plus $283,000 on buildings and equipment. Money in: $7.8 million local (mostly property tax), $7.5 million state, $2.3 million federal.
Spent $11.6 million — $11.4 million to run schools, about $22,300 per student, plus $80,000 on buildings and equipment. Money in: $6.4 million local (mostly property tax), $4.2 million state, $1.2 million federal.
Spent $12 million — $7.9 million to run schools, about $19,536 per student, plus $130,000 on buildings and equipment. Money in: $8.1 million local (mostly property tax), $3.5 million state, $353,000 federal. Long-term debt: $2.9 million.
And 1 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 Strafford County about $29.1 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
136 bridges in Strafford County: 82 in good condition, 41 fair, and 13 poor (9.6%). “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 16 SP TPK SB over COCHECO RIVER · built 1957 | 23,607 vehicles a day |
| NH 16 SP TPK NB over COCHECO RIVER · built 1957 | 22,560 vehicles a day |
| NH 16 SP TPK NB over NH108 CSX(ABD) · built 1957 | 22,163 vehicles a day |
| NH 16 SP TPK SB over NH108 CSX(ABD) · built 1957 | 21,323 vehicles a day |
| NH125 over ISINGLASS RIVER · built 1951 | 14,407 vehicles a day |
| US 4 over NH155A · built 1968 | 13,387 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $92.3 million of work in Strafford County in fiscal 2025, about $705 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 Strafford 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 Strafford County built: brayden.ozark@gmail.com.
More of New Hampshire: the state government and every county in New Hampshire.
Nearby counties: York County, ME (21 mi) · Rockingham County (21 mi) · Belknap County (25 mi) · Merrimack County (32 mi) · Carroll County (41 mi) · Hillsborough County (43 mi).