28,576 people (2024 Census estimate, +2.5% since 2020)
504 square miles of land · 57 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.
6 active community water systems list Dinwiddie County in the area they serve, reporting 8,461 people served in all (a system that crosses county lines counts its whole population).
| DCWA CENTRAL buys surface water · local government · VA3053280 | 7,418 served |
| MCKENNEY, TOWN OF groundwater · local government · VA3053700 | 482 served |
| CHESDIN MANOR SUBDIVISION groundwater · private · VA3053248 | 315 served |
| STONY SPRINGS SUBDIVISION groundwater · private · VA3053915 | 145 served |
| LEW JONES SUBDIVISION groundwater · private · VA3053650 | 62 served |
| AZZIE MANOR HOME FOR ADULTS groundwater · private · VA3053210 | 39 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 96 people were held in Dinwiddie County's jail, in Vera's latest figure (2024), or 529 per 100,000 residents ages 15–64. In 2019 it was about 148.
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.
1 school district has its office in Dinwiddie County. School taxes are usually the largest part of a property tax bill.
Spent $67.1 million — $61.9 million to run schools, about $14,553 per student, plus $3.3 million on buildings and equipment. Money in: $23 million local (mostly property tax), $40.6 million state, $8.2 million federal. Long-term debt: $29.5 million.
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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Dinwiddie County about $7.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
151 bridges in Dinwiddie County: 13 in good condition, 125 fair, and 13 poor (8.6%). “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.
| INTERSTATE-85 NBL over CSX TRANSP ROW · built 1968 | 14,779 vehicles a day |
| BALTIMORE ROAD over GEORGES BRANCH · built 1975 | 1,098 vehicles a day |
| SUTHERLAND ROAD over WHIPPONOCK CREEK · built 1967 | 814 vehicles a day |
| WILKINSON ROAD over CHAMBERLAINS BED CREEK · built 1964 | 652 vehicles a day |
| SUTHERLAND ROAD over NAMOZINE CREEK · built 1967 | 404 vehicles a day |
| COLEMANS LAKE RD. over WHITE OAK CREEK · built 1955 | 228 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $13.6 million of work in Dinwiddie County in fiscal 2025, about $486 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.
General election: Tuesday, November 3, 2026. Early voting: 2026-09-18 to 2026-10-31. Last day to register to vote: 2026-10-23. Mail ballot request deadline: 2026-10-23. Election Day: 2026-11-03.
Source: Virginia Department of Elections: upcoming elections · Virginia Department of Elections: voter FAQ · Virginia Department of Elections: absentee voting
The budget, property tax rates, audits, local officials and offices for Dinwiddie 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 Dinwiddie County built: brayden.ozark@gmail.com.
More of Virginia: the state government and every county in Virginia.
Nearby counties: Petersburg city (16 mi) · Colonial Heights city (18 mi) · Chesterfield County (21 mi) · Sussex County (23 mi) · Nottoway County (24 mi) · Hopewell city (24 mi).