Dinwiddie County, Virginia
County seat: Dinwiddie · Population 28,896 (2025) · 504 sq mi
Dinwiddie County is the 64th most populous of Virginia's 133 counties, with 28,896 people (2025 estimate). Its county seat is Dinwiddie. It is part of the Crater Planning District Commission (PD 19) region, one of the 21 Planning District Commissions of Virginia. The map shows its 1 city or town and the 8 neighboring counties.
Dinwiddie County facts
- County seat
- Dinwiddie
- Population (2025 estimate)
- 28,896 +3.4% since 2020
- Land area
- 504 sq mi 22nd largest of 133
- Water area
- 4 sq mi
- Population density
- 57 per sq mi
- Established
- 1752
- Named after
- Robert Dinwiddie British colonial administrator (1692-1770)
- Largest city
- Dinwiddie 589
- Median household income
- $83,704
- Cities and towns
- 1 plus 1 CDPs
- ZIP codes
- 12
- Time zone
- Eastern
- FIPS code
- 51053
Cities and towns in Dinwiddie County
Dinwiddie County has 1 incorporated place. Populations count the people living inside Dinwiddie County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| McKenney | Town | 469 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Dinwiddie | 589 |
ZIP codes in Dinwiddie County
12 ZIP codes reach into Dinwiddie County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 23803 also Chesterfield County and Petersburg city
- 23805 also Prince George County and Petersburg city
- 23824 also Nottoway, Brunswick and Lunenburg counties
- 23830 also Sussex and Prince George counties
- 23833 also Amelia County
- 23840
- 23841
- 23850 also Amelia County
- 23872
- 23882 also Sussex County
- 23885
- 23894 also Nottoway County
Population of Dinwiddie County, 2020–2025
Dinwiddie County grew by 962 people (+3.4%) between April 2020 and July 2025: 752 more deaths than births and a net gain of 1,695 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 27,886 |
| 2021 | 27,999 |
| 2022 | 28,137 |
| 2023 | 28,476 |
| 2024 | 28,787 |
| 2025 | 28,896 |
Neighboring counties
- Brunswick County southwest · 15,727 people
- Nottoway County west · 15,796 people
- Amelia County northwest · 13,632 people
- Sussex County southeast · 10,755 people
- Chesterfield County north · 397,148 people
- Prince George County east · 43,936 people
- Petersburg city northeast · 33,734 people
- Greensville County south · 11,181 people
Printable Dinwiddie County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (112 KB)
- PNG (2400 px) (91 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
Back to the Virginia county map with all 133 counties. Found an error? Tell us.