Middlesex County, Virginia

Quick answer: Middlesex County is a county in Virginia with its seat at Saluda. Its estimated population in 2025 was 10,841, up 2.1% since 2020. It covers about 130 square miles of land.

Overview

Virginia has 95 counties, and Middlesex County is one of them.[1] The county seat is Saluda.[2] The county was established in 1669.[2] The name comes from Middlesex.[2]

Population of Middlesex County

The U.S. Census Bureau estimated the population of Middlesex County at 10,841 in July 2025, up 2.1% from the April 2020 base of 10,619.[1] That made it 113th of Virginia's 133 counties and independent cities by population. It ranked 60th for growth since 2020.[1]

From 2020 to 2025 the Census Bureau counted about 471 births and 1,035 deaths, so deaths outnumbered births by 564.[1] More people moved in from other parts of the United States than moved away. Net domestic migration was 671. Moves from abroad added 124.[1]

Geography

Middlesex County covers 130.3 square miles of land and 80.4 square miles of water.[3] By land area it ranks 95th of 133 in Virginia.[3] It had about 83 people per square mile in 2025, so it is mostly rural. Its geographic center lies near 37.61° N, 76.53° W.[3]

The county borders Accomack County, Essex County, Gloucester County, King and Queen County, Lancaster County, Mathews County, Northampton County and Richmond County.[4]

The U.S. Geological Survey place-name database lists 35 named streams, 12 lakes and reservoirs and 2 islands in the county.[5]

Towns

Middlesex County has one incorporated town: Urbanna (508), with its estimated 2025 population in brackets.[6] In Virginia, towns remain part of the county around them, unlike independent cities.

Frequently asked questions

What is the county seat of Middlesex County?
Saluda.

What is the population of Middlesex County?
About 10,841 people in 2025, according to the U.S. Census Bureau.

How big is Middlesex County?
About 130 square miles of land, plus 80.4 square miles of water.

References

• [1] U.S. Census Bureau, County Population Totals and Components of Change: 2020-2025 (Vintage 2025) – last checked 11/08/2026
• [2] Wikidata, Middlesex County, Virginia (open data, CC0) – last checked 11/08/2026
• [3] U.S. Census Bureau, 2024 Gazetteer Files: Counties – last checked 11/08/2026
• [4] U.S. Census Bureau, County Adjacency File (2024) – last checked 11/08/2026
• [5] U.S. Geological Survey, Geographic Names Information System (GNIS), Domestic Names – last checked 11/08/2026
• [6] U.S. Census Bureau, City and Town Population Totals: 2020-2025 – last checked 11/08/2026

Official website: www.co.middlesex.va.us

Boundary on the map: Census TIGERweb. See all counties and cities on the map.