Population: Middlesex County

Latest value, 2025

1,669,979persons

Source: U.S. Census Bureau
Retrieved 2026-10-08
Published 2026-03-26

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A.

Evolution

1,616,9111,642,4541,667,997202020212022202320242025
Value
PeriodValue
20251,669,979
20241,663,929
20231,644,193
20221,630,890
20211,614,929
20201,624,461

Comparison with related places

Place2025
Middlesex County1,669,979
Massachusetts7,154,084
United States341,784,857
Worcester County888,502
Essex County826,653
Suffolk County791,891
Norfolk County739,749
Bristol County593,640

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

Get this figure from your agent

Call get_value through the MCP server or the REST API.

get_value {"indicator":"population","place":"us-county-25017"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-25017

Other indicators for Middlesex County

Statistics for Middlesex County