Where does this data come from?

Name: Population — Middlesex, MA (persons)
Creator: U.S. Bureau of Economic Analysis (Regional Economic Accounts)

It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-MA-25017.POP.A.NSA.

Population — Middlesex, MA (persons)

AnnualNot seasonally adjustedCode US-MA-25017.POP.A.NSA

Latest1,668,956 persons2024

Previous1,644,932 persons2023

Year ago1,644,932 persons2023

Population — Middlesex, MA (persons) was 1,668,956 persons in 2024, up 1.5% from 2023.

That is the highest reading since the series began in 1969.

Over the past ten years it has ranged from 1,584,471 persons (2014) to 1,668,956 persons (2024), averaging 1,623,534 persons.

Population — Middlesex, MA (persons) (persons), 1969 – 2024. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

Period	Value
2024	1,668,956 persons
2023	1,644,932 persons
2022	1,629,805 persons
2021	1,620,553 persons
2020	1,627,578 persons
2019	1,630,745 persons
2018	1,625,887 persons
2017	1,620,034 persons
2016	1,608,748 persons
2015	1,597,164 persons
2014	1,584,471 persons
2013	1,567,471 persons
2012	1,547,904 persons
2011	1,527,626 persons
2010	1,508,219 persons
2009	1,494,764 persons
2008	1,477,049 persons
2007	1,463,106 persons
2006	1,456,528 persons
2005	1,454,868 persons
2004	1,459,232 persons
2003	1,464,083 persons
2002	1,468,488 persons
2001	1,473,021 persons

Last 24 observations. The full history (56 observations) is available through the API.

Get Population — Middlesex, MA (persons) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-MA-25017.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-MA-25017.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]

Get a free API key → · API docs

About this series

Latest observation	2024
First observation	1969
Observations	56
Frequency	Annual
Units	persons
Adjustment	Not seasonally adjusted
10-year high	1,668,956 persons (2024)
10-year low	1,584,471 persons (2014)
10-year average	1,623,534 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-MA-25017.POP.A.NSA

This series is a labelled reference series (an official figure republished by an aggregator) rather than a first print from the agency itself.

Other United States indicators

Unemployment Rate: Middlesex County, MA (U)Employment: Middlesex County, MA (U)Labor Force: Middlesex County, MA (U)Per-Capita Personal Income — Middlesex, MA (USD)Personal Income — Middlesex, MA (USD thousands)Unemployment: Middlesex County, MA (U)

National figure

United States Population, midperiod

FAQ

Where does this data come from?: It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-MA-25017.POP.A.NSA.

Last updated 2026-07-12. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts). Original title: “Population — Middlesex, MA (persons)”.