Where does this data come from?

Name: Population — Mercer, NJ (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-NJ-34021.POP.A.NSA.

Population — Mercer, NJ (persons)

AnnualNot seasonally adjustedCode US-NJ-34021.POP.A.NSA

Latest392,138 persons2024

Previous386,296 persons2023

Year ago386,296 persons2023

Population — Mercer, NJ (persons) was 392,138 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 377,373 persons (2014) to 392,138 persons (2024), averaging 383,573 persons.

Population — Mercer, NJ (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	392,138 persons
2023	386,296 persons
2022	382,165 persons
2021	382,231 persons
2020	386,492 persons
2019	386,203 persons
2018	384,914 persons
2017	382,721 persons
2016	380,199 persons
2015	378,569 persons
2014	377,373 persons
2013	375,914 persons
2012	373,046 persons
2011	369,858 persons
2010	368,206 persons
2009	365,388 persons
2008	364,119 persons
2007	363,088 persons
2006	362,840 persons
2005	362,015 persons
2004	361,248 persons
2003	358,724 persons
2002	355,935 persons
2001	353,816 persons

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

Get Population — Mercer, NJ (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-NJ-34021.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-NJ-34021.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	392,138 persons (2024)
10-year low	377,373 persons (2014)
10-year average	383,573 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-NJ-34021.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: Mercer County, NJ (U)Employment: Mercer County, NJ (U)Labor Force: Mercer County, NJ (U)Per-Capita Personal Income — Mercer, NJ (USD)Personal Income — Mercer, NJ (USD thousands)Unemployment: Mercer County, NJ (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-NJ-34021.POP.A.NSA.

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