Where does this data come from?

Name: Population — New Castle, DE (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-DE-10003.POP.A.NSA.

Population — New Castle, DE (persons)

AnnualNot seasonally adjustedCode US-DE-10003.POP.A.NSA

Latest588,093 persons2024

Previous582,325 persons2023

Year ago582,325 persons2023

Population — New Castle, DE (persons) was 588,093 persons in 2024, up 1.0% from 2023.

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

Over the past ten years it has ranged from 555,040 persons (2014) to 588,093 persons (2024), averaging 569,289 persons.

Population — New Castle, DE (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	588,093 persons
2023	582,325 persons
2022	576,316 persons
2021	572,116 persons
2020	570,957 persons
2019	568,466 persons
2018	565,586 persons
2017	563,172 persons
2016	561,343 persons
2015	558,766 persons
2014	555,040 persons
2013	551,610 persons
2012	547,127 persons
2011	543,181 persons
2010	539,022 persons
2009	536,898 persons
2008	533,958 persons
2007	530,555 persons
2006	527,174 persons
2005	523,343 persons
2004	518,944 persons
2003	514,769 persons
2002	510,158 persons
2001	506,026 persons

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

Get Population — New Castle, DE (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-DE-10003.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-DE-10003.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	588,093 persons (2024)
10-year low	555,040 persons (2014)
10-year average	569,289 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-DE-10003.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: New Castle County, DE (U)Employment: New Castle County, DE (U)Labor Force: New Castle County, DE (U)Per-Capita Personal Income — New Castle, DE (USD)Personal Income — New Castle, DE (USD thousands)Unemployment: New Castle County, DE (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-DE-10003.POP.A.NSA.

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