Data Last Updated: March 1, 2023

ZIP Codes for City of New Castle, NH


    
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Counties:	ROCKINGHAM, NH
Area Code(s):	603
Timezone(s):	Eastern (GMT -05:00)
City Population:	968 (More Details)
CBSA:	Boston-Cambridge-Newton, MA-NH
Congressional District(s):	01
Land Area:	695 square miles (county)
Water Area:	100 square miles (county)

1 ZIP Code

New Castle, NH ZIP Code Boundaries

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New Castle, NH Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
03854	P.O. Box	968	100.00%	NEWCASTLE

New Castle, NH Demographic Information *

There is no Census data for the city of NEW CASTLE, NH. We have pulled information for the ZIP Code 03854 instead.

Total population**	968
Male population	443
Female population	525
Median age (years)	56.1
White Population	950
Black Population	1
Indian Population	1
Asian Population	7
Hawaiian Population	1
Hispanic Population	5
Median age (Male)	56.9
Median age (Female)	55.5
Total households	449
Family households (families)	304
Average household size	2.16
Average family size	2.61
Total housing units	537

* Demographic data is based on 2010 Census for the City of NEW CASTLE.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov