What is the population of Alton?

The population of Alton, NH is 5,364.

Where is Alton located?

Alton, NH is located at latitude 43.4523000 and longitude -71.2175700. It is in United States.

What is the area of Alton?

The area of Alton, NH is 212.9 km².

What is the elevation of Alton?

Alton, NH has an elevation of 165 meters (541 feet) above sea level.

What time zone is Alton in?

Alton, NH is in the America/New_York time zone.

What state is Alton in?

Alton is in the state of New Hampshire, United States.

What county is Alton, NH in?

Alton is in Belknap County, New Hampshire.

How has the population of Alton changed?

The population of Alton, NH has increased from 5,250 (2010) to 5,364 (2020), a change of 2.2%.

MapSof.net

Countries States Cities

Maps Distance Calculator Geocoder Distances

Alton, New Hampshire

Alton: town in New Hampshire (United States)

About

Alton is a town located in the county of Belknap in the U.S. state of New Hampshire. Its population at the 2010 census was 5,250 and a population density of 25 people per km². After 10 years in 2020 city had an estimated population of 5,364 inhabitants.

The town was created 230 years ago in 1795.

Alton locator map — Location of Alton on New Hampshire map.

Quick Facts about Alton

Population	5,364 (2020)
Country	United States of America
State	New Hampshire (United States)
County	Belknap County
Postal code	03809
Area	212.9 km²
Latitude & Longitude	43.4523,-71.2176
Altitude	561 feet / 171 meters
Establishment	January 01, 1796 (230 years ago)
Time Zone	UTC−05:00
Local time	20:46:29 (22nd April 2026)
Density	25 Pop. per km² as of 2020
Population growth	2.13% (2010-2020)
Weather	42℉ Chance Rain And Snow Showers 7-days weather

Monument Square Alton image

Geography

Alton is located at 43°27'8"N 71°13'3"W (43.4523000, -71.2175700).

Alton map

Click "full screen"

icon to open full mode. View satellite images

Weather

42°F

Chance Rain And Snow Showers

5 mph S Wednesday

A chance of rain and snow showers. Mostly cloudy, with a high near 42. South wind around 5 mph. Chance of precipitation is 30%.

7-Day Forecast

Official website of Alton

Official Website

Demographics

The population of Alton increased by 2.13% in 10 years.

Year	Population	% Change	Method
2010	5,250	-	census
2011	5,258	0.15%	estimation process
2012	5,275	0.32%	estimation process
2013	5,266	-0.17%	estimation process
2014	5,268	0.04%	estimation process
2015	5,280	0.23%	estimation process
2016	5,282	0.04%	estimation process
2017	5,318	0.68%	estimation process
2018	5,339	0.39%	estimation process
2019	5,328	-0.21%	estimation process
2020	5,364	0.67%	estimation process

Alton zip code is 03809. County name: Belknap, County fips: 33001

Ehlton, New Durham Gore, Olton, altwn nywhmpshayr, Олтон, Элтон, آلتون، نیوهمپشایر

Nearby Schools and Colleges

Schools and campuses linked to Alton, NH. Select a name to open its map and contact details.

Code	Name	City	ZIP
183123	Lakes Region Community College	Laconia (NH)	03246

Nearby Transit Stations (28)

Rail and bus stations connected to Alton, NH. Select a station to open its map and address details.

Code	Name	Address	Type
TLT	Tilton, New Hampshire	I-93 and US hwy 3	BUS
CNH	Concord, New Hampshire	30 Stickney Ave.	BUS
NHN	New Hampton, New Hampshire	325 Route 104	BUS
DOV	Dover Transportation Center	33 Chestnut St.	RAIL
DHM	Durham–UNH station	3 Depot Road	RAIL

Nearby Post Offices

Closest post offices linked to Alton.

Post Office Name	City	ZIP
Alton Post Office	Alton (NH)	03809

Other places with the same name (8)

Alton, Illinois city in Madison County, Illinois, United States with a population of 26,049 people.
Alton, Texas city in Texas with a population of 18,785 people.
Alton, Iowa human settlement in Sioux County, Iowa, United States of America with a population of 1,249 people.
Alton, Maine human settlement in Penobscot County, Maine, USA with a population of 858 people.
Alton, Missouri city in Missouri with a population of 823 people.
Alton, Utah town in Kane County, Utah, United States with a population of 119 people.
Alton, Kansas human settlement in Osborne County, Kansas, United States of America with a population of 92 people.
Alton, Indiana human settlement in Crawford County, Indiana, United States of America with a population of 54 people.

Other cities in Belknap County

Cities, towns, neighborhoods & other populated places in Belknap County , NH.

City Name	Population	Title
Laconia	16,646	City in New Hampshire, United States
Belmont	7,314	Town in New Hampshire, United States
Gilford	7,278	Town of the United States
Meredith	6,476	Town in Belknap County, New Hampshire, United States of America
Barnstead	4,777	City in Belknap County, New Hampshire, United States of America
Gilmanton	3,797	Town in Belknap County, New Hampshire, United States
Tilton	3,556	Town located in New Hampshire, United States
Sanbornton	3,012	Town in New Hampshire
New Hampton	2,234	Human settlement in Belknap County, New Hampshire, United States of America

Distance to Other Cities

Alton distances to largest New Hampshire cities