What is the population of Sidney?

The population of Sidney, ME is 4,543.

Where is Sidney located?

Sidney, ME is located at latitude 44.4131200 and longitude -69.7289300. It is in United States.

What is the area of Sidney?

The area of Sidney, ME is 45.51 km².

What is the elevation of Sidney?

Sidney, ME has an elevation of 52 meters (171 feet) above sea level.

What time zone is Sidney in?

Sidney, ME is in the America/New_York time zone.

What state is Sidney in?

Sidney is in the state of Maine, United States.

What county is Sidney, ME in?

Sidney is in Kennebec County, Maine.

How has the population of Sidney changed?

The population of Sidney, ME has increased from 4,208 (2010) to 4,543 (2020), a change of 8%.

Sidney, Maine

Sidney: town in Maine, United States

About

Sidney is a town located in the county of Kennebec in the U.S. state of Maine. Its population at the 2010 census was 4,208 and a population density of 92 people per km². After 10 years in 2020 city had an estimated population of 4,543 inhabitants.

Sidney locator map — Location of Sidney on Maine map.

Quick Facts about Sidney

Population	4,543 (2020)
Country	United States of America
State	Maine (United States)
County	Kennebec County
Postal code	04330
Phone Area Codes	207
Area	45.51 km²
Latitude & Longitude	44.4131,-69.7289
Altitude	344 feet / 105 meters
Time Zone	America/New_York
Local time	14:55:02 (15th April 2026)
Density	100 Pop. per km² as of 2020
Population growth	7.37% (2010-2020)
Weather	61℉ Isolated Rain Showers 7-days weather

Kennebec County Maine incorporated and unincorporated areas Sidney highlighted locator map image

Geography

Sidney is located at 44°24'47"N 69°43'44"W (44.4131200, -69.7289300).

Sidney map

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Weather

61°F

Isolated Rain Showers

0 to 5 mph SE This Afternoon

Isolated rain showers after 5pm. Mostly cloudy, with a high near 61. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.

7-Day Forecast

Demographics

The population of Sidney increased by 7.37% in 10 years.

Year	Population	% Change	Method
2010	4,208	-	census
2011	4,229	0.5%	estimation process
2012	4,254	0.59%	estimation process
2013	4,249	-0.12%	estimation process
2014	4,277	0.65%	estimation process
2015	4,281	0.09%	estimation process
2016	4,315	0.79%	estimation process
2017	4,362	1.08%	estimation process
2018	4,404	0.95%	estimation process
2019	4,468	1.43%	estimation process
2020	4,543	1.65%	estimation process

Sidnej, Сидней

Services and Civic Places in Sidney

1Sidney Town Hall

Rating: 4.9 (10)

2986 Middle Rd, Sidney, ME 04330 View details

Phone: +12075473340 | Website available

People born in Sidney (1)

American architect William M. Butterfield was born in Sidney

Nearby Schools and Colleges

Schools and campuses linked to Sidney, ME. Select a name to open its map and contact details.

Code	Name	City	ZIP
480064	Purdue University Global-Augusta	Augusta (ME)	04330

Nearby Transit Stations (19)

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

Code	Name	Address	Type
AGM	Augusta, ME	9 Industrial Drive	BUS
WDR	Waldoboro, Maine	US hwy 1 and hwy 32	BUS
DAM	Damariscotta, Maine	167 Main St.	BUS
WST	Wiscasset, Maine	279 Bath Rd.	BUS
CDN	Camden/Rockport, Maine	234 Park St.	BUS

Nearby Post Offices

Closest post offices linked to Sidney.

Post Office Name	City	ZIP
Vassalbor Post Office	Vassalboro (ME)	04989

Other places with the same name (9)

Sidney, Ohio city in Ohio, United States with a population of 20,301 people.
Sidney, Montana city in Montana, United States with a population of 6,297 people.
Sidney, Nebraska city in Nebraska, United States with a population of 6,235 people.
Sidney, New York town in Delaware County, New York, United States of America with a population of 3,557 people.
Sidney, Michigan township in Montcalm County, Michigan with a population of 2,435 people.
Sidney, Illinois village in Champaign County, Illinois, United States with a population of 1,172 people.
Sidney, Iowa city in Iowa, United States with a population of 1,016 people.
Sidney, Arkansas town in Arkansas, United States with a population of 185 people.
Sidney, Indiana town in Indiana, United States with a population of 80 people.

Other cities in Kennebec County

Cities, towns, neighborhoods & other populated places in Kennebec County , ME. (more)

City Name	Population	Title
Augusta	18,747	County seat in Kennebec County, Maine, USA and Maine federated state capital city
Waterville	16,579	City in Maine, United States
Winslow	7,654	Town in Maine
Oakland	6,341	Town in Kennebec County in the U.
Winthrop	6,029	Town in Maine, United States
Gardiner	5,685	City in Maine
Vassalboro	4,420	City in Kennebec County, Maine, United States of America
China	4,339	Town in Kennebec County, Maine, United States
Monmouth	4,172	Town in Kennebec County, Maine, United States
Clinton	3,369	Town in Kennebec County, Maine, United States
Belgrade	3,150	Town in Kennebec County, Maine, USA
Farmingdale	2,925	Human settlement in Kennebec County, Maine, United States of America
Pittston	2,819	Town in Maine, United States of America
Chelsea	2,753	Town in Maine, US
Benton	2,720	Town in Maine, United States
Windsor	2,620	Town in Kennebec County, Maine, United States

Distance to Other Cities

Sidney distances to largest Maine cities