Biggest Cities in Maine - 2011 Census Data

Rank	City	2012 Population (Est.)	Growth Rate (Annual)
1	Portland	66,139	-0.1%
2	Lewiston	36,465	-0.3%
3	Bangor	32,980	-0.2%
4	South Portland	25,040	0.2%
5	Auburn	22,966	-0.4%
6	Biddeford	21,306	0.1%
7	Augusta	19,004	-0.7%
8	Saco	18,627	0.8%
9	Westbrook	17,550	0.3%
10	Waterville	15,764	0.3%
11	Presque Isle	9,611	-0.8%
12	Brewer	9,453	-0.3%
13	Bath	8,424	-1.1%
14	Caribou	8,120	-0.8%
15	Old Town	7,808	-0.4%
16	Ellsworth	7,771	0.4%
17	Rockland	7,269	-0.4%
18	Belfast	6,652	-0.2%
19	Gardiner	5,767	-0.6%
20	Calais	3,097	-0.8%
21	Hallowell	2,374	-0.3%
22	Eastport	1,318	-1.0%