Rank	City	2006 Population (Est.)	Growth Rate (Annual)
1	Portland	63,504	-0.2%
2	Lewiston	35,449	-0.1%
3	Bangor	31,054	-0.3%
4	South Portland	23,641	0.2%
5	Auburn	23,153	-0.0%
6	Biddeford	21,911	0.8%
7	Augusta	18,687	0.1%
8	Saco	18,087	1.3%
9	Westbrook	16,071	-0.1%
10	Waterville	15,447	-0.2%
11	Presque Isle	9,195	-0.6%
12	Brewer	9,111	0.3%
13	Bath	9,074	-0.4%
14	Caribou	8,206	-0.2%
15	Old Town	7,780	-0.3%
16	Rockland	7,625	0.0%
17	Ellsworth	6,912	1.3%
18	Belfast	6,734	0.9%
19	Gardiner	6,155	-0.1%
20	Calais	3,255	-1.1%
21	Hallowell	2,504	0.3%
22	Eastport	1,563	-0.9%