The U.S. Census identifies “Urbanized Areas” (Urbanized) and “Urban Clusters” (Clusters), reporting population and the number of housing units (Housing). Data is extracted from the Maine 2010 Population Housing Unit Counts, 2010 Census of Population and Housing, Issued August 2012.
| AREA | Population | Housing |
Places Included |
| Maine | 1,328,361 | 721,830 | All places |
| Urban | 513,542 | 251,161 | All urban |
| Urbanized | 348,137 | 166,873 | All including smaller Maine-New Hampshire urbanized areas |
| Clusters | 165,405 | 84,288 | All urban clusters |
| Rural | 814,819 | 470,669 | All rural |
| Urbanized |
324,521 | 153,167 | Three largest areas wholly in Maine |
| Portland | 203,914 | 98,350 | Biddeford city, Cumberland Center, Falmouth, Freeport, Gorham, Old Orchard Beach, Portland city, Saco city Scarborough, South Portland city, Windham,Westbrook, Yarmouth |
| Bangor | 61,210 | 27,142 | Bangor, Brewer, Hampden, Milford, Old Town, Orono |
| Lewiston | 59,397 | 27,675 | Auburn, Lewiston, Lisbon Falls |
| Clusters | 114,165 | 57,067 | Clusters over 5,000 population |
| Brunswick | 29,159 | 14,192 | Bath, Brunswick, Topsham |
| Waterville | 25,689 | 11,802 | Fairfield, Oakland, Waterville, Winslow |
| Augusta | 22,637 | 11,691 | Augusta, Farmingdale, Gardiner, Hallowell, Randolph |
| Sanford | 13,584 | 6,324 | Sanford, Springvale |
| Rockland | 8,775 | 4,713 | Rockland, Thomaston |
| Kennebunk | 8,240 | 5,379 | Kennebunk, Kennebunkport |
| Presque Isle | 6,081 | 2,966 | Presque Isle |
See also Population Density by County, Population of Largest Communities, Population Since 1741.