| County : | Waldo County |
| State : | Maine (ME) |
| Land Area : | 729.91 sq mi |
| Water Area : | 122.84 sq mi |
| Latitude : | 44.5053607 |
| Longitude : | -69.1396775 |
| Population (2010): | 38,786 |
| Population Estimate (2012) : | 38,761 |
| Population Density : | 53.14/sq mi |
| Housing Units (2012) : | 21,566 |
| Median Household Income (2012) : | $42,238 (Maine : $48,219, USA : $53,046) |
| Median Family Income (2012) : | $52,587 (Maine : $60,408, USA : $64,585) |
| Median House Price (2012) : | $156,100 (Maine : $175,600, USA : $181,400) |
Waldo County Cities / Towns
| Belfast City (6,668) | Searsport (992) | Unity (469) |
| Winterport (1,340) |
Waldo County Zip Codes
| 04354 (1,535) | 04438 (1,124) | 04496 (3,757) |
| 04848 (566) | 04849 (3,684) | 04915 (8,806) |
| 04921 (1,593) | 04922 (1,164) | 04941 (1,751) |
| 04949 (913) | 04951 (906) | 04952 (1,829) |
| 04973 (1,389) | 04974 (2,611) | 04981 (2,316) |
| 04986 (1,721) | 04987 (1,030) | 04988 (2,134) |