Regional School Unit 21 Historical Median Household Income by Races Data
ACS 2010-2014 data
| | Regional School Unit 21 | Maine | U.S. |
| White | $71,778, see rank | $49,258 | $56,900 |
| Black | $14,028, see rank | $24,370 | $35,600 |
| American Indian, Alaska Native | $26,830, see rank | $28,835 | $37,170 |
ACS 2008-2012 data
| | Regional School Unit 21 | Maine | U.S. |
| White | $70,734, see rank | $48,706 | $56,203 |
| American Indian, Alaska Native | $26,458, see rank | $28,419 | $37,469 |
| One Race, Other | $63,083, see rank | $41,036 | $40,405 |
| Two or More Races | $74,261, see rank | $33,988 | $46,787 |
ACS 2006-2010 data
| | Regional School Unit 21 | Maine | U.S. |
| White | $66,400, see rank | $47,412 | $54,999 |
| American Indian, Alaska Native | $24,063, see rank | $21,923 | $36,779 |
| One Race, Other | $60,703, see rank | $38,341 | $40,847 |
| Two or More Races | $67,727, see rank | $29,092 | $45,781 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
