Someone asked. From the 2004 "CIA Factbook" entry on Greenland, data last update November 30, 2004:

Population:
        
56,384 (July 2004 est.)

Age structure:

0-14 years: 25.5% (male 7,344; female 7,029)
15-64 years: 68.5% (male 20,894; female 17,715)
65 years and over: 6% (male 1,585; female 1,817) (2004 est.)

Median age:

total: 33.5 years
male: 34.8 years
female: 31.9 years (2004 est.)

Population growth rate:

-0.01% (2004 est.)

Birth rate:

15.96 births/1,000 population (2004 est.)

Death rate:

7.7 deaths/1,000 population (2004 est.)

Net migration rate:

-8.37 migrant(s)/1,000 population (2004 est.)

Sex ratio:

at birth: 1.02 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.18 male(s)/female
65 years and over: 0.87 male(s)/female
total population: 1.12 male(s)/female (2004 est.)

Infant mortality rate:

total: 16.31 deaths/1,000 live births
male: 17.62 deaths/1,000 live births
female: 14.96 deaths/1,000 live births (2004 est.)

Life expectancy at birth:

total population: 69.32 years
male: 65.75 years
female: 72.98 years (2004 est.)

Total fertility rate:

2.42 children born/woman (2004 est.)