Vermont's population in 2003 was estimated at 619,116. This was a 1.7 percent increase from the 2000 Census count of 608,827, and an increase of 3,505 people from the 2002 estimate of 615,611.
The age-sex distribution of Vermont is illustrated in Figure 3. The largest segment of the population is the 40 to 49 year old age group, and the fastest growing segment of the population is the 45-64 year old age group. The sex distribution of Vermonters shows males outnumbered females up to age 29, and females slightly outnumbered males from age 30 to 69. After age 70, females outnumbered males by an increasing margin.
The 2003 population estimates were produced for the Vermont Department of Health by Claritas, Inc.