Feminine dossier · first seen 1880
Althea
Stable
Cross-generational persistence
Peak era
1956
Peak births
388
Current vitality
Fragile
Peak generation
Boomer
Quick answers about Althea
How many people are named Althea?
An estimated 8,498 living Americans are named Althea.
How rare is Althea?
Althea is uncommon among babies today, with 171 girls receiving the name in 2025, down 55.9% from its 1956 peak.
How old is the typical Althea?
The median age of a living American named Althea is approximately 53 years, with most bearers falling between 17 and 68 years old.
Is Althea still popular?
Yes. Althea is holding steady, with 171 births in 2025 and a consistent recent baseline.
Where is Althea most common?
Althea has its strongest geographic signal in Maine, where it appears 9.4× more often than the national baseline.
1880Peak 19562025
Peak year
1956
Decline from peak
55.9%
2025
171
All-time
17,980
Where it lives now
Althea is most concentrated in Maine — about 8.7× the national rate in the 1930s.
States where Althea is given more often than the national average — its present-day heartland.