How Many People Are Named Heydi?
An estimated 671 people in the United States have the first name Heydi. It is almost exclusively a female name. The average bearer is 17 years old, and Heydi peaked in popularity in 2008 with 43 births that year.
Below you will find a full statistical profile of Heydi as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Heydi paired with any surname.
Estimated Living Americans
671
About 1 in 510,811 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2008
43 births
Total Registered
680
since 1880
Gender Distribution for Heydi
Heydi is almost exclusively a female name. Out of 680 total births registered, 100.0% were female.
Heydi as a female name
Ranked #6,004 in 2024
20 female births in 2024
Peak: 2008 (43 births)
Heydi: Popularity Over Time
SSA records for Heydi span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 287 babies were registered. While Heydi is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Heydi by Decade
How has Heydi tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Heydi by State
Birth registrations for Heydi span all 5 states and territories in the SSA database. The highest counts are in California, Texas, Arizona. The lowest are in North Carolina, Florida, Arizona. On average, about 33 Heydis were registered per state.
Heydi + Last Name Combinations
How many people share a full name with Heydi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Heydi
Other first names starting with H with a similar number of bearers.
Heydi: Questions and Answers
How many people in the U.S. are named Heydi?
We estimate approximately 671 people named Heydi are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 510,811 Americans share this first name.
Is Heydi a common name?
Heydi is classified as "Very Rare" and is more popular than 87.2% of all first names in the SSA database. A total of 680 births have been registered with this name since 1880.
When was Heydi most popular?
Heydi reached peak popularity in 2008, when 43 babies were given this name. The average age of a living person named Heydi is approximately 17 years old, reflecting when the name was most commonly given.
Is Heydi a female name?
Heydi is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Heydi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Heydi Smith, Heydi Johnson, Heydi Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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