How Many People Are Named Sandi?
An estimated 8,113 people in the United States have the first name Sandi. It is almost exclusively a female name. The average bearer is 56 years old, and Sandi peaked in popularity in 1959 with 368 births that year.
Below you will find a full statistical profile of Sandi 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 Sandi paired with any surname.
Estimated Living Americans
8,113
About 1 in 42,248 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.8% confidence
Average Age
56
years old
Peak Year
1959
368 births
Total Registered
10,117
since 1880
Gender Distribution for Sandi
Sandi is almost exclusively a female name. Out of 10,117 total births registered, 99.8% were female.
Sandi as a male name
Ranked #10,323 in 2001
6 male births in 2001
Peak: 1999 (8 births)
Sandi as a female name
Ranked #17,206 in 2024
5 female births in 2024
Peak: 1959 (368 births)
Sandi: Popularity Over Time
SSA records for Sandi span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 1960s, when 3,103 babies were registered. Sandi has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Sandi by Decade
How has Sandi 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.
Sandi by State
Birth registrations for Sandi span all 43 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in West Virginia, South Dakota, Montana. On average, about 158 Sandis were registered per state.
Sandi + Last Name Combinations
How many people share a full name with Sandi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sandi
Other first names starting with S with a similar number of bearers.
Sandi: Questions and Answers
How many people in the U.S. are named Sandi?
We estimate approximately 8,113 people named Sandi 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 42,248 Americans share this first name.
Is Sandi a common name?
Sandi is classified as "Rare" and is more popular than 97.4% of all first names in the SSA database. A total of 10,117 births have been registered with this name since 1880.
When was Sandi most popular?
Sandi reached peak popularity in 1959, when 368 babies were given this name. The average age of a living person named Sandi is approximately 56 years old, reflecting when the name was most commonly given.
Is Sandi a female name?
Sandi is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Sandi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sandi Smith, Sandi Johnson, Sandi 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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