People with the first name Jo
57,903
About 1 in 5,724 Americans had this first name in the 2020 Census.
Measured, privacy-protected national Census count—not a total of historical baby-name records.
U.S. first-name statistics
How common is Jo?
Jo was the #818 most frequent first name in the 2020 Census.
National rank
#818
More common than 98.5% of listed first names
Peak year
1954
8,077 SSA-recorded births
2025 births
44
#6,105 across first names
Census frequency
1 in 5,724
Across the 2020 U.S. population
Sex distribution
Reported in the 2020 Census first-name table.
5.3% male94.7% female
Demographic distribution
Aggregated race and Hispanic-origin reporting in the 2020 Census name table.
Reading the result
Jo across two different records
The Census count answers “how many people had this name?” using a national snapshot of living residents in 2020. The SSA series answers “when was this name popular?” using Social Security card applications associated with births.
Jo reached its highest published annual SSA count in 1954, with 8,077 recorded births. In 2025, SSA recorded 44 babies with the name.
Names do not determine a person’s identity. Demographic percentages above describe national aggregates and should never be applied to an individual.
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