Census ACS B12007 estimates the median age at first marriage from the distribution of marital status by age. It is not the average age of people who married during the year.

Source sex categories are retained. A median is not a mean. Sampling uncertainty is shown as a 90% margin of error.

Measure definition and provenance Unit, denominator, population and source terms
Unit
person
Universe
Population aged 15 to 54; female category
Denominator
Not a rate; a median in years
Geography basis
residence
Product
ACS 1-year
Reference period
calendar year
Source & terms
U.S. Census Bureau — American Community Survey · U.S. federal statistical data; source attribution and no endorsement

Median age at first marriage (female)

United States

Age in years; ACS 1-year estimates

Median age at first marriage (female), United StatesTrend from 2021 to 2024. Exact values and source notes are in the table below. Whiskers show 90% margins of error when available.27282930313220212022202320242021: 28.6 ± 0.202022: 28.6 ± 0.102023: 28.7 ± 0.202024: 28.8 ± 0.20
Source: U.S. Census Bureau — American Community Survey. 2021–2024. 90% margins of error shown. Definitions & data
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View data table and reporting notes
Population aged 15 to 54; female category. Not a rate; a median in years. Source: U.S. Census Bureau — American Community Survey.
YearMedian age at first marriage (female)Notes
202128.6 ± 0.20—
202228.6 ± 0.10—
202328.7 ± 0.20—
202428.8 ± 0.20—

Download this release

208 observations, including explicitly missing records. CSV retains scope and attribution; JSON includes calculation inputs and flags.

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Source: U.S. Census Bureau, ACS 1-year estimates. Calculations identified as CouplesData.

Interpretation and revisions

Source sex categories are retained. A median is not a mean. Sampling uncertainty is shown as a 90% margin of error.

MOEs use 90% confidence. Derived proportions use Census approximation formulas; national medians are imported directly, not calculated from states.

Initial publication: October 1, 2026. Corrections log. Review was assisted by automation and is not an independent expert review.