ACS 2024 5-YEAR ESTIMATES↗ DIRECTIONAL CHANGE FROM 2021UPDATED JAN 29, 2026
COMMUTESHIFTHow America gets to work
COUNTY · MD · GEOID 240372024 5-YEAR

COMMUTE PROFILE

St. Mary's County, Maryland

Mean one-way trip29.9 min±1.5 min MOE
Worked from home17.5%±1.7 pp MOE
Drove alone72.2%±1.8 pp MOE
60+ minute trip13.2%among commuters

U.S. Census Bureau ACS estimates for residents age 16+ who work. Commute time excludes people working from home.

01 / THE SHIFT

What changed in the published estimate?

These periods overlap: 2021 covers 2017–2021 and 2024 covers 2020–2024. Changes are directional comparisons, not independent annual measurements.

Mean commute30.5 min → 29.9 min▼ 0.6 min

Average for workers who did not work from home.

Work from home10.7% → 17.5%▲ 6.8 pp

Share of workers age 16+ who usually worked from home.

Public transit1.3% → 0.9%▼ 0.4 pp

Public transportation excluding taxi.

Drive alone78.7% → 72.2%▼ 6.5 pp

Car, truck, or van—drove alone.

02 / MODE SHARE

How residents usually get to work

Drive alone72.2% ±1.8 pp
Carpool5.7% ±0.9 pp
Public transit0.9% ±0.3 pp
Walk2.8% ±0.8 pp
Bicycle0.1% ±0.1 pp
Work from home17.5% ±1.7 pp

Each share uses 59,087 estimated workers as its denominator. Categories shown here do not include every ACS mode.

03 / PEER CONTEXT

Compared with similar-size countys

Percentiles are single-metric context, never a “good commute” score.

87thMean commute percentile

Mean commute time is higher than about 87% of covered countys in the 100k–500k population band.

86thWork-from-home percentile

The work-from-home share is higher than about 86% of covered countys in the 100k–500k population band.

71thTransit percentile

The public-transit share is higher than about 71% of covered countys in the 100k–500k population band.

92th60+ minute percentile

The 60+ minute share is higher than about 92% of covered countys in the 100k–500k population band.

04 / ESTIMATE BASE

The counts behind the shares

Population estimate115,126± — MOE
Workers age 16+59,087± 1,233 MOE
Workers with travel time48,733± 1,448 MOE
Estimated home workers10,354± 1,050 MOE
Why the ± matters

ACS values are survey estimates. The margin of error is the 90% confidence interval published by the Census Bureau or calculated for a share from published component margins. Small differences can be sampling noise.