Leonardtown Population

1860–2026

5,153

2026 projection

12.9% since 2020 (increase)

01K2K3K4K5K6K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Leonardtown. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,153+1202.38%
20255,033+100.20%
20245,023+1152.34%
20234,908+691.43%
20224,839+1773.80%
20214,662+992.17%
20204,563+1232.77%
20194,440+1292.99%
20184,311+551.29%
20174,256+1152.78%

Showing 10 of 32 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Leonardtown is growing faster than St. Mary's County, Maryland, and the U.S.

  • Leonardtown+10.8%
  • United States+3.1%
  • St. Mary's County+2.4%
  • Maryland+1.4%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Leonardtown Demographics

38.3median age

Median age

Female39.7 yrs
Male38 yrs

Adults

3,377
659 seniors (65+) · 20% of adults2,718 other adults

Sex

Female 50.9% · 2,447Male 49.1% · 2,361

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 48 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Leonardtown Income

$153,819median household income

Median household income

$153,819

Half of households earn more, half earn less

Median earnings

$109,967

Typical yearly pay for a worker 25 or older.

Poverty rate

1.6%

About 1 in 62 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Leonardtown Marital Status

58% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married58%58%58%
Never married26%33%19%
Divorced4%5%3%
Widowed9%2%16%
Separated3%1%4%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201