Independent community site, not affiliated with any government.
SL

St. Leonard, Maryland

Census designated place in Calvert County, Maryland · ZIP 20685

  • Calvert County
  • Census data · ACS 2019-2023
  • 1 public schools
  • 562 (2019-2023 estimate)Population
  • 194Households
  • $188,056Median household income
  • $489,500Median home value
  • 1Public schools
  • 1ZIP codes

About St. Leonard

This page shows only what has been published about St. Leonard: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020+45.1%
5006007008002000: 53620002010: 74220102020: 7782020536778
Population of St. Leonard at each census
CensusPopulation
2000536
2010742
2020778

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 24, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 24, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 24, retrieved November 14, 2026.

Household income in St. Leonard
Under $50k5.2%
$50k to $100k10.3%
$100k to $150k14.4%
$150k to $200k23.7%
$200k and over46.4%

Median household income $188,056 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 24, retrieved November 14, 2026.

Housing tenure in St. Leonard
Owner occupied
186 units
Renter occupied
8 units
Vacancy rate
0%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 24, retrieved November 14, 2026.

St. Leonard compared with its county and state
St. Leonard compared with its county and state, American Community Survey 2019-2023
MeasureSt. LeonardCalvert CountyMaryland
Population56293,7916,170,738
Median household income$188,056$132,059$101,652
Median age44.840.539.3
Median home value$489,500$440,200$397,700
Bachelor’s degree or higher23.4%35.3%42.7%
Foreign-born residents8.7%3.7%16.3%
Owner-occupied homes95.9%87.2%67.5%
Mean commute to work42.7 minutes40.7 minutes31.5 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 24, retrieved November 14, 2026.

CommunityRules and moderation

Log in to post in St. Leonard.
Latest in St. LeonardEvery post is checked before neighbours see it.

Loading…

Events in St. LeonardAll events

Coming up in St. LeonardAll events

No upcoming event is listed in St. Leonard yet. Members and businesses add events from the Events page; each is screened before it shows.

Schools

Public schools in St. Leonard1
Public schools in St. Leonard, NCES directory 2023–2024
SchoolTypeGradesDistrict
St Leonard ElementaryPublicPre-K–5Calvert County Public Schools

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about St. LeonardPromoted from questions people asked

No question about St. Leonard has been asked often enough to publish an answer yet. Ask St. Leonard and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Calvert County

All towns in Calvert County