ZIP codes
2
St. Leonard, MD Demographics & ZIP Codes
St. Leonard, Maryland demographics and median household income by ZIP code (in Calvert County) — 2 ZIP codes — population 9,893 — median income $136,488 — avg. home value $451,500. Compare income, housing, and population across ZIP codes on US5.
Population
9,893
Median household income (avg.)
$136,488
182% of U.S. median
Average home value
$451,500
130% of U.S. median
Average rent
$1,483
128% of U.S. median
Median age (avg.)
48.0
St. Leonard demographics
St. Leonard, Maryland covers 2 ZIP codes primarily in Calvert County, with a combined ZIP-area population of about 9,893.
Across ZIP codes with age data, the average median age is about 48.0 years.
Median household income in St. Leonard
The average median household income across ZIP codes in St. Leonard, Maryland is about $136,488 — about 22% above the MD ZIP average ($111,660), and about 82% above the U.S. median ($75,149).
Among ZIPs with income data, 20676 is near the top at about $150,916, while 20685 is near the bottom at about $122,059.
Housing in St. Leonard
For housing in St. Leonard, Maryland, the average median home value is about $451,500 and the average median rent is about $1,483.
The most populous ZIP in this set is 20685 (about 6,481 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in St. Leonard
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 20685 | St. Leonard | Calvert County | MD | 6,481 | $122,059 | $431,200 |
| 20676 | St. Leonard | Calvert County | MD | 3,412 | $150,916 | $471,800 |
Frequently asked questions
What are the demographics of St. Leonard?
St. Leonard, Maryland has a combined ZIP-area population of about 9,893 across 2 ZIP codes (primarily Calvert County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in St. Leonard?
The average median household income across ZIP codes in St. Leonard, Maryland is about $136,488, about 22% above the state ZIP average ($111,660), and about 82% above the U.S. median ($75,149). Average median home value is about $451,500. Among ZIPs with data, 20676 is near the top ($150,916) and 20685 is near the bottom ($122,059).
How many ZIP codes are in St. Leonard?
St. Leonard, Maryland includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Leonard?
This page lists ZIP codes in St. Leonard, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.