Clements, MD · standard
ZIP Code 20624
St. Mary's County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,282
- 39/sq mi
- $104,545
- Median income
- $430,600
- Median home value
- 11.7%
- Bachelor's or higher
The verdict
Clements pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 18%
- home value, US ZIPs
- 39
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20624 against every reporting US ZIP.
ZIP code 20624 is classified by USPS as a standard delivery area and covers roughly 32.6 square miles in Clements, St. Mary's County, Maryland. The area is home to 1,282 residents, producing a population density of 39 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 20624 against Maryland and the nation.
On the economic side, the median household income for ZIP 20624 sits at $104,545 (8% below the Maryland average), while per-capita income is $42,416. The poverty rate stands at 6.4% and the unemployment rate at 2.8%. On housing, the median home value is $430,600 (4% below the state average) with median rent at $1,299 per month, and 87.5% of occupied units are owner-occupied, a direct signal of whether 20624 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 11.7% of adults hold a bachelor's degree or higher, the median age is 41.3, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Mary's County, so you can benchmark 20624 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 20624
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 20624.
- Construction
Construction
11 establishments
- Transportation and warehousing
Transportation and warehousing
6 establishments
- Retail trade
Retail trade
5 establishments
- Other services (except public administration) 3
Other services (except public administration)
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 20624, Clements, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,282
Population
32.6
Area (sq mi)
39
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20624?
41.3
Median Age
52.8%
Male
47.2%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$104,545
Median Household Income
-8% vs state
$42,416
Per Capita Income
6.4%
Poverty Rate
2.8%
Unemployment Rate
How ZIP 20624 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$104,545 Top 16% higher than 84% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
302
Total Housing Units
296
Occupied Units
6
Vacant Units
2.69
Avg Household Size
Occupancy Type
$430,600
Median Home Value
-4% vs state
$1,299
Median Rent
1989
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 32 business establishments in ZIP 20624, employing approximately 131 people with a combined annual payroll of $6,600,000.
32
Businesses
131
Employees
$6.6M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 11 | 34.4% |
| Transportation and warehousing | 6 | 18.8% |
| Retail trade | 5 | 15.6% |
| Other services (except public administration) | 3 | 9.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 20624 vs 20621 →
ZIP 20624 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20659
Mechanicsville (20659)
23,498 residents
- 20650
Leonardtown (20650)
13,717 residents
- 20622 4,900
Charlotte Hall (20622)
4,900 residents
- 20621 1,373
Chaptico (20621)
1,373 residents
- 20624 1,282
Clements (20624)
1,282 residents
- 20609 1,120
Avenue (20609)
1,120 residents
- 20625 1,062
Cobb Island (20625)
1,062 residents
- 20618 607
Bushwood (20618)
607 residents
- 20606 431
Abell (20606)
431 residents
What this shows Among its immediate neighbors, ZIP 20624 ranks #5 by population — useful context the national average alone can't give.
ZIP 20624 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20650
Leonardtown (20650)
$143,116 median income
- 20622
Charlotte Hall (20622)
$124,063 median income
- 20659
Mechanicsville (20659)
$121,654 median income
- 20609
Avenue (20609)
$118,102 median income
- 20618
Bushwood (20618)
$105,508 median income
- 20624
Clements (20624)
$104,545 median income
- 20606
Abell (20606)
$88,262 median income
What this shows By household income, ZIP 20624 ranks #6 of 7 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20621 | Chaptico, MD | 1,373 | 3.2 mi |
| 20660 | Morganza, MD | 97 | 2.9 mi |
| 20606 | Abell, MD | 431 | 5.3 mi |
| 20609 | Avenue, MD | 1,120 | 4.4 mi |
| 20659 | Mechanicsville, MD | 23,498 | 5.8 mi |
| 20618 | Bushwood, MD | 607 | 4.7 mi |
| 20626 | Coltons Point, MD | 373 | 7.4 mi |
| 20650 | Leonardtown, MD | 13,717 | 7.1 mi |
| 20625 | Cobb Island, MD | 1,062 | 7.9 mi |
| 20622 | Charlotte Hall, MD | 4,900 | 10.0 mi |
More ZIP Codes in St. Mary's County
Related Areas
Frequently Asked Questions
What county is ZIP code 20624 in? ▼
What is the population of ZIP code 20624? ▼
What is the median household income in ZIP 20624? ▼
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What is the demographic makeup of ZIP 20624? ▼
How many businesses are in ZIP code 20624? ▼
What are the main industries in ZIP code 20624? ▼
What is the education level in ZIP code 20624? ▼
What percentage of residents own vs. rent in ZIP 20624? ▼
What is the poverty rate in ZIP code 20624? ▼
ZIP Code Research Guides
Official Data Resources for Clements, MD
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.