Ridge, MD · standard
ZIP Code 20680
St. Mary's County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,119
- 70/sq mi
- $397,500
- Median home value
- 29.0%
- Bachelor's or higher
The verdict
Ridge pairs upper-quartile home values, in a rural, renter-heavy area.
- Top 21%
- home value, US ZIPs
- 70
- people per sq mi
- 40%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20680 against every reporting US ZIP.
ZIP code 20680 is a sparsely populated ZIP (a standard USPS delivery area) in Ridge, St. Mary's County, Maryland, home to just 1,119 residents across 16.0 square miles, a density of 70 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 20680, but per-capita income is $25,412. Local economic indicators show a 37.7% poverty rate alongside 0.5% unemployment. The typical home here is valued at $397,500 (11% below the state average); renters pay a median of $1,592 monthly, and 39.9% of units are owner-occupied.
Educational attainment sits below the national norm: 29.0% of adults hold a bachelor's degree or higher, the median age is 33.6, and the average commute is -. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 20680, plus 6 more within St. Mary's County, give a clearer read than the national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 20680, Ridge, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,119
Population
16.0
Area (sq mi)
70
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20680?
33.6
Median Age
36.3%
Male
63.7%
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?
$25,412
Per Capita Income
37.7%
Poverty Rate
0.5%
Unemployment Rate
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?
288
Total Housing Units
288
Occupied Units
0
Vacant Units
2.29
Avg Household Size
Occupancy Type
$397,500
Median Home Value
-11% vs state
$1,592
Median Rent
1962
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 17 business establishments in ZIP 20680, employing approximately 126 people with a combined annual payroll of $4,326,000.
17
Businesses
126
Employees
$4.3M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 4 | 23.5% |
| Retail trade | 3 | 17.6% |
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 20680 vs 20628 →
ZIP 20680 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20653
Lexington Park (20653)
24,481 residents
- 20634 5,927
Great Mills (20634)
5,927 residents
- 20686 1,332
Saint Marys City (20686)
1,332 residents
- 20684 1,125
Saint Inigoes (20684)
1,125 residents
- 20680 1,119
Ridge (20680)
1,119 residents
- 20692 1,051
Valley Lee (20692)
1,051 residents
- 20674 830
Piney Point (20674)
830 residents
- 20628 594
Dameron (20628)
594 residents
- 20667 494
Park Hall (20667)
494 residents
What this shows Among its immediate neighbors, ZIP 20680 ranks #5 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20628 | Dameron, MD | 594 | 2.7 mi |
| 20687 | Scotland, MD | 313 | 2.9 mi |
| 20684 | Saint Inigoes, MD | 1,125 | 2.8 mi |
| 20686 | Saint Marys City, MD | 1,332 | 5.5 mi |
| 20630 | Drayden, MD | 348 | 6.4 mi |
| 20674 | Piney Point, MD | 830 | 7.1 mi |
| 20667 | Park Hall, MD | 494 | 8.1 mi |
| 20653 | Lexington Park, MD | 24,481 | 8.7 mi |
| 20692 | Valley Lee, MD | 1,051 | 8.5 mi |
| 20634 | Great Mills, MD | 5,927 | 11.2 mi |
More ZIP Codes in St. Mary's County
Related Areas
Frequently Asked Questions
What county is ZIP code 20680 in? ▼
What is the population of ZIP code 20680? ▼
What is the average home value in ZIP 20680? ▼
What is the demographic makeup of ZIP 20680? ▼
How many businesses are in ZIP code 20680? ▼
What is the education level in ZIP code 20680? ▼
What percentage of residents own vs. rent in ZIP 20680? ▼
What is the poverty rate in ZIP code 20680? ▼
Read our methodology to see how this data is sourced, computed, and verified.