Potomac, MD · standard
ZIP Code 20854
Montgomery County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 49,611
- 567/sq mi
- $250,001
- Median income
- $1,165,400
- Median home value
- 85.7%
- Bachelor's or higher
The verdict
Potomac pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 1%
- household income, US ZIPs
- Top 2%
- home value, US ZIPs
- 567
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20854 against every reporting US ZIP.
ZIP code 20854 is a densely settled ZIP (a standard USPS delivery area) in Potomac, Montgomery County, Maryland, with 49,611 residents across 87.5 square miles, a density of 567 people per square mile, in the New York time zone.
ZIP 20854 skews affluent, with a median household income of $250,001 (119% above the Maryland average), while per-capita income is $114,794. The poverty rate stands at 2.6% and the unemployment rate at 3.0%. Median home value sits at $1,165,400 (160% above the state average), median rent at $3,501 a month, and owner-occupancy at 89.4%.
This is a highly-educated ZIP: 85.7% of adults hold a bachelor's degree or higher, the median age is 47.7, and the average commute is 30 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 20854, plus 6 more within Montgomery 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 →
Top industries in ZIP 20854
Top 5 sectors by establishment count in Potomac, MD
Which industries have the most business establishments in ZIP 20854.
- Professional, scientific, and technical services
Professional, scientific, and technical services
403 establishments
- Health care and social assistance
Health care and social assistance
177 establishments
- Real estate and rental and leasing 116
Real estate and rental and leasing
116 establishments
- Other services (except public administration) 77
Other services (except public administration)
77 establishments
- Finance and insurance 70
Finance and insurance
70 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 20854, Potomac, 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
49,611
Population
87.5
Area (sq mi)
567
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20854?
47.7
Median Age
49.8%
Male
50.2%
Female
29.4%
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?
$250,001
Median Household Income
+119% vs state
$114,794
Per Capita Income
2.6%
Poverty Rate
3.0%
Unemployment Rate
29.6 min
Mean Commute Time
How ZIP 20854 ranks nationally
Potomac, MD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$250,001 Top 1% higher than 99% 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?
17,311
Total Housing Units
16,751
Occupied Units
560
Vacant Units
2.98
Avg Household Size
Occupancy Type
$1,165,400
Median Home Value
+160% vs state
$3,501
Median Rent
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+5.4%
YoY Change (2024)
264
HPI Index (2000 = 100)
+164%
Total Change Since 2000
Home values in ZIP 20854 have increased 5.4% over the past year (2024). Since 2000, this ZIP has seen +164% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.1% | 191 |
| 2021 | +7.7% | 206 |
| 2022 | +7.7% | 222 |
| 2023 | +12.8% | 250 |
| 2024 | +5.4% | 264 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 1,230 business establishments in ZIP 20854, employing approximately 12,073 people with a combined annual payroll of $775,964,000.
1,230
Businesses
12,073
Employees
$776.0M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 403 | 32.8% |
| Health care and social assistance | 177 | 14.4% |
| Real estate and rental and leasing | 116 | 9.4% |
| Other services (except public administration) | 77 | 6.3% |
| Finance and insurance | 70 | 5.7% |
| Construction | 69 | 5.6% |
| Accommodation and food services | 69 | 5.6% |
| Retail trade | 53 | 4.3% |
| Administrative and support and waste management and remediation services | 45 | 3.7% |
| Educational services | 39 | 3.2% |
| Information | 32 | 2.6% |
| Wholesale trade | 31 | 2.5% |
| Arts, entertainment, and recreation | 27 | 2.2% |
| Transportation and warehousing | 7 | 0.6% |
| Management of companies and enterprises | 7 | 0.6% |
| Manufacturing | 5 | 0.4% |
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 20854 vs 22102 →
ZIP 20854 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20878
Gaithersburg (20878)
62,446 residents
- 20854
Potomac (20854)
49,611 residents
- 20850
Rockville (20850)
46,340 residents
- 20852
Rockville (20852)
40,365 residents
- 20817
Bethesda (20817)
36,240 residents
- 20877
Gaithersburg (20877)
34,321 residents
- 22102 21,985
Mc Lean (22102)
21,985 residents
- 22066 18,099
Great Falls (22066)
18,099 residents
- 20818 1,962
Cabin John (20818)
1,962 residents
What this shows Among its immediate neighbors, ZIP 20854 ranks #2 by population - useful context the national average alone can't give.
ZIP 20854 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20854
Potomac (20854)
$250,001 median income
- 20896
Garrett Park (20896)
$250,001 median income
- 22066
Great Falls (22066)
$250,001 median income
- 20817
Bethesda (20817)
$249,332 median income
- 20818
Cabin John (20818)
$245,982 median income
- 22102
Mc Lean (22102)
$153,949 median income
- 20878
Gaithersburg (20878)
$144,313 median income
- 20850
Rockville (20850)
$125,950 median income
- 20852
Rockville (20852)
$122,472 median income
What this shows By household income, ZIP 20854 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 22102 | Mc Lean, VA | 21,985 | 5.9 mi |
| 20850 | Rockville, MD | 46,340 | 4.5 mi |
| 22066 | Great Falls, VA | 18,099 | 4.6 mi |
| 20817 | Bethesda, MD | 36,240 | 4.6 mi |
| 20878 | Gaithersburg, MD | 62,446 | 5.7 mi |
| 20852 | Rockville, MD | 40,365 | 5.3 mi |
| 20899 | Gaithersburg, MD | 142 | 7.6 mi |
| 20818 | Cabin John, MD | 1,962 | 5.2 mi |
| 20896 | Garrett Park, MD | 906 | 6.8 mi |
| 20877 | Gaithersburg, MD | 34,321 | 7.6 mi |
More ZIP Codes in Montgomery County
Related Areas
Frequently Asked Questions
What county is ZIP code 20854 in? ▼
What is the population of ZIP code 20854? ▼
What is the median household income in ZIP 20854? ▼
What is the average home value in ZIP 20854? ▼
What is the demographic makeup of ZIP 20854? ▼
How many businesses are in ZIP code 20854? ▼
What are the main industries in ZIP code 20854? ▼
How have home values changed in ZIP code 20854? ▼
What is the education level in ZIP code 20854? ▼
What is the average commute time in ZIP 20854? ▼
What percentage of residents own vs. rent in ZIP 20854? ▼
What is the poverty rate in ZIP code 20854? ▼
Read our methodology to see how this data is sourced, computed, and verified.