Queen Anne, MD · standard
ZIP Code 21657
Queen Anne's County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 777
- 12/sq mi
- $104,940
- Median income
- $359,500
- Median home value
- 20.9%
- Bachelor's or higher
The verdict
Queen Anne pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 25%
- home value, US ZIPs
- 12
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21657 against every reporting US ZIP.
ZIP code 21657 is a sparsely populated ZIP (a standard USPS delivery area) in Queen Anne, Queen Anne's County, Maryland, home to just 777 residents across 64.2 square miles, a density of 12 people per square mile, in the New York time zone.
ZIP 21657 lands in the middle-income range, with a median household income of $104,940 (8% below the Maryland average), while per-capita income is $39,161. Poverty here runs at 7.0%, with unemployment measured at 0.0%. The typical home here is valued at $359,500 (20% below the state average); renters pay a median of $1,047 monthly, and 87.5% of units are owner-occupied.
Educational attainment sits below the national norm: 20.9% of adults hold a bachelor's degree or higher, the median age is 58.5, and the average commute is -. A geography-based comparison follows: 5 ZIP codes within about 10 miles of 21657, plus 6 more within Queen Anne'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 →
Top industries in ZIP 21657
Top 5 sectors by establishment count in Queen Anne, MD
Which industries have the most business establishments in ZIP 21657.
- Construction
Construction
5 establishments
- Retail trade
Retail trade
5 establishments
- Manufacturing
Manufacturing
3 establishments
- Transportation and warehousing
Transportation and warehousing
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21657, Queen Anne, 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
777
Population
64.2
Area (sq mi)
12
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21657?
58.5
Median Age
48.3%
Male
51.7%
Female
8.3%
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?
$104,940
Median Household Income
-8% vs state
$39,161
Per Capita Income
7.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 21657 ranks nationally
Queen Anne, MD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$104,940 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?
532
Total Housing Units
522
Occupied Units
10
Vacant Units
2.59
Avg Household Size
Occupancy Type
$359,500
Median Home Value
-20% vs state
$1,047
Median Rent
1973
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
-0.6%
YoY Change (2024)
302
HPI Index (2000 = 100)
+202%
Total Change Since 2000
Home values in ZIP 21657 have decreased 0.6% over the past year (2024). Since 2000, this ZIP has seen +202% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.4% | 204 |
| 2021 | +17.0% | 239 |
| 2022 | +16.0% | 277 |
| 2023 | +9.3% | 303 |
| 2024 | -0.6% | 302 |
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 27 business establishments in ZIP 21657, employing approximately 216 people with a combined annual payroll of $11,325,000.
27
Businesses
216
Employees
$11.3M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 5 | 18.5% |
| Retail trade | 5 | 18.5% |
| Manufacturing | 3 | 11.1% |
| Transportation and warehousing | 3 | 11.1% |
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 21657 vs 21641 →
ZIP 21657 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21617
Centreville (21617)
9,907 residents
- 21660
Ridgely (21660)
4,063 residents
- 21625 2,719
Cordova (21625)
2,719 residents
- 21657 777
Queen Anne (21657)
777 residents
- 21679 483
Wye Mills (21679)
483 residents
- 21641 117
Hillsboro (21641)
117 residents
What this shows Among its immediate neighbors, ZIP 21657 ranks #4 by population - useful context the national average alone can't give.
ZIP 21657 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21679
Wye Mills (21679)
$119,821 median income
- 21617
Centreville (21617)
$116,898 median income
- 21657
Queen Anne (21657)
$104,940 median income
- 21625
Cordova (21625)
$83,250 median income
- 21660
Ridgely (21660)
$80,469 median income
- 21641
Hillsboro (21641)
$66,875 median income
What this shows By household income, ZIP 21657 ranks #3 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
More ZIP Codes in Queen Anne's County
Related Areas
Frequently Asked Questions
What county is ZIP code 21657 in? ▼
What is the population of ZIP code 21657? ▼
What is the median household income in ZIP 21657? ▼
What is the average home value in ZIP 21657? ▼
What is the demographic makeup of ZIP 21657? ▼
How many businesses are in ZIP code 21657? ▼
What are the main industries in ZIP code 21657? ▼
How have home values changed in ZIP code 21657? ▼
What is the education level in ZIP code 21657? ▼
What percentage of residents own vs. rent in ZIP 21657? ▼
What is the poverty rate in ZIP code 21657? ▼
Read our methodology to see how this data is sourced, computed, and verified.