PlainZIP

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 classified by USPS as a standard delivery area and covers roughly 64.2 square miles in Queen Anne, Queen Anne's County, Maryland. The area is home to 777 residents, producing a population density of 12 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 21657 against Maryland and the nation.

On the economic side, the median household income for ZIP 21657 sits at $104,940 (8% below the Maryland average), while per-capita income is $39,161. The poverty rate stands at 7.0% and the unemployment rate at 0.0%. On housing, the median home value is $359,500 (20% below the state average) with median rent at $1,047 per month, and 87.5% of occupied units are owner-occupied, a direct signal of whether 21657 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 20.9% of adults hold a bachelor's degree or higher, the median age is 58.5, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Queen Anne's County, so you can benchmark 21657 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 21657

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 21657.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 21657, Queen Anne, 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

777

Population

64.2

Area (sq mi)

12

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21657?

58.5

Median Age

48.3%

Male

51.7%

Female

8.3%

Foreign-Born

White 73.2%
African American 8.9%
Asian 4.7%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.7%
Hispanic or Latino 14.0%

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

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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 47.3%
Bachelor's Degree or Higher 20.9%

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

Owner 87.5%
Renter 12.5%

$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.

residents

What this shows Among its immediate neighbors, ZIP 21657 ranks #4 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21657 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21641 Hillsboro, MD 117 3.6 mi
21625 Cordova, MD 2,719 5.9 mi
21660 Ridgely, MD 4,063 5.1 mi
21679 Wye Mills, MD 483 6.0 mi
21617 Centreville, MD 9,907 7.0 mi

More ZIP Codes in Queen Anne's County

21666 standard
Stevensville, MD
Pop: 12,309
21617 standard
Centreville, MD
Pop: 9,907
21619 standard
Chester, MD
Pop: 5,848
21638 standard
Grasonville, MD
Pop: 4,934
21658 standard
Queenstown, MD
Pop: 3,862
21623 standard
Church Hill, MD
Pop: 2,111

Related Areas

Queen Anne's County Queen Anne, MD Maryland

Frequently Asked Questions

What county is ZIP code 21657 in? ▼
ZIP code 21657 (Queen Anne) is located in Queen Anne's County, Maryland. Queen Anne's County contains multiple ZIP codes, see the full list at /counties/queen-annes-md.
What is the population of ZIP code 21657? ▼
ZIP code 21657 in Queen Anne, MD has a population of 777 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21657? ▼
The median household income in ZIP 21657 is $104,940, which is 38% above the national average of $76,288.
What is the average home value in ZIP 21657? ▼
The median home value in ZIP 21657 is $359,500, which is 29% above the national average of $278,155.
What is the demographic makeup of ZIP 21657? ▼
The largest racial group in ZIP 21657 is White at 73.2%. Hispanic or Latino residents make up 14.0% of the population.
How many businesses are in ZIP code 21657? ▼
ZIP code 21657 has 27 business establishments employing approximately 216 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21657? ▼
The top industries by establishment count in ZIP 21657 are: Construction (5), Retail trade (5), Manufacturing (3). There are 4 industry sectors represented in total.
How have home values changed in ZIP code 21657? ▼
According to the FHFA House Price Index, home values in ZIP 21657 decreased by 0.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 202%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21657? ▼
In ZIP code 21657, 47.3% of residents aged 25+ have a high school diploma or higher, and 20.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 21657? ▼
In ZIP code 21657, approximately 87.5% of occupied housing units are owner-occupied and 12.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21657? ▼
The poverty rate in ZIP code 21657 is 7.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Queen Anne, MD

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.