Stevensville, MD · standard
ZIP Code 21666
Queen Anne's County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 12,309
- 217/sq mi
- $123,645
- Median income
- $494,300
- Median home value
- 40.9%
- Bachelor's or higher
The verdict
Stevensville pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- Top 13%
- home value, US ZIPs
- 217
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21666 against every reporting US ZIP.
ZIP code 21666 is classified by USPS as a standard delivery area and covers roughly 56.7 square miles in Stevensville, Queen Anne's County, Maryland. The area is home to 12,309 residents, producing a population density of 217 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 21666 against Maryland and the nation.
On the economic side, the median household income for ZIP 21666 sits at $123,645 (8% above the Maryland average), while per-capita income is $61,123. The poverty rate stands at 3.9% and the unemployment rate at 4.5%. On housing, the median home value is $494,300 (10% above the state average) with median rent at $1,764 per month, and 84.6% of occupied units are owner-occupied, a direct signal of whether 21666 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 40.9% of adults hold a bachelor's degree or higher, the median age is 46, and the average commute is 31 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Queen Anne's County, so you can benchmark 21666 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 21666
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21666.
- Construction
Construction
71 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
58 establishments
- Health care and social assistance
Health care and social assistance
48 establishments
- Other services (except public administration)
Other services (except public administration)
42 establishments
- Retail trade
Retail trade
36 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 21666, Stevensville, 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
12,309
Population
56.7
Area (sq mi)
217
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21666?
46.0
Median Age
50.2%
Male
49.8%
Female
3.1%
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?
$123,645
Median Household Income
+8% vs state
$61,123
Per Capita Income
3.9%
Poverty Rate
4.5%
Unemployment Rate
31.1 min
Mean Commute Time
How ZIP 21666 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$123,645 Top 8% higher than 92% 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?
5,835
Total Housing Units
5,555
Occupied Units
280
Vacant Units
2.59
Avg Household Size
Occupancy Type
$494,300
Median Home Value
+10% vs state
$1,764
Median Rent
1988
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
+6.7%
YoY Change (2024)
261
HPI Index (2000 = 100)
+161%
Total Change Since 2000
Home values in ZIP 21666 have increased 6.7% over the past year (2024). Since 2000, this ZIP has seen +161% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.8% | 191 |
| 2021 | +10.9% | 212 |
| 2022 | +9.2% | 231 |
| 2023 | +5.9% | 245 |
| 2024 | +6.7% | 261 |
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 439 business establishments in ZIP 21666, employing approximately 4,506 people with a combined annual payroll of $264,969,000.
439
Businesses
4,506
Employees
$265.0M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 71 | 16.2% |
| Professional, scientific, and technical services | 58 | 13.2% |
| Health care and social assistance | 48 | 10.9% |
| Other services (except public administration) | 42 | 9.6% |
| Retail trade | 36 | 8.2% |
| Administrative and support and waste management and remediation services | 34 | 7.7% |
| Wholesale trade | 30 | 6.8% |
| Accommodation and food services | 29 | 6.6% |
| Manufacturing | 22 | 5.0% |
| Finance and insurance | 18 | 4.1% |
| Real estate and rental and leasing | 16 | 3.6% |
| Transportation and warehousing | 12 | 2.7% |
| Arts, entertainment, and recreation | 10 | 2.3% |
| Information | 8 | 1.8% |
| Educational services | 3 | 0.7% |
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 21666 vs 21619 →
ZIP 21666 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21409
Annapolis (21409)
20,064 residents
- 21666
Stevensville (21666)
12,309 residents
- 21619 5,848
Chester (21619)
5,848 residents
- 21402 5,217
Annapolis (21402)
5,217 residents
- 21638 4,934
Grasonville (21638)
4,934 residents
- 21647 289
Mcdaniel (21647)
289 residents
- 21056 267
Gibson Island (21056)
267 residents
- 21624 143
Claiborne (21624)
143 residents
What this shows Among its immediate neighbors, ZIP 21666 ranks #2 by population — useful context the national average alone can't give.
ZIP 21666 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21056
Gibson Island (21056)
$250,001 median income
- 21409
Annapolis (21409)
$147,151 median income
- 21638
Grasonville (21638)
$140,086 median income
- 21666
Stevensville (21666)
$123,645 median income
- 21647
Mcdaniel (21647)
$113,472 median income
- 21619
Chester (21619)
$107,639 median income
- 21624 $89,375
Claiborne (21624)
$89,375 median income
- 21402 $80,893
Annapolis (21402)
$80,893 median income
What this shows By household income, ZIP 21666 ranks #4 of 8 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 21666 in? ▼
What is the population of ZIP code 21666? ▼
What is the median household income in ZIP 21666? ▼
What is the average home value in ZIP 21666? ▼
What is the demographic makeup of ZIP 21666? ▼
How many businesses are in ZIP code 21666? ▼
What are the main industries in ZIP code 21666? ▼
How have home values changed in ZIP code 21666? ▼
What is the education level in ZIP code 21666? ▼
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What percentage of residents own vs. rent in ZIP 21666? ▼
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ZIP Code Research Guides
Official Data Resources for Stevensville, 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.