Trappe, MD · standard
ZIP Code 21673
Talbot County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,136
- 23/sq mi
- $68,194
- Median income
- $363,100
- Median home value
- 31.3%
- Bachelor's or higher
The verdict
Trappe pairs a below-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- 44th pct
- household income, US ZIPs
- Top 25%
- home value, US ZIPs
- 23
- people per sq mi
- 75%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21673 against every reporting US ZIP.
ZIP code 21673 is classified by USPS as a standard delivery area and covers roughly 134.0 square miles in Trappe, Talbot County, Maryland. The area is home to 3,136 residents, producing a population density of 23 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 21673 against Maryland and the nation.
On the economic side, the median household income for ZIP 21673 sits at $68,194 (40% below the Maryland average), while per-capita income is $62,912. The poverty rate stands at 7.4% and the unemployment rate at 5.5%. On housing, the median home value is $363,100 (19% below the state average) with median rent at $1,338 per month, and 75.1% of occupied units are owner-occupied, a direct signal of whether 21673 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 31.3% of adults hold a bachelor's degree or higher, the median age is 45.7, and the average commute is 28 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Talbot County, so you can benchmark 21673 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 21673
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21673.
- Construction
Construction
20 establishments
- Retail trade
Retail trade
11 establishments
- Real estate and rental and leasing 5
Real estate and rental and leasing
5 establishments
- Health care and social assistance 5
Health care and social assistance
5 establishments
- Transportation and warehousing 4
Transportation and warehousing
4 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 21673, Trappe, 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
3,136
Population
134.0
Area (sq mi)
23
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21673?
45.7
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?
$68,194
Median Household Income
-40% vs state
$62,912
Per Capita Income
7.4%
Poverty Rate
5.5%
Unemployment Rate
27.6 min
Mean Commute Time
How ZIP 21673 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$68,194 44th percentile higher than 44% 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?
1,539
Total Housing Units
1,203
Occupied Units
336
Vacant Units
2.35
Avg Household Size
Occupancy Type
$363,100
Median Home Value
-19% vs state
$1,338
Median Rent
1982
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
+14.2%
YoY Change (2024)
239
HPI Index (2000 = 100)
+139%
Total Change Since 2000
Home values in ZIP 21673 have increased 14.2% over the past year (2024). Since 2000, this ZIP has seen +139% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -1.7% | 152 |
| 2021 | +9.0% | 165 |
| 2022 | +16.3% | 192 |
| 2023 | +8.8% | 209 |
| 2024 | +14.2% | 239 |
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 66 business establishments in ZIP 21673, employing approximately 378 people with a combined annual payroll of $17,941,000.
66
Businesses
378
Employees
$17.9M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 20 | 30.3% |
| Retail trade | 11 | 16.7% |
| Real estate and rental and leasing | 5 | 7.6% |
| Health care and social assistance | 5 | 7.6% |
| Transportation and warehousing | 4 | 6.1% |
| Administrative and support and waste management and remediation services | 4 | 6.1% |
| Accommodation and food services | 4 | 6.1% |
| Other services (except public administration) | 3 | 4.5% |
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 21673 vs 21654 →
ZIP 21673 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21601
Easton (21601)
23,597 residents
- 21655 5,009
Preston (21655)
5,009 residents
- 21673 3,136
Trappe (21673)
3,136 residents
- 21631 2,731
East New Market (21631)
2,731 residents
- 21654 1,236
Oxford (21654)
1,236 residents
- 21664 539
Secretary (21664)
539 residents
- 21835 507
Linkwood (21835)
507 residents
- 21653 114
Newcomb (21653)
114 residents
What this shows Among its immediate neighbors, ZIP 21673 ranks #3 by population — useful context the national average alone can't give.
ZIP 21673 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21655
Preston (21655)
$90,385 median income
- 21601
Easton (21601)
$83,680 median income
- 21654
Oxford (21654)
$82,772 median income
- 21664
Secretary (21664)
$82,721 median income
- 21631
East New Market (21631)
$73,864 median income
- 21673
Trappe (21673)
$68,194 median income
- 21835
Linkwood (21835)
$47,083 median income
What this shows By household income, ZIP 21673 ranks #6 of 7 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Talbot County
Related Areas
Frequently Asked Questions
What county is ZIP code 21673 in? ▼
What is the population of ZIP code 21673? ▼
What is the median household income in ZIP 21673? ▼
What is the average home value in ZIP 21673? ▼
What is the demographic makeup of ZIP 21673? ▼
How many businesses are in ZIP code 21673? ▼
What are the main industries in ZIP code 21673? ▼
How have home values changed in ZIP code 21673? ▼
What is the education level in ZIP code 21673? ▼
What is the average commute time in ZIP 21673? ▼
What percentage of residents own vs. rent in ZIP 21673? ▼
What is the poverty rate in ZIP code 21673? ▼
ZIP Code Research Guides
Official Data Resources for Trappe, 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.