Crisfield, MD · standard
ZIP Code 21817
Somerset County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,236
- 138/sq mi
- $55,720
- Median income
- $161,000
- Median home value
- 25.6%
- Bachelor's or higher
The verdict
Crisfield pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 22th pct
- household income, US ZIPs
- 30th pct
- home value, US ZIPs
- 138
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21817 against every reporting US ZIP.
ZIP code 21817 is classified by USPS as a standard delivery area and covers roughly 37.9 square miles in Crisfield, Somerset County, Maryland. The area is home to 5,236 residents, producing a population density of 138 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 21817 against Maryland and the nation.
On the economic side, the median household income for ZIP 21817 sits at $55,720 (51% below the Maryland average), while per-capita income is $33,667. The poverty rate stands at 15.4% and the unemployment rate at 8.2%. On housing, the median home value is $161,000 (64% below the state average) with median rent at $766 per month, and 73.1% of occupied units are owner-occupied, a direct signal of whether 21817 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 25.6% of adults hold a bachelor's degree or higher, the median age is 42.1, and the average commute is 26 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Somerset County, so you can benchmark 21817 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 21817
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21817.
- Retail trade
Retail trade
20 establishments
- Other services (except public administration)
Other services (except public administration)
19 establishments
- Construction
Construction
13 establishments
- Accommodation and food services
Accommodation and food services
10 establishments
- Manufacturing 6
Manufacturing
6 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 21817, Crisfield, 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
5,236
Population
37.9
Area (sq mi)
138
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21817?
42.1
Median Age
47.9%
Male
52.1%
Female
2.6%
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?
$55,720
Median Household Income
-51% vs state
$33,667
Per Capita Income
15.4%
Poverty Rate
8.2%
Unemployment Rate
26.4 min
Mean Commute Time
How ZIP 21817 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$55,720 22nd percentile higher than 22% 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?
2,554
Total Housing Units
1,925
Occupied Units
629
Vacant Units
2.26
Avg Household Size
Occupancy Type
$161,000
Median Home Value
-64% vs state
$766
Median Rent
1971
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
+13.1%
YoY Change (2024)
200
HPI Index (2000 = 100)
+100%
Total Change Since 2000
Home values in ZIP 21817 have increased 13.1% over the past year (2024). Since 2000, this ZIP has seen +100% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +13.0% | 139 |
| 2021 | +5.1% | 147 |
| 2022 | +13.9% | 167 |
| 2023 | +5.9% | 177 |
| 2024 | +13.1% | 200 |
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 102 business establishments in ZIP 21817, employing approximately 1,179 people with a combined annual payroll of $49,500,000.
102
Businesses
1,179
Employees
$49.5M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 20 | 19.6% |
| Other services (except public administration) | 19 | 18.6% |
| Construction | 13 | 12.8% |
| Accommodation and food services | 10 | 9.8% |
| Manufacturing | 6 | 5.9% |
| Health care and social assistance | 6 | 5.9% |
| Wholesale trade | 4 | 3.9% |
| Finance and insurance | 4 | 3.9% |
| Real estate and rental and leasing | 4 | 3.9% |
| Professional, scientific, and technical services | 4 | 3.9% |
| Agriculture, forestry, fishing and hunting | 3 | 2.9% |
| Transportation and warehousing | 3 | 2.9% |
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 21817 vs 21838 →
ZIP 21817 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21817
Crisfield (21817)
5,236 residents
- 21871
Westover (21871)
2,124 residents
- 21838 1,736
Marion Station (21838)
1,736 residents
- 23427 243
Saxis (23427)
243 residents
- 21867 114
Upper Fairmount (21867)
114 residents
What this shows Among its immediate neighbors, ZIP 21817 ranks the most populous — useful context the national average alone can't give.
ZIP 21817 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21838
Marion Station (21838)
$88,438 median income
- 21817
Crisfield (21817)
$55,720 median income
- 21871
Westover (21871)
$50,524 median income
What this shows By household income, ZIP 21817 ranks #2 of 3 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Somerset County
Related Areas
Frequently Asked Questions
What county is ZIP code 21817 in? ▼
What is the population of ZIP code 21817? ▼
What is the median household income in ZIP 21817? ▼
What is the average home value in ZIP 21817? ▼
What is the demographic makeup of ZIP 21817? ▼
How many businesses are in ZIP code 21817? ▼
What are the main industries in ZIP code 21817? ▼
How have home values changed in ZIP code 21817? ▼
What is the education level in ZIP code 21817? ▼
What is the average commute time in ZIP 21817? ▼
What percentage of residents own vs. rent in ZIP 21817? ▼
What is the poverty rate in ZIP code 21817? ▼
ZIP Code Research Guides
Official Data Resources for Crisfield, 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.