Chestertown, MD · standard
ZIP Code 21620
Kent County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 12,853
- 43/sq mi
- $80,530
- Median income
- $347,500
- Median home value
- 45.8%
- Bachelor's or higher
The verdict
Chestertown pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 37%
- household income, US ZIPs
- Top 27%
- home value, US ZIPs
- 43
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21620 against every reporting US ZIP.
ZIP code 21620 is classified by USPS as a standard delivery area and covers roughly 302.4 square miles in Chestertown, Kent County, Maryland. The area is home to 12,853 residents, producing a population density of 43 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 21620 against Maryland and the nation.
On the economic side, the median household income for ZIP 21620 sits at $80,530 (29% below the Maryland average), while per-capita income is $46,314. The poverty rate stands at 9.9% and the unemployment rate at 3.7%. On housing, the median home value is $347,500 (22% below the state average) with median rent at $1,249 per month, and 72.0% of occupied units are owner-occupied, a direct signal of whether 21620 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 45.8% of adults hold a bachelor's degree or higher, the median age is 42.5, and the average commute is 27 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Kent County, so you can benchmark 21620 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 21620
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21620.
- Health care and social assistance
Health care and social assistance
68 establishments
- Other services (except public administration)
Other services (except public administration)
56 establishments
- Retail trade
Retail trade
50 establishments
- Construction
Construction
45 establishments
- Accommodation and food services
Accommodation and food services
41 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 21620, Chestertown, 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
12,853
Population
302.4
Area (sq mi)
43
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21620?
42.5
Median Age
48.5%
Male
51.5%
Female
4.6%
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?
$80,530
Median Household Income
-29% vs state
$46,314
Per Capita Income
9.9%
Poverty Rate
3.7%
Unemployment Rate
27.2 min
Mean Commute Time
How ZIP 21620 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$80,530 Top 37% higher than 63% 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?
6,373
Total Housing Units
5,700
Occupied Units
673
Vacant Units
2.16
Avg Household Size
Occupancy Type
$347,500
Median Home Value
-22% vs state
$1,249
Median Rent
1980
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
+4.0%
YoY Change (2024)
256
HPI Index (2000 = 100)
+156%
Total Change Since 2000
Home values in ZIP 21620 have increased 4.0% over the past year (2024). Since 2000, this ZIP has seen +156% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.9% | 171 |
| 2021 | +10.6% | 190 |
| 2022 | +13.3% | 215 |
| 2023 | +14.5% | 246 |
| 2024 | +4.0% | 256 |
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 420 business establishments in ZIP 21620, employing approximately 5,298 people with a combined annual payroll of $279,402,000.
420
Businesses
5,298
Employees
$279.4M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 68 | 16.2% |
| Other services (except public administration) | 56 | 13.3% |
| Retail trade | 50 | 11.9% |
| Construction | 45 | 10.7% |
| Accommodation and food services | 41 | 9.8% |
| Professional, scientific, and technical services | 38 | 9.1% |
| Administrative and support and waste management and remediation services | 27 | 6.4% |
| Finance and insurance | 16 | 3.8% |
| Real estate and rental and leasing | 15 | 3.6% |
| Manufacturing | 14 | 3.3% |
| Arts, entertainment, and recreation | 12 | 2.9% |
| Wholesale trade | 11 | 2.6% |
| Educational services | 10 | 2.4% |
| Information | 7 | 1.7% |
| Transportation and warehousing | 5 | 1.2% |
| Agriculture, forestry, fishing and hunting | 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 21620 vs 21678 →
ZIP 21620 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21620
Chestertown (21620)
12,853 residents
- 21661 2,653
Rock Hall (21661)
2,653 residents
- 21678 2,301
Worton (21678)
2,301 residents
- 21623 2,111
Church Hill (21623)
2,111 residents
- 21645 1,039
Kennedyville (21645)
1,039 residents
- 21667 310
Still Pond (21667)
310 residents
What this shows Among its immediate neighbors, ZIP 21620 ranks the most populous — useful context the national average alone can't give.
ZIP 21620 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21661
Rock Hall (21661)
$90,492 median income
- 21645
Kennedyville (21645)
$86,118 median income
- 21620
Chestertown (21620)
$80,530 median income
- 21623
Church Hill (21623)
$78,345 median income
- 21678
Worton (21678)
$71,023 median income
- 21667
Still Pond (21667)
$64,122 median income
What this shows By household income, ZIP 21620 ranks #3 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Kent County
Related Areas
Frequently Asked Questions
What county is ZIP code 21620 in? ▼
What is the population of ZIP code 21620? ▼
What is the median household income in ZIP 21620? ▼
What is the average home value in ZIP 21620? ▼
What is the demographic makeup of ZIP 21620? ▼
How many businesses are in ZIP code 21620? ▼
What are the main industries in ZIP code 21620? ▼
How have home values changed in ZIP code 21620? ▼
What is the education level in ZIP code 21620? ▼
What is the average commute time in ZIP 21620? ▼
What percentage of residents own vs. rent in ZIP 21620? ▼
What is the poverty rate in ZIP code 21620? ▼
ZIP Code Research Guides
Official Data Resources for Chestertown, 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.