ZIP Code 21222
standardSource:
Dundalk · Baltimore County · Maryland
- Population
- 55,786
- Median income
- $64,141
- Median home value
- $215,900
- Bachelor's or higher
- 14.9%
- Land area
- 28.4 sq mi
1,965/sq mi
▼ 16% vs US
higher than 37% of US ZIPs
▼ 22% vs US
higher than 48% of US ZIPs
Median age 36.4
New York
ZIP code 21222 in Dundalk, Maryland has a population of 55,786. The median household income is $64,141, which is 16% below the national average. Median home value is $215,900, 22% below the US average. 14.9% of residents hold a bachelor's degree or higher.
ZIP code 21222 is classified by USPS as a standard delivery area and covers roughly 28.4 square miles in Dundalk, Baltimore County, Maryland. The area is home to 55,786 residents, producing a population density of 1,965 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 21222 against Maryland and the nation.
On the economic side, the median household income for ZIP 21222 sits at $64,141 (44% below the Maryland average), while per-capita income is $31,970. The poverty rate stands at 17.0% and the unemployment rate at 7.2%. On housing, the median home value is $215,900 (52% below the state average) with median rent at $1,444 per month, and 64.9% of occupied units are owner-occupied, a direct signal of whether 21222 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 14.9% of adults hold a bachelor's degree or higher, the median age is 36.4, and the average commute is 26 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21222 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 21222
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21222.
- Retail trade
Retail trade
130 establishments
- Construction
Construction
112 establishments
- Other services (except public administration)
Other services (except public administration)
99 establishments
- Accommodation and food services
Accommodation and food services
88 establishments
- Health care and social assistance
Health care and social assistance
66 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 21222, Dundalk, 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
55,786
Population
28.4
Area (sq mi)
1,965
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21222?
36.4
Median Age
48.5%
Male
51.5%
Female
9.7%
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?
$64,141
Median Household Income
-44% vs state
$31,970
Per Capita Income
17.0%
Poverty Rate
7.2%
Unemployment Rate
25.7 min
Mean Commute Time
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?
23,982
Total Housing Units
22,512
Occupied Units
1,470
Vacant Units
2.63
Avg Household Size
Occupancy Type
$215,900
Median Home Value
-52% vs state
$1,444
Median Rent
1955
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
+12.1%
YoY Change (2024)
258
HPI Index (2000 = 100)
+158%
Total Change Since 2000
Home values in ZIP 21222 have increased 12.1% over the past year (2024). Since 2000, this ZIP has seen +158% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.5% | 175 |
| 2021 | +13.4% | 198 |
| 2022 | +12.2% | 222 |
| 2023 | +3.7% | 230 |
| 2024 | +12.1% | 258 |
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 767 business establishments in ZIP 21222, employing approximately 10,114 people with a combined annual payroll of $526,286,000.
767
Businesses
10,114
Employees
$526.3M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 130 | 16.9% |
| Construction | 112 | 14.6% |
| Other services (except public administration) | 99 | 12.9% |
| Accommodation and food services | 88 | 11.5% |
| Health care and social assistance | 66 | 8.6% |
| Transportation and warehousing | 55 | 7.2% |
| Administrative and support and waste management and remediation services | 43 | 5.6% |
| Professional, scientific, and technical services | 38 | 5.0% |
| Real estate and rental and leasing | 37 | 4.8% |
| Wholesale trade | 28 | 3.6% |
| Finance and insurance | 25 | 3.3% |
| Manufacturing | 21 | 2.7% |
| Educational services | 9 | 1.2% |
| Arts, entertainment, and recreation | 9 | 1.2% |
| Information | 6 | 0.8% |
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 21222 vs 21224 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21224 | Baltimore, MD | 49,134 | 2.8 mi |
| 21237 | Rosedale, MD | 30,059 | 5.1 mi |
| 21219 | Sparrows Point, MD | 9,379 | 3.4 mi |
| 21221 | Essex, MD | 42,154 | 3.5 mi |
| 21052 | Fort Howard, MD | 303 | 4.8 mi |
| 21205 | Baltimore, MD | 16,146 | 4.6 mi |
| 21206 | Baltimore, MD | 50,846 | 5.6 mi |
| 21231 | Baltimore, MD | 15,748 | 5.5 mi |
| 21226 | Curtis Bay, MD | 7,561 | 5.5 mi |
| 21230 | Baltimore, MD | 33,568 | 6.9 mi |
More ZIP Codes in Baltimore County
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Frequently Asked Questions
What county is ZIP code 21222 in? ▼
What is the population of ZIP code 21222? ▼
What is the median household income in ZIP 21222? ▼
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What is the demographic makeup of ZIP 21222? ▼
How many businesses are in ZIP code 21222? ▼
What are the main industries in ZIP code 21222? ▼
How have home values changed in ZIP code 21222? ▼
What is the education level in ZIP code 21222? ▼
What is the average commute time in ZIP 21222? ▼
What percentage of residents own vs. rent in ZIP 21222? ▼
What is the poverty rate in ZIP code 21222? ▼
ZIP Code Research Guides
Official Data Resources for Dundalk, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.