PlainZIP

Dundalk, MD · standard

ZIP Code 21222

Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

55,786
1,965/sq mi
$64,141
Median income
$215,900
Median home value
14.9%
Bachelor's or higher

The verdict

Dundalk pairs a below-median household income with below-median home values, in a low-density, homeowner-dominated and unusually populous area.

37th pct
household income, US ZIPs
48th pct
home value, US ZIPs
1,965
people per sq mi
65%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21222 against every reporting US ZIP.

ZIP code 21222 is a densely settled ZIP (a standard USPS delivery area) in Dundalk, Baltimore County, Maryland, with 55,786 residents across 28.4 square miles, a density of 1,965 people per square mile, in the New York time zone.

ZIP 21222 reports a modest median household income of $64,141 (44% below the Maryland average), while per-capita income is $31,970. 17.0% of residents live below the poverty line, and the unemployment rate reads 7.2%. The typical home here is valued at $215,900 (52% below the state average); renters pay a median of $1,444 monthly, and 64.9% of units are owner-occupied.

Formal educational attainment runs low here: just 14.9% of adults hold a bachelor's degree or higher, the median age is 36.4, and the average commute is 26 minutes. To put 21222 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Baltimore County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 21222

Top 5 sectors by establishment count in Dundalk, MD

Which industries have the most business establishments in ZIP 21222.

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 · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21222?

36.4

Median Age

48.5%

Male

51.5%

Female

9.7%

Foreign-Born

White 63.5%
African American 16.7%
Asian 2.0%
American Indian or Alaska Native 1.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.0%
Hispanic or Latino 15.0%

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

How ZIP 21222 ranks nationally

Dundalk, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$64,141 37th percentile higher than 37% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 55.7%
Bachelor's Degree or Higher 14.9%

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

Owner 64.9%
Renter 35.1%

$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 21222 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21222 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21222 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21222 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

21234 standard
Parkville, MD
Pop: 69,752
21117 standard
Owings Mills, MD
Pop: 53,778
21207 standard
Gwynn Oak, MD
Pop: 48,133
21228 standard
Catonsville, MD
Pop: 47,577
21221 standard
Essex, MD
Pop: 42,154
21220 standard
Middle River, MD
Pop: 39,199

Related Areas

Baltimore County Dundalk, MD Maryland

Frequently Asked Questions

What county is ZIP code 21222 in? ▼
ZIP code 21222 (Dundalk) is located in Baltimore County, Maryland. Baltimore County contains multiple ZIP codes, see the full list at /counties/baltimore-md-24005.
What is the population of ZIP code 21222? ▼
ZIP code 21222 in Dundalk, MD has a population of 55,786 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21222? ▼
The median household income in ZIP 21222 is $64,141, which is 16% below the national average of $76,288.
What is the average home value in ZIP 21222? ▼
The median home value in ZIP 21222 is $215,900, which is 22% below the national average of $278,155.
What is the demographic makeup of ZIP 21222? ▼
The largest racial group in ZIP 21222 is White at 63.5%. Hispanic or Latino residents make up 15.0% of the population.
How many businesses are in ZIP code 21222? ▼
ZIP code 21222 has 767 business establishments employing approximately 10,114 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21222? ▼
The top industries by establishment count in ZIP 21222 are: Retail trade (130), Construction (112), Other services (except public administration) (99). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 21222? ▼
According to the FHFA House Price Index, home values in ZIP 21222 increased by 12.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 158%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21222? ▼
In ZIP code 21222, 55.7% of residents aged 25+ have a high school diploma or higher, and 14.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21222? ▼
The mean commute time for workers in ZIP code 21222 is 25.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21222? ▼
In ZIP code 21222, approximately 64.9% of occupied housing units are owner-occupied and 35.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21222? ▼
The poverty rate in ZIP code 21222 is 17.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.