ZIP Code 21030
standardSource:
Cockeysville · Baltimore County · Maryland
- Population
- 24,355
- Median income
- $89,015
- Median home value
- $450,700
- Bachelor's or higher
- 51.8%
- Land area
- 61.6 sq mi
396/sq mi
▲ 17% vs US
higher than 72% of US ZIPs
▲ 62% vs US
higher than 84% of US ZIPs
Median age 36.8
New York
ZIP code 21030 in Cockeysville, Maryland has a population of 24,355. The median household income is $89,015, which is 17% above the national average. Median home value is $450,700, 62% above the US average. 51.8% of residents hold a bachelor's degree or higher.
ZIP code 21030 is classified by USPS as a standard delivery area and covers roughly 61.6 square miles in Cockeysville, Baltimore County, Maryland. The area is home to 24,355 residents, producing a population density of 396 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 21030 against Maryland and the nation.
On the economic side, the median household income for ZIP 21030 sits at $89,015 (22% below the Maryland average), while per-capita income is $58,154. The poverty rate stands at 10.6% and the unemployment rate at 5.2%. On housing, the median home value is $450,700 (1% above the state average) with median rent at $1,647 per month, and 43.7% of occupied units are owner-occupied, a direct signal of whether 21030 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 51.8% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21030 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 21030
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21030.
- Retail trade
Retail trade
125 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
124 establishments
- Finance and insurance
Finance and insurance
118 establishments
- Accommodation and food services
Accommodation and food services
90 establishments
- Construction
Construction
89 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 21030, Cockeysville, 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
24,355
Population
61.6
Area (sq mi)
396
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21030?
36.8
Median Age
52.1%
Male
47.9%
Female
18.8%
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?
$89,015
Median Household Income
-22% vs state
$58,154
Per Capita Income
10.6%
Poverty Rate
5.2%
Unemployment Rate
24.3 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?
11,421
Total Housing Units
10,900
Occupied Units
521
Vacant Units
2.32
Avg Household Size
Occupancy Type
$450,700
Median Home Value
+1% vs state
$1,647
Median Rent
1978
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
-2.6%
YoY Change (2024)
222
HPI Index (2000 = 100)
+122%
Total Change Since 2000
Home values in ZIP 21030 have decreased 2.6% over the past year (2024). Since 2000, this ZIP has seen +122% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.4% | 184 |
| 2021 | +7.5% | 198 |
| 2022 | +8.2% | 215 |
| 2023 | +6.1% | 228 |
| 2024 | -2.6% | 222 |
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 995 business establishments in ZIP 21030, employing approximately 24,506 people with a combined annual payroll of $1,994,197,000.
995
Businesses
24,506
Employees
$2.0B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 125 | 12.6% |
| Professional, scientific, and technical services | 124 | 12.5% |
| Finance and insurance | 118 | 11.9% |
| Accommodation and food services | 90 | 9.1% |
| Construction | 89 | 8.9% |
| Other services (except public administration) | 89 | 8.9% |
| Health care and social assistance | 79 | 7.9% |
| Administrative and support and waste management and remediation services | 69 | 6.9% |
| Real estate and rental and leasing | 52 | 5.2% |
| Manufacturing | 34 | 3.4% |
| Wholesale trade | 31 | 3.1% |
| Information | 30 | 3.0% |
| Arts, entertainment, and recreation | 22 | 2.2% |
| Educational services | 17 | 1.7% |
| Transportation and warehousing | 14 | 1.4% |
| Management of companies and enterprises | 8 | 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 21030 vs 21031 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21031 | Hunt Valley, MD | 4 | 0.6 mi |
| 21152 | Sparks Glencoe, MD | 5,544 | 4.0 mi |
| 21093 | Lutherville Timonium, MD | 36,465 | 3.9 mi |
| 21131 | Phoenix, MD | 7,253 | 5.1 mi |
| 21153 | Stevenson, MD | 323 | 5.9 mi |
| 21209 | Baltimore, MD | 26,465 | 8.2 mi |
| 21204 | Towson, MD | 20,253 | 6.4 mi |
| 21136 | Reisterstown, MD | 33,781 | 7.5 mi |
| 21071 | Glyndon, MD | 497 | 7.7 mi |
| 21252 | Towson, MD | 2,872 | 7.5 mi |
More ZIP Codes in Baltimore County
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Frequently Asked Questions
What county is ZIP code 21030 in? ▼
What is the population of ZIP code 21030? ▼
What is the median household income in ZIP 21030? ▼
What is the average home value in ZIP 21030? ▼
What is the demographic makeup of ZIP 21030? ▼
How many businesses are in ZIP code 21030? ▼
What are the main industries in ZIP code 21030? ▼
How have home values changed in ZIP code 21030? ▼
What is the education level in ZIP code 21030? ▼
What is the average commute time in ZIP 21030? ▼
What percentage of residents own vs. rent in ZIP 21030? ▼
What is the poverty rate in ZIP code 21030? ▼
ZIP Code Research Guides
Official Data Resources for Cockeysville, 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.