Cockeysville, MD · standard
ZIP Code 21030
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 24,355
- 396/sq mi
- $89,015
- Median income
- $450,700
- Median home value
- 51.8%
- Bachelor's or higher
The verdict
Cockeysville pairs an above-median household income with upper-quartile home values, in a low-density, mixed-tenure area.
- Top 28%
- household income, US ZIPs
- Top 16%
- home value, US ZIPs
- 396
- people per sq mi
- 44%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21030 against every reporting US ZIP.
ZIP code 21030 is a densely settled ZIP (a standard USPS delivery area) in Cockeysville, Baltimore County, Maryland, with 24,355 residents across 61.6 square miles, a density of 396 people per square mile, in the New York time zone.
ZIP 21030 lands in the middle-income range, with a median household income of $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%. The typical home here is valued at $450,700 (1% above the state average); renters pay a median of $1,647 monthly, and 43.7% of units are owner-occupied.
This is a highly-educated ZIP: 51.8% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is 24 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Baltimore County, letting you compare 21030 to its immediate surroundings rather than a national baseline alone.
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 21030
Top 5 sectors by establishment count in Cockeysville, MD
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
How ZIP 21030 ranks nationally
Cockeysville, MD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$89,015 Top 28% higher than 72% 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?
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 21030 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21093
Lutherville Timonium (21093)
36,465 residents
- 21136
Reisterstown (21136)
33,781 residents
- 21209
Baltimore (21209)
26,465 residents
- 21030
Cockeysville (21030)
24,355 residents
- 21204
Towson (21204)
20,253 residents
- 21131 7,253
Phoenix (21131)
7,253 residents
- 21152 5,544
Sparks Glencoe (21152)
5,544 residents
- 21252 2,872
Towson (21252)
2,872 residents
- 21071 497
Glyndon (21071)
497 residents
What this shows Among its immediate neighbors, ZIP 21030 ranks #4 by population - useful context the national average alone can't give.
ZIP 21030 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21153
Stevenson (21153)
$220,179 median income
- 21071
Glyndon (21071)
$213,500 median income
- 21131
Phoenix (21131)
$197,619 median income
- 21093
Lutherville Timonium (21093)
$125,528 median income
- 21152
Sparks Glencoe (21152)
$121,350 median income
- 21136
Reisterstown (21136)
$118,500 median income
- 21204
Towson (21204)
$99,606 median income
- 21209
Baltimore (21209)
$91,437 median income
- 21030
Cockeysville (21030)
$89,015 median income
What this shows By household income, ZIP 21030 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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
Related Areas
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? ▼
Read our methodology to see how this data is sourced, computed, and verified.