ZIP Code 21030 in Cockeysville, MD

Data Last Updated: October 1, 2025
City:Cockeysville, Maryland
City Alias:Cockysvil, Hunt Valley
County:Baltimore County
Timezone:Eastern (GMT -05:00)
Local Time:12:26:50 AM
Population:26,156 [See All]
Area Codes:410 / 443 / 667
Classification:Standard [Normal Street Delivery]
Coordinates:39.4904, -76.6878
Land Area:24.05 sq mi
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Population & Demographics


ZIP Code 21030 has 26,156 residents and 10,889 households (average 2.36 persons per household). The median age is 37.6 years, slightly younger than the state (38.8) and slightly younger than the nation (38.8). The gender split is 48.5% male and 51.5% female, which is about the same as the national male share (49.1%), making this a female-majority area. Largest groups are White (57.1%, much higher than the state average of 48.7%) and Black or African American (17.1%, much lower than the state average of 29.5%); Hispanic or Latino residents make up 12.0%, which is lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:26,156Source: Census DHC
2023 ACS Population Estimate:25,312Source: Census ACS
2025 ZC Population Estimate:28,345Source: ZIP-Codes.com
Population Density:1,087.6 people per sq mile
Average Income:$97,875Source: Census ACS
Households:10,889Source: Census DHC
Average House Value:$435,500Source: Census ACS
Persons Per Household:2.36Source: Census DHC
Average Family Size:3.11Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--24,23823,75424,58525,32124,73624,32824,94425,63724,39624,15225,90025,13325,312
Decennial Census24,355------------------26,156------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 37.6

Male Median Age: 35.9

Female Median Age: 39.3

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male7327688398318731,0431,055931700704778756790630513311188254
Female7627187877408141,0091,046978750795863890864718568473280405
Total1,4941,4861,6261,5711,6872,0522,1011,9091,4501,4991,6411,6461,6541,3481,081784468659
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:14,93454.38%
Black:4,46116.24%
Hispanic:*3,13611.42%
Asian:2,99810.92%
American Indian:1150.42%
Hawaiian:200.07%
Other:1,8006.55%
Total:27,464100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:12,69648.54%35.9 years
Females:13,46051.46%39.3 years
Total:26,156100%37.6 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:20,53881.14%
Native, born in PR, Island Areas, or abroad:4781.89%
Foreign born, naturalized U.S. citizen:2,3659.34%
Foreign born, not a U.S. citizen:1,93116.97%
Total Population:25,312100%
Total Native Population:21,01683.03%
Total Foreign-born Population:4,29616.97%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $97,875, which is much higher than the national median ($78,538), is up $27,236 (38.6%) since 2011 and above its 2019 pre-pandemic level by $26,619. Family households earn a median of $129,203 versus $59,491 for nonfamily households (a difference of $69,712). By gender, male median income is $77,782 and female is $66,178, which is far above the national female median ($53,445), with a current gap of $11,604 that has narrowed from 2011 to 2023. The labor-force participation rate is 71.0%, which is much higher than the national rate (63.5%). The unemployment rate is 5.0%, which is roughly equal to the national rate (5.2%). The largest occupation group is Management (53.2%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$70,639$71,799$75,047$73,776$69,947$69,968$68,104$69,481$71,256$80,453$85,831$92,333$97,875
Median Family Income$93,029$94,043$100,949$100,848$94,167$98,947$94,208$96,435$98,915$109,925$117,113$124,677$129,203
Median NonFamily Income$49,228$51,478$52,736$52,283$47,250$43,676$44,148$46,948$46,097$47,489$55,344$60,286$59,491
Median Male Income$60,197$61,501$62,714$62,575$61,996$62,490$62,434$62,266$63,627$64,018$73,349$76,676$77,782
Median Female Income$44,065$45,784$51,113$51,629$52,500$51,800$50,783$47,268$50,931$51,881$56,556$60,672$66,178
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:13,99867.33%
Unemployed:7333.53%
Not In Labor Force:6,05929.14%
Total:20,790100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:7,44053.15%
Service:2,04414.60%
Sales and Office:2,35916.85%
Natural resources, construction, and maintenance:8145.82%
Production, transportation, and material moving:1,3419.58%
Total Civilian Employed Population:13,998100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $435,500, which is considerably higher than the national median ($303,400), is up $54,400 (14.27%) since 2011 and above its 2019 pre-pandemic level by $50,600. The median gross rent is $1,600, which is markedly greater than the national median ($1,348), is up $530 (49.53%) since 2011 and above its 2019 pre-pandemic level by $351. Of occupied housing, owners make up 43.83% (66.18% with a mortgage, 33.82% free-and-clear) and renters 56.17% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 4.88%, which is much lower than the national rate (10.43%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$381,100$386,700$387,300$379,900$383,800$380,000$381,000$375,600$384,900$371,000$384,400$413,600$435,500
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:270.45%
$500 to $999:580.96%
$1,000 to $1,499:2,38239.31%
$1,500 to $1,999:2,52641.69%
$2,000 to $2,499:62310.28%
$2,500 to $2,999:2093.45%
$3,000 or more:1201.98%
No Rent:1141.88%
Total:6,059100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$1,070$1,083$1,113$1,140$1,126$1,141$1,177$1,227$1,249$1,325$1,392$1,450$1,600
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):3,12929.01%
Owner Occupied (free and clear, no mortgage):1,59914.82%
Renter Occupied:6,05956.17%
Total Occupied Housing Units:10,787100%

Occupied Housing Units:10,78795.12%
Vacant Housing Units (not graphed):5544.88%
Total Housing Units:11,341100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:4,96943.81%
Multi-Family Units:6,37056.17%
Other Units:20.02%
Total Housing Units:11,341100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 53.50% of adults (25+) have a bachelor's degree or higher, which is far higher than the national rate (35.00%), well above both the state and national averages. High school or higher is 92.60%, which is well above the national rate (89.40%). The uninsured rate is 5.80%, which is falls below the national rate (8.60%). The share of people in poverty is 6.60%, which is comparable to the national rate (8.70%), up 1.10 percentage points since 2011 and above its 2019 pre-pandemic level by 1.70 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (41.95%). College enrollment is 28.43%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:6583.63%
9th to 12th grade, no diploma:6883.80%
High school graduate (includes equivalency):3,53619.53%
Some college, no degree:2,77715.34%
Associate's degree:7694.25%
Bachelor's degree:5,88832.52%
Graduate or professional degree:3,79020.93%
Total:18,106100%
High school or higher:16,76092.57%
Bachelor's degree or higher:9,67853.45%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:19,12067.99%
Public Insurance:7,55426.86%
No Insurance:1,4485.15%
Total:28,122100%
Has Health Insurance:26,67494.85%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty5.5%5.9%6.3%6.4%5.3%3.8%5.1%5.3%4.9%4.7%6.1%5.1%6.6%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:2374.22%
Kindergarten:3446.13%
Elementary school (grades 1-8):2,35541.95%
High school (grades 9-12):1,08219.27%
College or graduate school:1,59628.43%
Total:5,614100%
Early Childhood:58110.35%
K-12 (Primary & Secondary School):3,78167.35%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 21030 supports both business and residential activity. According to the Business Census (2023), there are 995 business establishments, employing about 24,506 people with an annual payroll of $1,994,197,000. USPS data shows 12,011 residential mailboxes and 916 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:12,011Source: USPS
# Business Mailboxes:916Source: USPS
Total Delivery Receptacles:14,684Source: USPS
Single Family Delivery Units:4,120Source: USPS
Multi Family Delivery Units:6,511Source: USPS
# of Businesses:995Source: CBP
1st Quarter Payroll:$503,991,000Source: CBP
Annual Payroll:$1,994,197,000Source: CBP
# of Employees:24,506Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21030 is located in Baltimore County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 2nd Congressional District. This Metro area has a population of 2,839,409 people, about 0.92% of whom live in ZIP Code 21030. It covers 24.05 sq mi of land and a water area of 0.478 sq mi.

CBSA Name:Baltimore-Columbia-Towson, MDSource: Census
CBSA Number:12580Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:2,839,409Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:24.05 sq miSource: Census
Water Area:0.478 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:348.88 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2418250Source: Census
Place Name:Cockeysville CDP; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21031 | | 21029

Schools in ZIP Code 21030


ZIP Code 21030 is in the Baltimore County Public Schools, which serves grades Pre-Kindergarten thru 12th. There are 3 public schools and 2 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Cockeysville Middle 10401 Greenside Dr
Cockeysville, MD 21030
District: Baltimore County Public Schools
Warren Elementary 900 Bosley Rd
Cockeysville, MD 21030
District: Baltimore County Public Schools
Padonia International Elementary 9834 Greenside Dr
Cockeysville, MD 21030
District: Baltimore County Public Schools
St Joseph's School 105 Church Ln
Cockeysville, MD 21030
District: Private School
Apple Tree Children's Center 221 Old Padonia Rd
Cockeysville, MD 21030
District: Private School

Colleges & Post Secondary Schools near ZIP Code 21030


Institute Of Health Sciences 11031 Mccormick Road
Hunt Valley, MD 21031-1408
Type: Post Secondary
Robert Paul Academy Of Cosmetology Arts & Sciences 29 Greenmeadow Dr
Timonium, MD 21093
Type: Post Secondary
Stevenson University 1525 Greenspring Valley Rd
Stevenson, MD 21153-0641
Type: Post Secondary
Empire Beauty School-Owings Mills 9616 Reisterstown Rd, Suite 105
Owings Mills, MD 21117
Type: Post Secondary
Goucher College 1021 Dulaney Valley Rd
Baltimore, MD 21204-2794
Type: Post Secondary
Fortis Institute-Towson 700 York Road
Towson, MD 21204-9840
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov