ZIP Code 21230 in Baltimore, MD

Data Last Updated: November 1, 2025
City:Baltimore, Maryland
County:Baltimore City County
Timezone:Eastern (GMT -05:00)
Local Time:12:30:40 AM
Population:36,660 [See All]
Area Codes:667 / 410
Classification:Standard [Normal Street Delivery]
Coordinates:39.2643, -76.6217
Land Area:6.318 sq mi
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https://www.zip-codes.com/zip-code/21230/zip-code-21230.asp

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Population & Demographics


ZIP Code 21230 has 36,660 residents and 16,813 households (average 2.17 persons per household). The median age is 32.0 years, younger than the state (38.8) and younger than the nation (38.8). The gender split is 49.8% male and 50.2% female, which is slightly higher than the state male share (48.2%). Largest groups are White (58.4%, much higher than the state average of 48.7%) and Black or African American (22.9%, much higher than the national average of 12.4%); Hispanic or Latino residents make up 11.3%, which is much lower than the national average (18.7%), and Black or African American share is much higher than the national average (12.4%).

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:36,660Source: Census DHC
2023 ACS Population Estimate:33,509Source: Census ACS
2025 ZC Population Estimate:41,596Source: ZIP-Codes.com
Population Density:5,802.5 people per sq mile
Average Income:$94,164Source: Census ACS
Households:16,813Source: Census DHC
Average House Value:$327,700Source: Census ACS
Persons Per Household:2.17Source: Census DHC
Average Family Size:3.81Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--32,63133,36433,55634,44133,82934,29334,65734,94734,27433,59233,99532,88333,509
Decennial Census33,568------------------36,660------
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: 32

Male Median Age: 32

Female Median Age: 31.9

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male9758667715881,5483,2512,5141,7231,03183591687085260544925214482
Female9827967145921,7043,3182,4201,542969842863830843698529336205205
Total1,9571,6621,4851,1803,2526,5694,9343,2652,0001,6771,7791,7001,6951,303978588349287
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:21,42356.22%
Black:8,40422.06%
Hispanic:*4,14910.89%
Asian:1,5294.01%
American Indian:1490.39%
Hawaiian:100.03%
Other:2,4406.40%
Total:38,104100%
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:18,27249.84%32.0 years
Females:18,38850.16%31.9 years
Total:36,660100%32.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:29,53088.13%
Native, born in PR, Island Areas, or abroad:4721.41%
Foreign born, naturalized U.S. citizen:1,9185.72%
Foreign born, not a U.S. citizen:1,58910.47%
Total Population:33,509100%
Total Native Population:30,00289.53%
Total Foreign-born Population:3,50710.47%
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 $94,164, which is much higher than the national median ($78,538), is up $32,840 (53.6%) since 2011 and above its 2019 pre-pandemic level by $9,014. Family households earn a median of $121,702 versus $82,367 for nonfamily households (a difference of $39,335). By gender, male median income is $87,515 and female is $75,267, which is considerably higher than the national female median ($53,445), with a current gap of $12,248 that has widened from 2011 to 2023. The labor-force participation rate is 73.5%, which is considerably higher than the national rate (63.5%). The unemployment rate is 3.4%, which is below the national rate (5.2%). The largest occupation group is Management (67.1%).

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$61,324$63,163$63,805$64,459$67,132$73,203$73,762$81,446$85,150$85,310$88,962$95,470$94,164
Median Family Income$60,457$62,746$63,989$66,221$74,895$83,441$85,101$90,354$97,596$100,932$107,466$116,839$121,702
Median NonFamily Income$59,602$60,226$61,067$60,230$60,145$63,139$64,534$70,758$74,816$72,391$75,806$80,524$82,367
Median Male Income$57,944$60,691$60,623$61,772$62,392$68,519$68,219$73,014$75,516$77,365$78,750$86,910$87,515
Median Female Income$46,409$47,678$50,132$51,271$51,398$53,200$53,418$57,136$59,035$62,473$65,243$74,243$75,267
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:19,22370.41%
Unemployed:6832.50%
Not In Labor Force:7,39727.09%
Total:27,303100%
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:12,89067.06%
Service:2,13111.09%
Sales and Office:2,49412.97%
Natural resources, construction, and maintenance:7854.08%
Production, transportation, and material moving:9234.80%
Total Civilian Employed Population:19,223100%
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 $327,700, which is considerably lower than the state median ($397,700), is up $90,500 (38.15%) since 2011 and above its 2019 pre-pandemic level by $51,600. The median gross rent is $1,771, which is much higher than the national median ($1,348), is up $635 (55.90%) since 2011 and above its 2019 pre-pandemic level by $281. Of occupied housing, owners make up 49.56% (74.78% with a mortgage, 25.22% free-and-clear) and renters 50.44% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 11.44%, which is far higher than the state rate (8.09%).

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$237,200$229,700$224,600$223,000$228,700$231,300$247,300$266,100$276,100$282,900$293,000$323,300$327,700
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:7008.67%
$500 to $999:5626.96%
$1,000 to $1,499:1,58719.66%
$1,500 to $1,999:2,01024.90%
$2,000 to $2,499:1,61319.98%
$2,500 to $2,999:6888.52%
$3,000 or more:7168.87%
No Rent:1962.43%
Total:8,072100%
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$1,136$1,150$1,201$1,235$1,294$1,372$1,415$1,453$1,490$1,502$1,587$1,700$1,771
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):5,93137.06%
Owner Occupied (free and clear, no mortgage):2,00012.50%
Renter Occupied:8,07250.44%
Total Occupied Housing Units:16,003100%

Occupied Housing Units:16,00388.56%
Vacant Housing Units (not graphed):2,06711.44%
Total Housing Units:18,070100%
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:12,21567.60%
Multi-Family Units:5,83132.27%
Other Units:240.13%
Total Housing Units:18,070100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 58.80% 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 88.20%, which is generally lower than the state rate (91.00%). The uninsured rate is 6.50%, which is comparable to the national rate (8.60%). The share of people in poverty is 10.50%, which is markedly above the state rate (6.30%), down 4.40 percentage points since 2011 and above its 2019 pre-pandemic level by 0.40 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (41.87%). College enrollment is 32.31%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.

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:1,1304.54%
9th to 12th grade, no diploma:1,8097.28%
High school graduate (includes equivalency):3,39713.66%
Some college, no degree:3,07012.35%
Associate's degree:8273.33%
Bachelor's degree:7,84331.54%
Graduate or professional degree:6,78927.30%
Total:24,865100%
High school or higher:21,92688.18%
Bachelor's degree or higher:14,63258.85%
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:23,63765.10%
Public Insurance:10,50428.93%
No Insurance:2,1685.97%
Total:36,309100%
Has Health Insurance:34,14194.03%
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 Poverty14.9%15.8%14.6%14.6%13.3%10.8%10.5%10.1%10.1%10.1%8.6%8.0%10.5%
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:5918.58%
Kindergarten:2623.80%
Elementary school (grades 1-8):2,88341.87%
High school (grades 9-12):92513.43%
College or graduate school:2,22532.31%
Total:6,886100%
Early Childhood:85312.39%
K-12 (Primary & Secondary School):4,07059.11%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 21230 supports both business and residential activity. According to the Business Census (2023), there are 1,201 business establishments, employing about 26,828 people with an annual payroll of $2,083,111,000. USPS data shows 19,169 residential mailboxes and 1,532 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:19,169Source: USPS
# Business Mailboxes:1,532Source: USPS
Total Delivery Receptacles:21,827Source: USPS
Single Family Delivery Units:12,341Source: USPS
Multi Family Delivery Units:4,479Source: USPS
# of Businesses:1,201Source: CBP
1st Quarter Payroll:$542,936,000Source: CBP
Annual Payroll:$2,083,111,000Source: CBP
# of Employees:26,828Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21230 is located in Baltimore City County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 7th Congressional District. This Metro area has a population of 2,839,409 people, about 1.29% of whom live in ZIP Code 21230. It covers 6.318 sq mi of land and a water area of 2.221 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:6.318 sq miSource: Census
Water Area:2.221 sq miSource: Census
Congressional District:07Source: USPS
Congressional Land Area:488.03 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2404000Source: Census
Place Name:Baltimore city; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21231 | | 21229

Schools in ZIP Code 21230


ZIP Code 21230 is in the Baltimore City Public Schools, which serves grades Pre-Kindergarten thru 12th. There are 9 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.

Charles Carroll Barrister Elementary 1327 Washington Boulevard
Baltimore, MD 21230
District: Baltimore City Public Schools
Federal Hill Preparatory Academy 1040 William Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Francis Scott Key Elementary/Middle 1425 E Fort Avenue
Baltimore, MD 21230
District: Baltimore City Public Schools
George Washington Elementary 800 Scott Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Lakeland Elementary/Middle 2921 Stranden Road
Baltimore, MD 21230
District: Baltimore City Public Schools
Morrell Park Elementary/Middle 2601 Tolley Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Thomas Johnson Elementary/Middle 100 E Heath Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Westport Academy 2401 Nevada Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Digital Harbor High School 1100 Covington Street
Baltimore, MD 21230
District: Baltimore City Public Schools
Streetlite Christian Child Development Center 1121 Riverside Ave
Baltimore, MD 21230
District: Private School
St Ignatius Loyola Academy 300 E Gittings St
Baltimore, MD 21230
District: Private School

Colleges & Post Secondary Schools near ZIP Code 21230


University Of Maryland, Baltimore 620 West Lexington St
Baltimore, MD 21201-1627
Type: Post Secondary
University System Of Maryland 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
University System Of Maryland-Research Centers 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
Baltimore Studio Of Hair Design 318 N Howard St
Baltimore, MD 21201-3444
Type: Post Secondary
University Of Baltimore Charles At Mount Royal
Baltimore, MD 21201-5720
Type: Post Secondary
Maryland Institute College Of Art 1300 Mount Royal Avenue
Baltimore, MD 21217-4134
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 November 1, 2025.

  1. U.S. Postal Service [Last Updated: 11/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 11/1/2025], 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: 11/1/2025], https://nces.ed.gov