ZIP Code 21234 in Parkville, MD

Data Last Updated: October 1, 2025
City:Parkville, Maryland
City Alias:Baltimore
Counties:Baltimore County [Primary]
Baltimore City County
Timezone:Eastern (GMT -05:00)
Local Time:12:30:47 AM
Population:67,308 [See All]
Area Codes:410 / 443 / 667
Classification:Standard [Normal Street Delivery]
Coordinates:39.3919, -76.5295
Land Area:13.354 sq mi
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Population & Demographics


ZIP Code 21234 has 67,308 residents and 27,894 households (average 2.38 persons per household). The median age is 39.6 years, about the same as the state (38.8) and about the same as the nation (38.8). The gender split is 46.6% male and 53.4% female, which is slightly lower than the national male share (49.1%), making this a female-majority area. Largest groups are White (54.2%, much lower than the national average of 61.6%) and Black or African American (31.7%, much higher than the national average of 12.4%); Hispanic or Latino residents make up 5.7%, 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:67,308Source: Census DHC
2023 ACS Population Estimate:65,010Source: Census ACS
2025 ZC Population Estimate:68,743Source: ZIP-Codes.com
Population Density:5,040.3 people per sq mile
Average Income:$83,139Source: Census ACS
Households:27,894Source: Census DHC
Average House Value:$276,000Source: Census ACS
Persons Per Household:2.38Source: Census DHC
Average Family Size:3.37Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--67,71268,25669,89369,31669,76469,44769,64968,93868,38168,67866,01166,09565,010
Decennial Census69,752------------------67,308------
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: 39.6

Male Median Age: 37.9

Female Median Age: 41.2

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1,8551,9742,0491,9011,9382,2562,4002,2351,8541,8061,8382,0492,1311,6531,233791600782
Female1,8301,8841,9771,7162,0802,5482,7372,6152,0931,9482,1242,5242,5342,1351,5421,1778921,607
Total3,6853,8584,0263,6174,0184,8045,1374,8503,9473,7543,9624,5734,6653,7882,7751,9681,4922,389
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:36,50154.42%
Black:21,31731.78%
Hispanic:*3,8275.71%
Asian:3,3545.00%
American Indian:2050.31%
Hawaiian:240.04%
Other:1,8492.76%
Total:67,077100%
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:31,34546.57%37.9 years
Females:35,96353.43%41.2 years
Total:67,308100%39.6 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:58,08789.35%
Native, born in PR, Island Areas, or abroad:6831.05%
Foreign born, naturalized U.S. citizen:4,0696.26%
Foreign born, not a U.S. citizen:2,1719.60%
Total Population:65,010100%
Total Native Population:58,77090.40%
Total Foreign-born Population:6,2409.60%
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 $83,139, which is well under the state median ($101,652), is up $24,651 (42.1%) since 2011 and above its 2019 pre-pandemic level by $16,425. Family households earn a median of $100,561 versus $57,067 for nonfamily households (a difference of $43,494). By gender, male median income is $71,060 and female is $58,221, which is well under the state female median ($68,044), with a current gap of $12,839 that has widened from 2011 to 2023. The labor-force participation rate is 65.8%, which is edges past the national rate (63.5%). The unemployment rate is 3.5%, which is generally lower than the national rate (5.2%). The largest occupation group is Management (45.2%).

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$58,488$59,113$58,332$58,559$57,788$60,388$61,748$64,510$66,714$70,870$73,377$80,692$83,139
Median Family Income$71,282$72,481$71,123$72,912$73,636$75,852$78,549$82,386$83,519$86,936$92,374$97,325$100,561
Median NonFamily Income$38,778$39,027$38,697$39,341$37,829$40,210$41,535$43,992$46,363$50,393$50,506$55,554$57,067
Median Male Income$49,044$49,704$50,690$50,427$50,721$51,354$52,448$54,144$55,584$59,545$63,603$69,099$71,060
Median Female Income$42,168$43,858$43,565$44,005$44,485$45,920$46,406$47,970$48,582$49,635$51,564$54,886$58,221
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:33,47363.32%
Unemployed:1,2242.32%
Not In Labor Force:18,16634.36%
Total:52,863100%
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:15,13245.21%
Service:5,14415.37%
Sales and Office:7,47322.33%
Natural resources, construction, and maintenance:2,1776.50%
Production, transportation, and material moving:3,54710.60%
Total Civilian Employed Population:33,473100%
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 $276,000, which is considerably lower than the state median ($397,700), is up $50,900 (22.61%) since 2011 and above its 2019 pre-pandemic level by $53,700. The median gross rent is $1,542, which is far above the national median ($1,348), is up $492 (46.86%) since 2011 and above its 2019 pre-pandemic level by $258. Of occupied housing, owners make up 65.19% (65.38% with a mortgage, 34.62% free-and-clear) and renters 34.81% - making this ZIP Code less home ownership than the state and under national rental averages. The vacancy rate is 7.83%, which is considerably 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$225,100$219,100$213,500$211,000$209,000$211,800$216,700$218,600$222,300$226,500$232,800$263,100$276,000
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:130.14%
$500 to $999:4164.38%
$1,000 to $1,499:3,95441.67%
$1,500 to $1,999:2,92630.84%
$2,000 to $2,499:8589.04%
$2,500 to $2,999:3343.52%
$3,000 or more:7557.96%
No Rent:2322.45%
Total:9,488100%
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$1,050$1,082$1,100$1,138$1,152$1,189$1,213$1,265$1,284$1,334$1,381$1,455$1,542
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):11,61842.62%
Owner Occupied (free and clear, no mortgage):6,15222.57%
Renter Occupied:9,48834.81%
Total Occupied Housing Units:27,258100%

Occupied Housing Units:27,25892.17%
Vacant Housing Units (not graphed):2,3177.83%
Total Housing Units:29,575100%
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:20,90270.67%
Multi-Family Units:8,62729.17%
Other Units:460.16%
Total Housing Units:29,575100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 36.50% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (42.70%). High school or higher is 93.00%, which is well above the national rate (89.40%). The uninsured rate is 4.70%, which is falls below the national rate (8.60%). The share of people in poverty is 4.70%, which is falls below the national rate (8.70%), down 0.50 percentage points since 2011 and above its 2019 pre-pandemic level by 0.40 percentage points. Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (39.55%). College enrollment is 28.45%, 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:1,1492.45%
9th to 12th grade, no diploma:2,1244.54%
High school graduate (includes equivalency):12,32426.33%
Some college, no degree:9,73420.80%
Associate's degree:4,4109.42%
Bachelor's degree:10,27121.94%
Graduate or professional degree:6,79414.52%
Total:46,806100%
High school or higher:43,53393.01%
Bachelor's degree or higher:17,06536.46%
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:49,29765.81%
Public Insurance:22,60830.18%
No Insurance:3,0074.01%
Total:74,912100%
Has Health Insurance:71,90595.99%
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 Poverty5.2%6.2%7.0%6.9%7.0%6.4%6.4%5.8%4.3%4.5%4.5%4.8%4.7%
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:1,1677.62%
Kindergarten:7364.81%
Elementary school (grades 1-8):6,05639.55%
High school (grades 9-12):2,99619.57%
College or graduate school:4,35628.45%
Total:15,311100%
Early Childhood:1,90312.43%
K-12 (Primary & Secondary School):9,78863.93%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 21234 supports both business and residential activity. According to the Business Census (2023), there are 991 business establishments, employing about 10,461 people with an annual payroll of $425,615,000. USPS data shows 28,884 residential mailboxes and 990 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:28,884Source: USPS
# Business Mailboxes:990Source: USPS
Total Delivery Receptacles:30,086Source: USPS
Single Family Delivery Units:19,826Source: USPS
Multi Family Delivery Units:6,225Source: USPS
# of Businesses:991Source: CBP
1st Quarter Payroll:$100,518,000Source: CBP
Annual Payroll:$425,615,000Source: CBP
# of Employees:10,461Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21234 is located in Baltimore County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 1st, 2nd, and 7th Congressional Districts. This Metro area has a population of 2,839,409 people, about 2.37% of whom live in ZIP Code 21234. It covers 13.354 sq mi of land and a water area of 0.002 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:13.354 sq miSource: Census
Water Area:0.002 sq miSource: Census
Congressional District:01,02,07Source: USPS
Congressional Land Area:3977.06, 348.88, 488.03 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2460275Source: Census
Place Name:Parkville CDP; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21235 | | 21233

Schools in ZIP Code 21234


ZIP Code 21234 is part of 2 school districts, including: Baltimore City Public Schools (Grades PK thru 12) and Baltimore County Public Schools (Grades Pre-Kindergarten thru 12th). There are 12 public schools and 3 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.

Woodhome Elementary/Middle 7300 Moyer Avenue
Baltimore, MD 21234
District: Baltimore City Public Schools
Seven Oaks Elementary 9220 Seven Courts Dr
Baltimore, MD 21234
District: Baltimore County Public Schools
Carney Elementary 3131 E Joppa Rd
Baltimore, MD 21234
District: Baltimore County Public Schools
Harford Hills Elementary 8902 Old Harford Rd
Baltimore, MD 21234
District: Baltimore County Public Schools
Halstead Academy 1111 Halstead Rd
Baltimore, MD 21234
District: Baltimore County Public Schools
Oakleigh Elementary 1900 White Oak Ave
Baltimore, MD 21234
District: Baltimore County Public Schools
Parkville Middle 8711 Avondale Road
Baltimore, MD 21234
District: Baltimore County Public Schools
Parkville High 2600 Putty Hill Ave
Baltimore, MD 21234
District: Baltimore County Public Schools
Pine Grove Elementary 2701 Summit Ave
Baltimore, MD 21234
District: Baltimore County Public Schools
Pine Grove Middle 9200 Old Harford Rd
Baltimore, MD 21234
District: Baltimore County Public Schools
Villa Cresta Elementary 2600 Rader Ave
Baltimore, MD 21234
District: Baltimore County Public Schools
White Oak School 8401 Leefield Rd
Parkville, MD 21234
District: Baltimore County Public Schools
Rock Church Academy 1607 Cromwell Bridge Rd
Baltimore, MD 21234
District: Private School
New Directions Academy 9700 Old Harford Rd
Parkville, MD 21234
District: Private School
St Ursula School 8900 Harford Rd
Baltimore, MD 21234
District: Private School

Colleges & Post Secondary Schools near ZIP Code 21234


Community College Of Baltimore County 7201 Rossville Boulevard
Baltimore, MD 21237
Type: Post Secondary
Goucher College 1021 Dulaney Valley Rd
Baltimore, MD 21204-2794
Type: Post Secondary
Strayer University-White Marsh Campus 9920 Franklin Square Drive
Baltimore, MD 21236
Type: Post Secondary
Fortis Institute-Towson 700 York Road
Towson, MD 21204-9840
Type: Post Secondary
Towson University 8000 York Rd
Towson, MD 21252-0001
Type: Post Secondary
Morgan State University 1700 East Cold Spring Lane
Baltimore, MD 21251-0001
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