ZIP Code Tabulation Area · Maryland

ZIP Code 21028: Harford County, MD

ZIP Code 21028 (Harford County, Maryland) has an estimated 3,103 residents in 1,066 households. The median household income is $137,586, the median home value is $512,400 and the median gross rent is $2,080/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. One figure for this ZIP (owner-occupied) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

3,103

Margin of error ±425

Median household income

$137,586

Margin of error ±$6,657

Median home value

$512,400

Margin of error ±$52,419

Median gross rent

$2,080/mo

Margin of error ±$423

Median age

44.6 yrs

Margin of error ±4.4 yrs

Mean travel time to work

31.0 min

Margin of error ±7.9 min

How ZIP 21028 compares with Maryland and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 2102844.6 yrsMaryland39.4 yrsUnited States38.9 yrs

Median household income

ZIP 21028$137,586Maryland$103,678United States$80,734

Per capita income

ZIP 21028$64,473Maryland$52,979United States$44,673

Poverty rate

ZIP 210283.1%Maryland9.4%United States12.5%

Unemployment rate

ZIP 210282.3%Maryland4.9%United States5.2%

Bachelor's degree or higher

ZIP 2102849.6%Maryland43.4%United States35.7%

Median home value

ZIP 21028$512,400Maryland$419,900United States$332,700

Median gross rent

ZIP 21028$2,080/moMaryland$1,705/moUnited States$1,413/mo

Owner-occupied homes

ZIP 2102885.2%*Maryland67.6%United States65.2%

Mean travel time to work

ZIP 2102831.0 minMaryland31.1 minUnited States26.4 min

Worked from home

ZIP 2102821.3%Maryland19.3%United States15.1%

All figures for ZIP 21028

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 21028 — ACS 2020–2024 5-year estimates
MeasureZIP 21028Margin of errorMarylandUnited States
Total population3,103±4256,206,011334,922,499
Median age44.6 yrs±4.4 yrs39.4 yrs38.9 yrs
Households1,066±1452,362,928129,227,496
Median household income$137,586±$6,657$103,678$80,734
Per capita income$64,473±$7,739$52,979$44,673
Poverty rate3.1%±1.8 pts9.4%12.5%
Unemployment rate2.3%±2.0 pts4.9%5.2%
Bachelor's degree or higher49.6%±7.2 pts43.4%35.7%
Median home value$512,400±$52,419$419,900$332,700
Median gross rent$2,080/mo±$423$1,705/mo$1,413/mo
Owner-occupied homes85.2%*±16.0 pts67.6%65.2%
Mean travel time to work31.0 min±7.9 min31.1 min26.4 min
Worked from home21.3%±6.4 pts19.3%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 21028
GroupZIP 21028MarylandUnited States
White alone, not Hispanic or Latino82.0%46.6%57.4%
Black or African American alone, not Hispanic or Latino1.4%28.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino4.3%6.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino3.5%0.7%0.6%
Two or more races, not Hispanic or Latino3.3%4.6%4.3%
Hispanic or Latino (of any race)5.5%12.5%19.3%

Where ZIP 21028 is

State
Maryland
Main county
Harford County
Land area
12.86 sq mi· about 241 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Harford County

21001 Aberdeen, MD21005 Aberdeen Proving Ground, MD21009 Bel Air South, MD21010 Edgewood, MD21014 Bel Air North, MD21015 Bel Air South, MD21017 Riverside, MD21034 Harford County, MD21040 Edgewood, MD21047 Fallston, MD21050 Bel Air North, MD21078 Harford County, MD21084 Jarrettsville, MD21085 Joppatowne, MD21130 Perryman, MD21132 Pylesville, MD21154 Harford County, MD21160 Harford County, MD21161 Harford County, MD

See every ZIP code in Maryland, or compare ZIP 21028 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.