ZIP Code Tabulation Area · Maryland

ZIP Code 21251: Baltimore, MD

ZIP Code 21251 (Baltimore, Baltimore city, Maryland) has an estimated 191 residents in 0 households. The median household income is —, the median home value is — and the median gross rent is —. 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. 7 figures for this ZIP (population, households, per capita income, unemployment, bachelor's or higher, commute, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

191*

Margin of error ±108· estimate has a large margin of error

Median household income

—

Margin of error not available

Median home value

—

Margin of error not available

Median gross rent

—

Margin of error not available

Median age

19.5 yrs

Margin of error ±1.2 yrs

Mean travel time to work

19.6 min*

Margin of error ±25.7 min· estimate has a large margin of error

How ZIP 21251 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 2125119.5 yrsMaryland39.4 yrsUnited States38.9 yrs

Median household income

ZIP 21251—Maryland$103,678United States$80,734

Per capita income

ZIP 21251$14,981*Maryland$52,979United States$44,673

Poverty rate

ZIP 21251—Maryland9.4%United States12.5%

Unemployment rate

ZIP 212516.8%*Maryland4.9%United States5.2%

Bachelor's degree or higher

ZIP 2125150.0%*Maryland43.4%United States35.7%

Median home value

ZIP 21251—Maryland$419,900United States$332,700

Median gross rent

ZIP 21251—Maryland$1,705/moUnited States$1,413/mo

Owner-occupied homes

ZIP 21251—Maryland67.6%United States65.2%

Mean travel time to work

ZIP 2125119.6 min*Maryland31.1 minUnited States26.4 min

Worked from home

ZIP 2125111.0%*Maryland19.3%United States15.1%

All figures for ZIP 21251

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 21251 — ACS 2020–2024 5-year estimates
MeasureZIP 21251Margin of errorMarylandUnited States
Total population191*±1086,206,011334,922,499
Median age19.5 yrs±1.2 yrs39.4 yrs38.9 yrs
Households0*±142,362,928129,227,496
Median household income——$103,678$80,734
Per capita income$14,981*±$19,487$52,979$44,673
Poverty rate——9.4%12.5%
Unemployment rate6.8%*±11.3 pts4.9%5.2%
Bachelor's degree or higher50.0%*±206.0 pts43.4%35.7%
Median home value——$419,900$332,700
Median gross rent——$1,705/mo$1,413/mo
Owner-occupied homes——67.6%65.2%
Mean travel time to work19.6 min*±25.7 min31.1 min26.4 min
Worked from home11.0%*±13.0 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 21251
GroupZIP 21251MarylandUnited States
White alone, not Hispanic or Latino29.8%46.6%57.4%
Black or African American alone, not Hispanic or Latino58.6%28.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino5.2%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 Latino0.0%0.7%0.6%
Two or more races, not Hispanic or Latino4.7%4.6%4.3%
Hispanic or Latino (of any race)1.6%12.5%19.3%

Where ZIP 21251 is

State
Maryland
Main county
Baltimore city
Largest overlapping place
Baltimore (100% of the ZIP's land area)
Land area
0.12 sq mi· about 1,592 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 Baltimore city

21201 Baltimore, MD21202 Baltimore, MD21205 Baltimore, MD21206 Baltimore, MD21210 Baltimore, MD21211 Baltimore, MD21212 Baltimore, MD21213 Baltimore, MD21214 Baltimore, MD21215 Baltimore, MD21216 Baltimore, MD21217 Baltimore, MD21218 Baltimore, MD21223 Baltimore, MD21224 Baltimore, MD21226 Baltimore, MD21229 Baltimore, MD21230 Baltimore, MD21231 Baltimore, MD21239 Baltimore, MD

See every ZIP code in Maryland, or compare ZIP 21251 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.