Maryland · Census place 2400125

Aberdeen, Maryland

Aberdeen is a city in Harford County, Maryland with an estimated 18,451 residents on July 1, 2024. It is the 15th largest of 100 incorporated places of 1,000+ people in the state.

Population 2024
18,451
#15 of 100 in Maryland
Change since 2020
+13.4%
+2,181 people
Land area
7.0 sq mi
Density
2,651 / sq mi
State median 2,607
Orange pin: Aberdeen. Shaded: its county. Dark pin: Annapolis.

Aberdeen population, 2020 to 2024

Aberdeen added 2,181 residents from July 2020 to July 2024, a change of +13.4%. In the latest year it moved by +441. Among 46 Maryland places of 5,000 or more, that growth ranks 4th; the median place changed by +1.3%. The median place of 5,000+ in Maryland has 10,155 people, so Aberdeen is 1.8 times that size.

16.3k202016.9k202116.9k202218.0k202318.5k2024
July 1 estimates. The April 2020 estimates base was 16,283. The axis starts above zero so yearly changes are visible.

Aberdeen covers 6.96 square miles of land, for 2,651 people per square mile of land. The median Maryland place of 5,000+ has 2,607, so Aberdeen is close to the typical town.

What county Aberdeen is in

All of Aberdeen's residents live in Harford County, which had 265,514 residents in 2024. Aberdeen holds 6.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Aberdeen

1 ZIP Code Tabulation Area (ZCTA) overlaps Aberdeen by at least 10% of the ZCTA's or the city's land: 21001. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Aberdeen is

The Census internal point of Aberdeen is at 39.516400, -76.174500. Annapolis, the capital, is 40.8 miles SSW in a straight line. The nearest larger place is Newark, DE (30,506 people), 24.9 miles away. The nearest city of 100,000 or more is Baltimore, MD, 27.7 miles away.

Internal point

Decimal
39.516400, -76.174500
DMS
39°30'59.04"N 76°10'28.20"W
UTM
18N 399040.0E 4374743.1N
Geohash
dr1bf9ert
Plus code
87F5GR8G+H6

Daylight in Aberdeen

At 39.52° N, Aberdeen gets about 14 h 58 min of daylight around the June solstice and 9 h 23 min around the December solstice, a swing of 5 h 35 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Aberdeen

The eight nearest incorporated places of 1,000+ in Maryland, measured between internal points. The closest is Havre de Grace, 3.9 miles away, with 15,222 people.

Questions people ask

What is the population of Aberdeen, MD?

18,451 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 2,181 (13.4%) from 16,270 in July 2020.

What county is Aberdeen in?

Harford County. All of its residents live in that county.

What ZIP codes cover Aberdeen?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 21001.

How far is Aberdeen from Annapolis?

40.8 miles (65.7 km) in a straight line, heading SSW from Aberdeen.

What is the nearest larger city to Aberdeen?

Newark, DE, with 30,506 residents, 24.9 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.