Cities in Harford County, Maryland by Population (2024)

There are 18 cities in Harford County, Maryland.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Bel Air South1Maryland57,47155,0240.32%2,70121.27
Bel Air North2Maryland31,97730,6391.06%2,00315.97
Perry Hall3Maryland29,43527,7780.31%4,2436.94
Edgewood4Maryland25,16725,0650.1%1,47217.10
Aberdeen5Maryland18,58616,2653.22%2,6706.96
Havre Grace6Maryland15,09814,8340.44%2,5435.94
Joppatowne7Maryland13,94912,8332.04%2,0736.73
Fallston8Maryland10,4649,1182.51%74814
Bel Air9Maryland10,42110,697-0.66%3,4383.03
Riverside10Maryland5,9605,8880.3%2,2812.61
Abingdon11Maryland4,8985,324-2.12%1,7732.76
Kingsville12Maryland4,6554,6490.04%46410.04
Pleasant Hills13Maryland3,8334,017-1.19%8794.36
Aberdeen Proving Ground14Maryland2,6822,724-0.37%24111.13
Jarrettsville15Maryland2,5292,827-2.84%2938.63
Perryman16Maryland2,4092,3970.13%4425.45
Pylesville17Maryland5451,015-17.67%1154.74
Darlington18Maryland434522-4.83%4151.04

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Harford County, Maryland?

Bel Air South is the largest city in Harford County.

What is the smallest city in Harford County, Maryland?

Darlington is the smallest city in Harford County.

How many cities are in Harford County?

There are 18 cities in Harford County, Maryland.

Frequently Asked Questions