Harford County, Maryland Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in Maryland

The population of Harford County, Maryland is 262,509 as of the 2023 American Community Survey, making it the 8th-largest county in Maryland. The median household income is $111,317, the median home value is $367,300, and the median age is 40.5.

The population of Harford County has grown 8.3% since 2010 (245,236 → 265,514), a +0.57% annualized rate.

Harford County within Maryland · Source: US Census TIGER/Line via us-atlas

262,509

Population

+0.57%

Annual growth

601

People / sq mi

$111,317

Median Income

$367,300

Median Home Value

Harford County covers 437 sq mi of land at 600.5 people per square mile.

About Harford County, MD

Harford County is a county in Maryland with a population of 262,509. It ranks #8 among counties in Maryland by population. The median age is 40.5, older than the national median. The population is 49.2% male and 50.8% female.

The median household income in Harford County is $111,317, above the US median of $74,580. 4.6% of residents live below the federal poverty level. Home values sit at a median of $367,300, with monthly rent averaging $1,557. The homeownership rate of 79.7% is higher than the national rate of 64.8%.

Educational attainment in Harford County reflects 39.5% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 13.4% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 32.1 minutes each way.

Harford County Population History (2010-2024)

The county of Harford County had a population of 245,236 in 2010 and 265,514 in 2024, a 8.3% growth over 14 years. The peak was 265,514 in 2024. Average annual growth rate: 0.57%.

265,514

Population (2024)

245,236

Population (2010)

265,514

Peak (2024)

0.57%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	245,236	-	-	estimate
2011	246,746	+1,510	+0.62%	estimate
2012	248,609	+1,863	+0.76%	estimate
2013	248,961	+352	+0.14%	estimate
2014	249,415	+454	+0.18%	estimate
2015	249,690	+275	+0.11%	estimate
2016	250,448	+758	+0.30%	estimate
2017	251,948	+1,500	+0.60%	estimate
2018	253,884	+1,936	+0.77%	estimate
2019	255,594	+1,710	+0.67%	estimate
2020	261,245	+5,651	+2.21%	estimate
2021	263,348	+2,103	+0.80%	estimate
2022	263,908	+560	+0.21%	estimate
2023	264,771	+863	+0.33%	estimate
2024	265,514	+743	+0.28%	estimate

Race & Ethnicity

White	74.1%
Black or African American	14.5%
Asian	0.0%
Hispanic or Latino (any race)	1.1%
Two or More Races	0.0%

Age & Sex

40.5

Median Age

50.8%

Female

49.2%

Male

17.0%

Age 65+

Age Distribution

Under 5

5.5%

5–9

6.0%

10–14

6.8%

15–19

6.1%

20–24

5.6%

25–34

12.3%

35–44

13.3%

45–54

13.0%

55–59

7.2%

60–64

7.2%

65–74

10.3%

75–84

5.0%

85+

1.7%

Children (under 15): 18.3% · Seniors (65+): 17.0%

Income & Poverty

Median household income	$111,317+$9,665 vs state
Mean household income	$132,060
Per-capita income	$50,861
Poverty rate	4.6%-1.7% vs state
Unemployment rate	2.5%
Employment-to-population	64.8%

Top Industries by Employment

Professional & business services

22.4%

Finance & real estate

14.8%

Public administration

11.9%

Education & health care

6.9%

Construction

6.9%

Manufacturing

6.7%

Information

6.5%

Retail trade

5.6%

The largest employment sector in Harford County is professional & business services, accounting for 22.4% of workers.

How residents commute

0.9%

Drive alone

1.1%

Carpool

76.1%

Public transit

13.4%

Work from home

32.1 min

Avg commute

Housing

$367,300$-30,400 vs state

Median home value

$1,557

Median rent

79.7%

Homeownership rate

104,409

Total housing units

96.0%

Occupied

4.0%

Vacant

20.3%

Renter-occupied

Social & access

96.3%

With health insurance

97.0%

With broadband internet

27.2%

Foreign-born

9.0%

Veterans (18+)

10.9%

With a disability

91.9%

Speak language other than English at home

Education

94.6%

High School+

39.5%

Bachelor's+

Largest cities in Maryland

Baltimore (577,193)Columbia (105,871)Germantown (90,521)Waldorf (82,541)Silver Spring (82,129)Frederick (80,617)Ellicott City (73,737)Glen Burnie (72,772)Gaithersburg (69,225)Bethesda (67,403)All Maryland cities →

Other counties in Maryland

Montgomery County (1,057,586)Prince George's County (955,584)Baltimore County (849,586)Anne Arundel County (590,936)Baltimore city (577,193)Howard County (333,916)Frederick County (280,341)Carroll County (174,318)Charles County (168,710)Washington County (155,033)All Maryland counties →

Part of Maryland

Maryland demographic profile All Maryland data →

Metro areas in Maryland

Washington (6,263,796)Philadelphia (6,241,882)Baltimore (2,839,409)Hagerstown (298,525)Lexington Park (208,163)Salisbury (128,802)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Harford County, Maryland has a population of 262,509 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in Maryland. Population density is 601 people per square mile.

The population of Harford County has grown 8.3% since 2010 (245,236 → 265,514), a +0.57% annualized rate.

The median household income in Harford County, Maryland is $111,317, with mean (average) household income of $132,060 and per-capita income of $50,861. 4.6% of residents live below the federal poverty level.

In Harford County, the largest racial and ethnic groups are White (74.1%), Black or African American (14.5%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Harford County, Maryland is 40.5 years. Residents are 50.8% female and 49.2% male.

The median home value in Harford County is $367,300 and median monthly rent is $1,557. 79.7% of occupied housing units are owner-occupied. The county has 104,409 total housing units, 4.0% of which are vacant.

The largest employment sector in Harford County, Maryland is professional, scientific, and management services, employing 22.4% of workers. The unemployment rate is 2.5%.

Baltimore is among the largest cities associated with Harford County, Maryland, with a population of 577,193.