Harford County Population

1790–2026

267.27K

2026 projection

2.3% since 2020 (increase)

050K100K150K200K250K300K18001850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Harford County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026267,268+8220.31%
2025266,446+8220.31%
2024265,624+8850.33%
2023264,739+9900.38%
2022263,749+5040.19%
2021263,245+2,0100.77%
2020261,235+5,6412.21%
2019255,594+1,7100.67%
2018253,884+1,9360.77%
2017251,948+1,5000.60%

Showing 10 of 38 years.

Harford County Demographics

40.5median age

Median age

Female41.9 yrs
Male39.3 yrs

Adults

204,980
46,016 seniors (65+) · 22% of adults158,964 other adults

Sex

Female 50.8% · 134,023Male 49.2% · 129,734

Population by age

MaleFemale85+ years, male: 1,65885+ years, female: 2,82080–84 years, male: 2,06180–84 years, female: 3,05375–79 years, male: 3,77775–79 years, female: 4,99470–74 years, male: 5,48370–74 years, female: 6,13065–69 years, male: 7,56265–69 years, female: 8,47860–64 years, male: 9,37060–64 years, female: 9,61255–59 years, male: 9,07155–59 years, female: 9,56650–54 years, male: 8,63550–54 years, female: 9,00545–49 years, male: 7,86645–49 years, female: 8,01240–44 years, male: 8,15240–44 years, female: 8,61835–39 years, male: 9,43035–39 years, female: 9,48130–34 years, male: 8,34230–34 years, female: 8,50225–29 years, male: 7,79325–29 years, female: 7,58020–24 years, male: 7,55020–24 years, female: 7,08215–19 years, male: 8,48515–19 years, female: 7,65010–14 years, male: 9,19710–14 years, female: 8,3335–9 years, male: 8,0045–9 years, female: 8,1820–4 years, male: 7,2980–4 years, female: 6,92585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 2,638 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Harford County Income

$112,265median household income

Median household income

$112,265

Half of households earn more, half earn less

Median earnings

$70,451

Typical yearly pay for a worker 25 or older.

Poverty rate

7.1%

About 1 in 14 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Harford County Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%55%53%
Never married30%33%27%
Divorced9%8%10%
Widowed6%3%9%
Separated1%1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year