Data / Population density / Harford County

Population density in Harford County

Population density in Harford County was 235.3 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 7th highest of 24 counties in 2025.

2025, inhabitants per km²235.3
Change on 2024+0.3%
Rank7th of 24Counties in Maryland ranked
Series high235.32025
Series low230.72020

Population density in Harford County, 2020 to 2025

CSVChart (SVG)

2302312322332342352362020202120222023202420252020: 230.7 inhabitants per km²2021: 232.5 inhabitants per km²2022: 233 inhabitants per km²2023: 233.8 inhabitants per km²2024: 234.6 inhabitants per km²2025: 235.3 inhabitants per km²
inhabitants per km². Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09, published 2026-03-26.
All 6 values
Periodinhabitants per km²
2025235.3
2024234.6
2023233.8
2022233
2021232.5
2020230.7

Compared with Maryland and United States

Place2025
Harford County235.3
Maryland249.1
United States37.3

Rankings

Definition

Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.

United States: Census Bureau population estimates for 1 July divided by land area (water excluded) from the latest Census Gazetteer files. US tables often give people per square mile; multiply persons per km² by 2.59 to compare.

How to cite

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.

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Questions

What is the population density in Harford County?

Population density in Harford County was 235.3 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 7th highest of 24 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². Retrieved by Invokely on 2026-10-09.

What was the highest population density in Harford County?

235.3 inhabitants per km² in 2025, the highest value since 2020 in this series.

More statistics for Harford County

All statistics for Harford County