Harford County, Maryland: Realigning Affluent Suburb county. In 2024, voted R+14%. Democratic peak: D+74 in 1912.
Key facts
- 2024 presidential margin
- R+14MIT Election Lab
- Political typology
- Realigning Affluent SuburbAkashic typology
- Population
- 263,7572024 5-year
- Median household income
- $112,2652024 5-year
- White (non-Hispanic)
- 73.0%2024 5-year
- Black
- 14.3%2024 5-year
- Hispanic / Latino
- 5.8%2024 5-year
- Peak Democratic margin
- D+74 in 1912MIT Election Lab
- Peak Republican margin
- R+48 in 1972MIT Election Lab
- Most similar
- Carroll County, MD · similarity 0.99
2024 results by precinct
2024 precinct map of Harford CountyPrecinct-level 2024 presidential results for Harford County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +14.3% |
| 1896 | −0.2% |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | +74.1% |
| 1916 | +18.2% |
| 1920 | −0.5% |
| 1924 | +3.8% |
| 1928 | −29.6% |
| 1932 | +20.9% |
| 1936 | +7.3% |
| 1940 | −8.3% |
| 1944 | −16.5% |
| 1948 | −5.7% |
| 1952 | −22.4% |
| 1956 | −31.5% |
| 1960 | −13.1% |
| 1964 | +15.2% |
| 1968 | −19.2% |
| 1972 | −47.7% |
| 1976 | −10.0% |
| 1980 | −13.1% |
| 1984 | −37.1% |
| 1988 | −31.9% |
| 1992 | −11.4% |
| 1996 | −12.7% |
| 2000 | −18.8% |
| 2004 | −28.3% |
| 2008 | −18.8% |
| 2012 | −18.4% |
| 2016 | −23.4% |
| 2020 | −12.0% |
| 2024 | −13.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 62,453 | 83,050 | 150,090 | ||
| R | 63,095 | 80,930 | 148,186 | ||
| R | 47,077 | 77,860 | 131,596 | ||
| R | 49,729 | 72,911 | 125,954 | ||
| R | 48,552 | 71,751 | 123,295 | ||
| R | 39,685 | 71,565 | 112,728 | ||
| R | 35,665 | 52,862 | 91,424 | ||
| R | 29,779 | 39,686 | 78,191 | ||
| R | 27,164 | 36,350 | 80,687 | ||
| R | 19,803 | 38,493 | 58,566 | ||
| R | 17,133 | 37,382 | 54,642 | ||
| R | 20,042 | 26,713 | 50,941 | ||
| R | 19,890 | 24,309 | 44,199 | ||
| R | 8,737 | 25,141 | 34,366 | ||
| R | 9,914 | 15,799 | 30,691 | ||
| D | 13,550 | 9,968 | 23,518 | ||
| R | 9,293 | 12,090 | 21,383 | ||
| R | 6,588 | 12,657 | 19,245 | ||
| R | 6,809 | 10,770 | 17,659 | ||
| R | 5,494 | 6,168 | 11,750 | ||
| R | 4,839 | 6,751 | 11,590 | ||
| R | 5,500 | 6,501 | 12,060 | ||
| D | 6,165 | 5,327 | 11,531 | ||
| D | 6,073 | 3,954 | 10,134 | ||
| R | 3,506 | 6,479 | 10,040 | ||
| D | 3,841 | 3,545 | 7,758 | ||
| R | 4,134 | 4,175 | 8,374 | ||
| D | 3,345 | 2,302 | 5,732 | ||
| D | 5,972 | 1,737 | 5,713 | ||
| — | 5,833 | 3,148 | 82 | ||
| — | 6,924 | 2,561 | 121 | ||
| — | 3,509 | 3,145 | 20 | ||
| R | 3,360 | 3,374 | 7,105 | ||
| D | 3,309 | 2,449 | 6,022 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
20.2%
Irish
14.9%
English
12.4%
Italian
8.3%
Polish
5.5%
American
4.4%
Scottish
1.8%
African American
11.4%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 40.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$112,265
Harford County ranks in the top 0.5% of US counties.
Harford County$112,265
Maryland$103,678
United States$80,734
Harford County ranks in the top 0.5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
7.1%
Child poverty is below the national average.
Children under 187.7%
Working age (18–64)6.6%
Seniors (65+)10.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
91.4%
speak English only
Spanish3.4%
Other Indo-European2.6%
Asian & Pacific Islander1.5%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 65.0% of residents not counted as adherents by any reporting body.
Harford County sits at the northeastern edge of the Baltimore metro, where lower-density development and a large military presence around Aberdeen Proving Ground have anchored consistently Republican margins in statewide and national contests.
Once reliably Republican — a margin of forty-eight points in 1972 at its widest — Harford County has trended Democratic. Between 2020 and 2024 the county moved two points toward the Republican candidate; the 2024 margin was fourteen points.
A median household income of $112,265 — among the higher at this geographic scale — and a population of 263,757 describe the county. The county's voting pattern over the last decade is most similar to that of Carroll County and Campbell County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Harford County, Maryland. Akashic. https://akashic.app/county/24025/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Maryland
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Frequently asked questions
How did Harford County, Maryland vote in 2024?
In 2024, Harford County, Maryland voted Republican by 13.7 points (R+14), carried by the Republican candidate. Out of 150,090 votes cast, 62,453 went Democratic and 83,050 went Republican.
What is Harford County, Maryland's political typology?
Akashic places Harford County, Maryland in the "Realigning Affluent Suburb" typology — College-educated, affluent suburbs — the one bloc moving toward the Democratic Party. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 7 times, Republican 24 times, and other 0 times.
When did Harford County, Maryland last vote Democratic?
The most recent presidential election in which Harford County, Maryland voted Democratic was 1964.
How many people live in Harford County, Maryland?
Harford County, Maryland has a population of 263,757 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Harford County, Maryland?
Median household income in Harford County, Maryland is $112,265 — above the national median of $80,734. The Maryland state median is $103,678.
What is the political history of Harford County, Maryland?
Akashic tracks 38 presidential elections in Harford County, Maryland from 1876 to 2024. Of those, 7 went Democratic and 24 went Republican. The county's typology — "Realigning Affluent Suburb" — captures where that record, its demographics, and its recent swing place it among American communities.