akashic
1876–2024
Ogle County, Illinois
Ogle County·Illinois

Ogle County has voted Republican for as long as anyone can remember.

A north-central Illinois county where the GOP margin has widened each cycle since 2008

18762024·38 elections
Ogle County, Illinois · A. McMurray (A mcmurray) · Wikimedia Commons
Latest
R+29
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
51,495
2024 ACS
Most similar
Allegan County
MI · similarity 0.99
51 precincts · 25,799 votes cast
Trump · R+29
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024R
−29.3%
8,88316,45025,799
2020R
−25.9%
9,42816,24826,340
2016R
−26.0%
8,05014,35224,193
2012R
−16.7%
9,51413,42223,367
2008R
−7.6%
11,25313,14424,850
2004R
−24.5%
9,01814,91824,091
2000R
−22.6%
7,67312,32520,601
1996R
−15.2%
6,7659,55818,335
1992R
−12.4%
6,5129,00820,109
1988R
−34.5%
5,64111,64417,394
1984R
−47.3%
4,80313,50318,396
1980R
−44.9%
4,06712,53318,871
1976R
−25.9%
6,46311,07317,797
1972R
−47.9%
4,74313,51218,290
1968R
−44.0%
4,39912,16817,641
1964R
−20.3%
6,91710,43017,347
1960R
−46.8%
4,79213,22618,025
1956R
−56.5%
3,66013,19416,870
1952R
−55.7%
3,79613,35117,163
1948R
−42.8%
3,7969,51913,378
1944R
−45.7%
3,95110,68014,712
1940R
−41.8%
4,83311,83816,742
1936R
−24.4%
5,7769,57615,546
1932R
−20.2%
5,4168,22413,912
1928R
−56.7%
2,6919,80812,546
1924R
−58.1%
1,5918,44911,799
1920R
−67.7%
1,7209,32211,233
1916R
−44.2%
3,2078,63912,283
1912R
−3.9%
1,7502,0146,745
1908R
−44.1%
1,7614,8487,002
1904R
−57.4%
1,2095,1096,799
1900R
−40.5%
2,1715,2557,619
1896R
−40.7%
2,1425,2107,529
1892R
−26.1%
2,2443,9396,499
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
African American
1.0%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
24.6%
Mainline Protestant
9.4%
Other Christian
5.7%
Methodist
4.8%
Pentecostal & Holiness
2.9%
Source · 2020 US Religion Census. Remaining 52.6% of residents not counted as adherents by any reporting body.

Ogle County's mix of small manufacturing towns and agricultural townships has trended steadily more Republican over the past four presidential cycles, reaching a 29-point margin in 2024 despite modest population decline.

The Republican margin in Ogle County reached its widest at sixty-eight points in 1920. The margin in 2024 was twenty-nine points, in line with the county's deep historical pattern.

Ogle County's loyalty is rooted in its place. Median household income of $82,132, a 86% non-Hispanic-white share, and a population of 51,495 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Allegan County and Orange County.