Cerro Gordo County, Iowa

2024 results by precinct

23 precincts · 23,020 votes cast

Trump · R+12

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	R	−11.6%	9,955	12,627	23,020
2020	R	−6.3%	10,941	12,442	23,801
2016	R	−7.6%	9,862	11,621	23,137
2012	D	+13.4%	13,316	10,128	23,824
2008	D	+20.8%	14,405	9,375	24,140
2004	D	+9.8%	13,372	10,960	24,516
2000	D	+12.6%	12,185	9,397	22,162
1996	D	+21.3%	11,943	7,427	21,227
1992	D	+13.0%	11,415	8,250	24,293
1988	D	+15.6%	12,857	9,358	22,365
1984	D	+1.6%	11,570	11,214	22,950
1980	R	−8.0%	9,363	11,189	22,828
1976	D	+2.6%	11,189	10,604	22,196
1972	R	−11.0%	9,460	11,856	21,693
1968	R	−10.4%	8,554	10,661	20,310
1964	D	+25.0%	13,156	7,884	21,071
1960	R	−12.2%	10,044	12,830	22,889
1956	R	−14.1%	9,362	12,449	21,841
1952	R	−22.5%	8,354	13,207	21,608
1948	D	+9.6%	9,544	7,840	17,682
1944	D	+4.5%	9,088	8,311	17,459
1940	D	+5.4%	10,839	9,728	20,612
1936	D	+11.8%	9,694	7,599	17,794
1932	D	+8.8%	8,752	7,317	16,218
1928	R	−32.1%	4,908	9,582	14,567
1924	R	−49.4%	1,345	8,410	14,291
1920	R	−54.7%	2,302	8,293	10,951
1916	R	−21.1%	2,289	3,556	5,999
1912	D	+7.8%	1,742	1,334	5,202
1908	R	−31.5%	1,520	2,990	4,668
1904	R	−54.5%	836	3,108	4,169
1900	R	−42.1%	1,320	3,345	4,811
1896	R	−35.9%	1,408	3,048	4,568
1892	R	−26.2%	1,209	2,133	3,525
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

1.8%

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. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 44.0 in this county, 39.1 nationally

Male

Age

Female

1.3%

85+

1.9%

2.7%

75–84

4.0%

6.6%

65–74

7.1%

7.3%

55–64

7.3%

5.3%

45–54

5.8%

6.1%

35–44

5.3%

5.7%

25–34

5.7%

3.8%

18–24

3.4%

8.1%

5–17

7.6%

2.6%

2.5%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$68,189

Cerro Gordo County ranks near the middle of US counties.

Cerro Gordo County$68,189

Iowa$75,059

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

10.6%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

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

Mainline Protestant

23.3%

Catholic & Orthodox

14.4%

Other Christian

10.4%

Methodist

7.2%

Baptist

1.3%

Non-Christian

0.8%

Pentecostal & Holiness

0.3%

Source · 2020 US Religion Census. Remaining 42.3% of residents not counted as adherents by any reporting body.

Cerro Gordo, anchored by Mason City, was a Democratic-leaning industrial county as recently as the 2000s but posted an R+11.6 margin in 2024, reflecting a broader working-class realignment across Iowa's small manufacturing cities.

The Democratic margin in Cerro Gordo County has rarely exceeded twenty-five points in modern history; the Republican margin has rarely exceeded fifty-five points. 2024 delivered the county to the Republican candidate by twelve points.

Cerro Gordo County's demographics resemble the country more than they resemble most counties. A 90% non-Hispanic-white share, a 11% poverty rate, and a median household income of $68,189 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Des Moines County and Mower County.

Most similar counties

Cerro Gordo County votes the way the country votes.