Mason City city, IA

Cerro Gordo County, IA

2022 population: 27,271 ( 808 from 2010 )
Land area: 27.9 square miles
Population density: 979.0 persons per square mile

2022 Census data
White:	23,830	87.38%	6.4%
Black:	593	2.17%	21.8%
Indian:	78	0.29%	41.8%
Asian:	330	1.21%	33.1%
2+ races:	631	2.31%	54.3%
Hispanic:	1,794	6.58%	26.4%

Total non-White:	3,441	12.62%	30.9%

2010-2022 Components	Number	Rate

Change in White population:	-1,620	-7.0
Change in Non-White pop.:	812	3.5

Recent Trends
	Votes	Δ Margin	Swing %
2020 vs. 2016	R +284	D +447	D + 3.0%
D +731
How to interpret this table

Click on the Year to view municipality-level data for this county.
(Some years may be unavailable)

Year	Turnout	Winner			Runner-Up			Other		Total Votes	Diff (St)	Diff (US)	PSV
2020	65%	Joe Biden (D)	7,367	52.3%	Donald Trump* (R)	6,445	45.8%	266	1.9%	14,078	-7	-1	0.83%
2016	63%	Hillary Clinton (D)	6,636	48.2%	Donald Trump (R)	6,161	44.8%	964	7.0%	13,761	-6	-1	0.88%

* incumbent PSV: percent of state vote

2020 President, Mason City city

Candidate

Votes

Pct

Joe Biden (D)

7,367

52.3%

Donald Trump* (R)

6,445

45.8%

Jo Jorgensen (Lbt)

123

0.9%

Other

143

1.0%

TOTAL

14,078

Turnout: 65%	Diff (St): -7	Diff (US): -1

2016 President, Mason City city

Candidate

Votes

Pct

Hillary Clinton (D)

6,636

48.2%

Donald Trump (R)

6,161

44.8%

Gary Johnson (Lbt)

527

3.8%

Jill Stein (Grn)

0.7%

Other

341

2.5%

TOTAL

13,761

Turnout: 63%	Diff (St): -6	Diff (US): -1

* incumbent

Historical Statewide Election Results for Mason City city, IA

Click on the Year to view county-level data for that election.
(Some years may be unavailable)

Year	Type	Turnout	Winner			Runner-Up			Other		Total Votes	Diff	PSV
2020	S2	64%	Theresa Greenfield (D)	7,711	55.5%	Joni Ernst* (R)	5,760	41.5%	420 [+]	3.0%	13,891	-10	0.83%
[-] Other candidates in 2020: Rick Stewart (Libertarian) 272 (2.0%); Suzanne Herzog (I) 139 (1.0%); Other (Write-in) 9 (0.1%);
2018	G	52%	Fred Hubbell (D)	5,998	53.1%	Kim Reynolds* (R)	5,060	44.8%	234 [+]	2.1%	11,292	-5	0.85%
[-] Other candidates in 2018: Jake Porter (Libertarian) 171 (1.5%); Gary Siegwarth (Clean Water) 59 (0.5%); Other (Write-in) 4 (0.0%);
2016	S3	62%	Charles Grassley* (R)	7,388	54.5%	Patty Judge (D)	5,515	40.7%	654 [+]	4.8%	13,557	-6	0.88%
[-] Other candidates in 2016: Charles Aldrich (Libertarian) 364 (2.7%); Other (Write-in) 290 (2.1%);
2014	S2	47%	Bruce Braley (D)	5,980	58.8%	Joni Ernst (R)	3,865	38.0%	320 [+]	3.1%	10,165	-14	0.90%
[-] Other candidates in 2014: Rick Stewart (I) 182 (1.8%); Douglas Butzier (Libertarian) 82 (0.8%); Ruth Smith (I) 32 (0.3%); Bob Quast (I) 20 (0.2%); Other (Write-in) 4 (0.0%);
2014	G	47%	Terry Branstad* (R)	5,606	55.2%	Jack Hatch (D)	4,322	42.5%	237 [+]	2.3%	10,165	-4	0.90%
[-] Other candidates in 2014: Lee Hieb (Libertarian) 127 (1.2%); Jim Hennager (New Independent) 75 (0.7%); Jonathan Narcisse (Iowa) 31 (0.3%); Other (Write-in) 4 (0.0%);

*: incumbent +: ran on additional party lines Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election RO: runoff election PSV: percent of state vote

Mason City city, IA

Historical Presidential Election Results for Mason City city, IA

Historical Statewide Election Results for Mason City city, IA