Question 1

How did Decatur, Iowa vote in the 2024 presidential election?

Accepted Answer

Decatur, Iowa voted Republican in 2024 with a margin of R+46.9. Kamala D Harris received 957 votes and Donald Trump received 2,711 out of 3,739 total votes cast, a 7.6-point shift toward Republicans from 2020.

Question 2

What is Decatur, Iowa's political history?

Accepted Answer

Decatur, Iowa has 40 presidential elections on record, spanning 1868 to 2024. It has voted Republican in every presidential election since 2000. The largest single-election swing was 48.1 points in 1964.

Question 3

What are the demographics of Decatur, Iowa?

Accepted Answer

Decatur, Iowa has a population of 7,759 according to the 2020 Census. The racial composition is 90.2% non-Hispanic white, 3.5% Hispanic, 1.3% Black. About 24% of residents hold a bachelor's degree or higher. Median household income is $59,044.

Question 4

Which places are most similar to Decatur, Iowa?

Accepted Answer

Based on demographic and electoral similarity analysis, the three most similar countys to Decatur, Iowa are Webster, Union, Clinton. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Decatur

Current Iowa Polling

2026 Iowa Senate General Election

2026 Iowa Governor General Election

Ask the Historian

Located In