Index/Organizations/IPUMS

IPUMS

Integrated Public Use Microdata Series databases maintained at the University of Minnesota

Fact-Checks

6 results
Dec 13, 2025
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How many enslaved people lived in the United States in 1860 and how were they distributed by state?

The 1860 U.S. census enumerated roughly 3.95 million people held in bondage — most commonly reported as 3,953,760 or rounded to about 3.9 million . Those enslaved people were unevenly distributed by s...

Jan 31, 2026
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How many people of Somali ancestry lived in Minnesota each year from 2010–2024 according to the American Community Survey?

estimates in the provided reporting show a in people reporting in from the early 2010s to 2024, with snapshots of roughly 25,000 , ~58,800 , ~91,000 , and about 107–108,000 , but the sources conflict ...

Jan 13, 2026
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How many Somali Minnesotans were born in the U.S. versus abroad according to the ACS?

The American Community Survey (ACS) estimates that a slight majority of Minnesotans of Somali background were born in the United States — roughly “almost 58%” U.S.-born versus about 42% born abroad, a...

Jan 2, 2026

How reliable are ACS estimates for small immigrant communities and what alternative data sources track Somali internal migration?

The American Community Survey (ACS) is the backbone of U.S. research on immigrant populations but it is a blunt instrument for small, dispersed groups: useful for broad counts and socioeconomic snapsh...

Feb 2, 2026

What was the average number of slaves owned by slaveholding households in 1860?

The simplest, defensible answer is that the mean number of enslaved people per in 1860 was roughly — about 3.95 million enslaved people divided by roughly 394,000 recorded slaveholders, yielding an av...

Jan 7, 2026

How do U.S. Census and American Community Survey methods differ in counting ancestry vs. foreign-born populations in Minnesota?

The American Community Survey (ACS) and the Decennial Census collect different kinds of identity data: ancestry is a self-reported cultural/ethnic origin question used in ACS products, while “foreign‑...