United States Census of 1880 - IPUMS Subset

United States, 1880

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Reference ID

USA_1880_PHC-10PCT_v01_M_v7.5_A_IPUMS

Producer(s)

Department of the Interior, IPUMS

Collection(s)

Integrated Public Use Microdata Series (IPUMS)

Metadata

DDI/XML JSON

Created on

Aug 01, 2025

Last modified

Aug 01, 2025

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8850

State Economic Area (US1880B_SEA)

Data file: USA1880_PHC-10PCT-H-H

Overview

Type: Continuous

Start: 215

End: 217

Width: 3

Range: -

Format: Numeric

Questions and instructions

Literal question

Schedule 1: Free Inhabitants in ____, in the County of ____, State of ____, enumerated by me, on the ____day of ____, 1880.</p>

<p>____, Enumerator.

Description

Definition

This variable indicates the State Economic Area (SEA). SEA are generally either single counties or groups of contiguous counties within the same state that have similar economic characteristics.
SEAs have been constructed by combining counties to match, as closely as possible, the components of the 1940-1950 SEAs, when the SEAs were originally defined. However, shifts in county boundaries, primarily resulting from the creation of new counties as populations shifted and grew, mean that these earlier SEAs do not always contain exactly the same territory as their 1940-1950 counterparts.

Universe

United States 1880 (10%): All households

concept

Concept

Imputation and derivation

Derivation

This is a 3-digit numeric variable with 0 implied decimal places

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