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

Metadata

Documentation in PDF DDI/XML JSON

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Created on

Sep 03, 2025

Last modified

Sep 03, 2025

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Age in months (US1880B_AGEMONTH)

Data file: USA1880_PHC-10PCT-P-H

Overview

Type: Discrete

Start: 303

End: 304

Width: 2

Range: -

Format: Numeric

Questions and instructions

Literal question

06. Age:</p>
<div class="i1">If under 1 year, give months in fractions, thus, 3/12.<br /><br />____ Age at last birthday prior to June 1, 1880.<br /><br />07. ____ If born within the census year, give the month</div>

Categories

Value	Category
00	0 months old
01	1 month old
02	2
03	3
04	4
05	5
06	6
07	7
08	8
09	9
10	10
11	11
99	NIU (not in universe) or blank

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition

Age in months.

Universe

United States 1880 (10%): Persons below 1 year old

concept

Concept

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