1990 Census of Population and Housing - IPUMS Subset

United States, 1990

Get Microdata

Reference ID

USA_1990_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

U.S. Census Bureau, IPUMS

Collection(s)

Integrated Public Use Microdata Series (IPUMS)

Metadata

Documentation in PDF DDI/XML JSON

Study website Interactive tools

Created on

Sep 24, 2014

Last modified

Aug 01, 2025

Page views

35204

Downloads

628

Earned income (INCEARN)

Data file: USA1990_PHC-P-H.dat

Overview

Type: Continuous

Decimal: 0

Start: 174

End: 181

Width: 8

Range: -

Format: Numeric

Description

Definition

INCEARN reports the person's total income from their labor (from wages, a business, or a farm) in the previous month or year.

concept

Concept

var_concept.title	Vocabulary
Income Variables -- PERSON	IPUMS

Imputation and derivation

Derivation

INCEARN is an 8-digit numeric variable.

Codes99999998 = Unknown/missing.
99999999 = NIU (not in universe).

Top codes:Canada 1971: 50,000+
Canada 1981: 75,000+
Canada 2001: 200,000+
Israel 1972: 16,000+
Israel 2008: 275,653+
Mexico 1990: 90,000,000+
Mexico 2000: 999,998+
Mexico 2010-2020: 1,000,000+
Panama 2000: 9,997+
Puerto Rico 1990: 999,999+
Puerto Rico 2000: 310,000+
U.S.A. 1990: State median of values over 284,000
U.S.A. 2000: 310,000+
U.S.A. 2005: 9,999,999+
Venezuela 1971: 2000+

Bottom codes:Canada 1981-2001: -50,000
Puerto Rico 1990-2020: -9,999
U.S.A. 1990: -19,996
U.S.A. 2000-2005, 2015-2020: -9,999
U.S.A. 2010: -9,900

Back to Catalog