12.1 Introduction
Home ownership is associated with a set of characteristics that often impact the likelihood of being counted in the Census. A lot of the relationships between tenure and other demographic characteristics have already been covered in earlier Chapters of this book but some are repeated here.
The number and share of the population living in rental housing units has increased since 2010. In the 2010 Census, there were 99.5 million people (33% of the total population) living in rental housing units but the 2016 American Community Survey (U.S. Census Bureau 2018a) shows 111 million people living in rental units which represents 35.3% of the population. As noted above, the population living in rental housing units had higher net undercount and higher omissions rates than the population living in owner-occupied housing units. All other things being equal, this trend is one more factor that will make the 2020 Census more difficult that the 2010 Census (see Chap. 15 for more on this topic).
12.2 Census Coverage by Tenure
2010 census net undercount rates and omissions rates by tenure
Percent undercount | Population living in owner-occupied housing units | 0.6 |
Population living in renter-occupied housing units | −1.1 | |
Percent omissions (%) | Population living in owner-occupied housing units | 3.7 |
Population living in renter-occupied housing units | 8.5 |
12.3 Differential Census Coverage by Tenure, Race, and Hispanic Origin
2010 census net undercount rates by race, Hispanic Origin, and tenure
Percent undercount | ||
|---|---|---|
Population living in owner-occupied housing units | Population living in rental housing units | |
Total | 0.6 | −1.1 |
Non-Hispanic White Alone | 0.8 | 0.9 |
Black Alone or in Combination | −0.9 | −3.0 |
American Indian and Alaskan Natives Alone or in Combination | 1.3 | −1.9 |
Asian Alone or in Combination | 0.0 | 0.0 |
Native Hawaiian or Pacific Islander Alone or in Combination | 1.8 | −3.7 |
Hispanic Origin | 0.3 | −3.3 |
For Blacks Alone or in Combination, Native Hawaiian or Pacific Islanders Alone or in Combination, and for Hispanics, renters have a net undercount of 3% or more, signaling that these groups are particularly vulnerable to being missed in the Census.
It is worth noting that for Asians Alone or in Combination the net coverage rate for both renters and owners is zero and the net overcount rates for Non-Hispanic Whites Alone owners and renters are nearly identical (0.8% for owners compared to 0.9% for renters). The average income for Asians and Non-Hispanic Whites is above average, which suggests renters who have the means to secure better rental property and may not be disadvantaged in the Census.
12.4 Differential Omissions Rates by Tenure, Race, and Hispanic Origin
Recall that the net Census undercount rate is a balance between people omitted and those included erroneously (mostly double counted). The omissions rate captures the share of a group missed in the Census. DSE is the only method that shows omissions rates.
In many ways the omissions rate is a more meaningful statistic than the net undercount rate because in the net undercount calculation, omissions can be cancelled out by erroneous inclusions or double counting. A net undercount of zero could be the result of no one missed and no one double counted, or for example, 10% were missed, and 10% double counted.
2010 census omissions rates by race, Hispanic Origin, and tenure
Percent omitted | ||
|---|---|---|
Population living in owner-occupied housing units | Population living in rental housing units | |
Total | 3.7 | 8.5 |
Non-Hispanic White Alone | 3.0 | 6.4 |
Black Alone or in Combination | 7.2 | 11.0 |
American Indian and Alaskan Natives Alone or in Combination | 6.6 | 8.8 |
Asian Alone or in Combination | 4.1 | 7.4 |
Native Hawaiian or Pacific Islander Alone or in Combination | 5.6 | 10.1 |
Hispanic Origin | 5.0 | 10.4 |
Some of the more detailed categories of the population living in rental housing units show extremely high omissions rates. Detailed data from the 2010 Census Coverage Measurement program (U.S. Census Bureau 2012, Table D), for example, found Black Alone or in Combination males age 30–49 living in rental housing units had an omissions rate of 19.7% and Black Alone or in Combination males age 18–29 living in rental housing units had an omissions rate of 16.9%. For Hispanic Origin males age 18–29 the omissions rate was 16.1% and for American Indian and Alaskan Native Alone or in Combination males age 30–39 the omissions rate was 12.5%. Word (1997) also shows the powerful effect of tenure on self-response rates in the 1990 Census.
12.5 Net Coverage Rates Over Time by Tenure
Net undercount rates by tenure: 1990, 2000 and 2010
2010 | 2000 | 1990 | |
|---|---|---|---|
Population in owner-occupied housing units | 0.6 | 1.3 | 0 |
Population in rental housing units | −1.1 | −1.1 | −4.5 |
There does not seem to be any linear temporal pattern to the net coverage rates of people living in owner-occupied housing units. The net undercount for the population living in owner-occupied housing units went from zero in 1990 to a net overcount of 1.3% in 2000 but then showed a net overcount rate of 0.6% in 2010.
12.6 Tenure and Socioeconomic Status
Poverty and median household income by tenure: 2015 ACS
Family poverty rate (percent in poverty) | Median household income | |
|---|---|---|
Population in owner-occupied units | 7 | $73,127 |
Population in rental units | 27 | $37,264 |
Another reason renters tend to be covered less well than owners is that many rental units are in multi-unit structures and living in a multi-unit structure is associated with being difficult to enumerate. Among people in single family housing units (including mobile homes) only 20% are in rental units compared to 78% in multifamily structure being in rental units. Also, the population living in rental housing units are more difficult to enumerate because they are more likely to move. The 2016 ACS (U.S Census Bureau 2018b) shows 25% of people in rental units moved in the previous 12 months compared to 8% in owner-occupied units.
12.7 Summary
The population living in rental housing units has a net undercount while those living in owner-occupied housing units are overcounted. In addition, the population in rental housing units have higher omissions rates than the population living in owner-occupied housing units. For every racial group examined here renters tend to be covered less well than owners.
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