Final answer:
While the specific Census 2000 data question is not directly answered by the references, it is known that over 19 percent of the U.S. population has some kind of disability as per Census estimates. The impact of disabilities on employment is significant, with higher unemployment rates and lower employment-population ratios for those with disabilities.
Step-by-step explanation:
The question regarding the percentage or amount of families that had at least one member with a disability according to data from the 2000 Census lacks a direct answer within the provided references. However, based on similar data from the Census estimates, it is noted that over 19 percent of the population has some kind of disability. Moreover, according to Okoro et al. (2018), approximately 26% of people in the U.S. have a disability. Disabilities can significantly affect aspects of life such as social status, housing, and employment, with people with a disability facing higher rates of unemployment (14.8% compared to 9.4% for those without a disability in 2010). Furthermore, the majority of people with a chronic condition (96%) do not show visible signs, and a high percentage (73%) of those with severe disabilities do not use personal assistive devices, such as wheelchairs or walkers, challenging common misconceptions about disabilities.