Income inequality has an effect in the broad social capital of a city since it gives rise to separate cultures of poverty. Persons in poverty are unable to prioritize spending on maintenance of physical living spaces, which leads to blighted neighborhoods. They are unable to contribute properly to the tax base, which makes it more difficult for public agencies to supply public services. Income disparities are greater today than at any other time since the 1920s in Harris County and greater in America than in any other country (Klineberg, 2005)
Sustainability Benefit: Median household income earnings in Houston have increased over time.
Sustainability Issue: The top 20 percent of earners report fluctuating incomes.