What is the link between housing availability & Regional Economic Growth? An insufficient supply of housing has slowed economic growth nationally. Housing production across the US and in the Indianapolis Region has not kept up with demand. Commuting patterns are not expected to change. While Marion and Hamilton Counties are expected to capture the largest share of job growth, other counties will continue to experience housing demand due to commuting patterns. Within every county, some portion of residents commute outside the Region* for work. Read more. Download PDF