Zip code 61370, located in Tonica, Illinois, contains a unique Low-Income Housing Tax Credit (LIHTC) funded affordable housing inventory. This zip code encompasses 40.76 square miles and had a population of 883 in 2022. The area contains 16 affordable housing units, all of which are designated as low-income units. Based on the national average household size of 2.61, the estimated housing inventory for this zip code is approximately 338 units. The LIHTC funded affordable housing represents about 4.7% of the estimated housing inventory in this zip code.

The LIHTC program has provided $23,713 in tax credits for affordable housing projects in zip code 61370. With 16 total units funded, this translates to an average of approximately $1,482 in federal funding per unit. The affordable housing in this zip code is represented by a single project, Tonica Manor, which was completed in 1989. This project has been providing affordable housing options in the area for over three decades. Tonica Manor consists of 16 units, including 12 one-bedroom and 4 two-bedroom apartments, catering to various household sizes within the low-income community.

Over the past decade, the population in zip code 61370 has fluctuated, with a peak of 1,038 residents in 2019 and a decline to 883 by 2022. The median income has shown a general upward trend, rising from $54,802 in 2013 to $68,387 in 2022, indicating an overall improvement in economic conditions. Racial demographics have remained relatively stable, with the white population consistently representing the majority. However, there has been a slight increase in diversity, with the Hispanic population growing from 4% in 2013 to 7% in 2022. The introduction of small percentages of Asian and Black residents in recent years also suggests a gradual diversification of the community.