The zip code 45113 in Clarksville, Ohio, is classified as a "Low Diversity" community as of 2022. The population is 94% white, with a median income of $80,432. This demographic composition has remained relatively stable over the past decade, with the white population consistently above 90%. Minor changes in diversity have occurred, including an increase in the Hispanic population from 1% in 2013 to 4% in 2022. Asian and Black populations have become measurable at 1% each in 2022. The percentage of residents identifying as two or more races has remained stable at 1-2% throughout the decade.

The median income in Clarksville has grown significantly from 2013 to 2022, increasing from $63,199 to $80,432, a rise of approximately 27%. This growth was not linear, with fluctuations including a dip to $60,739 in 2015. The most substantial growth occurred between 2019 and 2020, with median income increasing from $70,321 to $80,713. The population has also grown steadily, from 4,037 in 2013 to 4,639 in 2022, an increase of about 15%.

The income growth in Clarksville surpasses the national average, which typically experiences more modest year-over-year increases. The lack of significant racial diversification contrasts with national trends, where many communities are becoming more diverse over time. The population growth of 15% over a decade is relatively robust, suggesting that Clarksville may be an attractive area for new residents.