The median income in Hamilton has shown an overall upward trend, increasing from $42,173 in 2013 to $52,722 in 2022. This represents a growth of about 25% over the decade, outpacing inflation and suggesting real economic improvement for residents. The population has also grown steadily, from 14,222 in 2013 to 15,376 in 2022, an increase of about 8%. This population growth, combined with the rising median income, indicates a generally positive economic trajectory for the area.

While the area has remained predominantly white, the small increases in Hispanic and multiracial populations have coincided with overall economic growth. This suggests that the modest increase in diversity has not negatively impacted the area's economic development. The gradual diversification may be contributing to the economic vitality of the region, bringing in new skills, businesses, or cultural influences that enhance the local economy.

Hamilton's demographic makeup is consistent with many rural areas in Montana and other parts of the rural Northwest, which tend to have less racial diversity compared to urban areas or the national average. The slow pace of diversification is also typical for such regions. The economic growth observed in Hamilton aligns with broader trends of economic recovery and growth in the United States following the 2008 recession.

Hamilton, Montana (zip code 59840) remains a Low Diversity area with a strong White Majority, with small signs of increasing diversity. These demographic shifts, though minor, have occurred alongside steady economic growth, suggesting a stable and gradually evolving community. The area appears to be experiencing slow but positive change, both demographically and economically, while maintaining its distinct rural character.