The U.S. interior design industry has experienced significant expansion over the past decade, but rising material costs and economic uncertainty signal a potential slowdown, according to a recent report from the American Society of Interior Designers (ASID).
Interior design businesses generated an estimated $29.2 billion in sales in 2024, up 8% from the previous year. ASID projects continued growth, albeit at a slower pace, with sales reaching $30.9 billion in 2025 and $32.6 billion in 2026. While the number of professionals remains high at approximately 128,509 in 2025, it has slightly declined from 2024, reflecting a moderation after years of rapid expansion.
Certain states, including California, Florida, New York, Texas, and Illinois, dominate the industry, collectively accounting for $15.8 billion in projected sales. Despite a slight decline in professionals, the number of interior design firms is forecasted to rise to 17,475 in 2025, most of which are small businesses with fewer than ten employees.
Rising sales indicate homeowners’ growing interest in investing in health, sustainability, and livability in their spaces, with designers emphasizing air quality, natural light, resilient materials, and adaptive reuse. Renovations and remodels are increasingly preferred over new builds due to higher interest rates and material costs.
The report also highlights the growing professionalization of interior design, with more designers obtaining Council for Interior Design Qualification (CIDQ) certification, demonstrating expertise in building codes, safety, accessibility, and sustainable practices. As ASID notes, this ensures homeowners receive not only aesthetic guidance but also practical, code-compliant solutions that enhance value and safety.
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