The research objective was to analyze the potential and contribution of the broiler business as business diversification in increasing household income for furniture entrepreneurs. The research was conducted in Jepara Regency as the center of the furniture industry. The research used a purposive sampling method with 101 respondents. LQ and DLQ analysis is used to explore business potential, while the income contribution uses a business diversification model. The average broiler LQ and DLQ results are 1 and 1.2, while the average broiler income contribution is 52.3% of the total household income of diversified entrepreneurs, by contributing above 50%. Therefore, the broiler business diversification model is the best alternative to increase the household income of furniture entrepreneurs.