Updated 2026 · Based on median market data for Sioux City, IA
The median monthly rent in Sioux City, IA is $950, translating to $11,400 in annual gross rental income per unit. The rent-to-price ratio is 0.61% — well below the 1% rule, making pure cash flow investing challenging at median prices.
Renters in Sioux City spend approximately 24% of the local median household income ($48,200) on rent. This is well below the 30% threshold, suggesting significant headroom for rent increases. Tenants can afford to pay more, which is bullish for landlords.
The vacancy rate in Sioux City is 6.2%. This is a healthy vacancy rate that indicates balanced supply and demand. You should be able to find quality tenants without extended vacancies, though expect normal turnover periods of 2-4 weeks between tenants. Population growth of 0.1% annually provides stable demand.
Sioux City's GRM (price divided by annual rent) is 13.6x. A GRM between 12-16x is moderate and typical of balanced markets. Deals can work but you need to keep expenses controlled. For comparison, the national average GRM for investment-grade rentals is approximately 13-15x.
At the median rent of $950/mo, a single-family rental in Sioux City generates approximately $11,400 in gross annual income. After accounting for 6.2% vacancy ($707 lost), property taxes of $2,387, insurance (~$620), and maintenance (~$620), the estimated NOI is $7,066 per year, or $589/mo.