Sioux City's Zillow ZHVI typical home value is $202,782, while ZORI typical observed market rent is $1,216 monthly. That produces a 7.2% gross yield before every operating cost, vacancy, financing and capital work. The Zillow value equals 2.94x ACS median household income, and annual Zillow rent equals 21.2% of that income. These citywide ratios frame initial affordability and revenue capacity, not a property's attainable rent, condition-adjusted value or net return.
The city has 35,001 housing units; 5.9% are vacant, 34.7% of occupied units are renter-occupied, and 74.0% of all units are single-family. ACS reports a $173,600 median home value and $976 median gross rent, which includes contract rent plus selected utilities. Those ACS medians describe surveyed occupied housing and are neither the same measures nor the same period as Zillow's typical value and observed market rent; they should not be averaged or substituted.
Direct city depth is mixed. The ACS rent-burden share is 43.1%, while large multifamily structures make up 8.5% of units and for-rent vacancies are 25.1% of vacant units. The median year built is 1957. Population changed by 4.3% between overlapping ACS vintages; that is not an annual rate and may also reflect boundary changes. Median household income is $68,906, with poverty at 15.3% and unemployment at 4.5%. These city surveys describe broad demand constraints and housing-stock composition, but cannot identify available investment inventory, prove lease-up speed or diagnose a specific building.
Because Sioux City crosses Plymouth County and Woodbury County, the county records must remain separate. In Plymouth County, county records show an investor share of 8.6% and an effective property-tax rate of 1.1%. In Woodbury County, county records show an investor share of 15.6% and an effective property-tax rate of 1.5%. The broader metro reports jobs down 1.0% and 2 months of for-sale supply, pairing softer labor context with limited listed-supply context. The national Freddie Mac mortgage rate is 6.66%, a financing benchmark rather than a city borrowing quote.
Underwriting is limited by citywide Zillow and ACS aggregation, differing measurement periods, survey error, and county or metro denominators that do not describe a parcel. Next, verify the address, parcel's county, legal use, current rent roll, lease terms, tenant-paid utilities, delinquency and actual vacancy. Obtain a property-specific tax bill, insurance and hazard review, inspection, repair and capital plan, comparable rents and sales, management costs, and a live financing quote before building a net operating model.