As of today, , there are — properties listed for sale in ZIP code 61931 and 0 properties listed for sale in the city of Humboldt. Of those 0 properties, there are 0 single family houses and 0 condos. The last known list price for 525 Jefferson St was $30,000, which is 0% above the current median price of $0 for Humboldt and N/A below the median of $— for 61931. 525 Jefferson St is a single family residential home that is approximately — Sqft, which is N/A below the median size in Humboldt of 0 Sqft and N/A below the median size in 61931 of — Sqft. This property's price per square foot was —, which is N/A below the current median in 61931 of $— and N/A below the Humboldt median of $0.