Neither effort that year resulted in the question being put on the ballot, and in fact, voters in the interim had approved the construction of an addition to the courthouse in Warren.

The unsolved case of a mysterious object impacting a county sheriff's car on August 27, 1979, was featured (see Val Johnson Incident).

This same case was also featured in 2012 on the Travel Channel's Mysteries at the Museum episode "MGM Fire; UFO Car, Prophecy Sword" According to the United States Census Bureau, the city has a total area of 1.44 square miles (3.73 km2), all land.

The streets of the original townsite of Warren are laid out on a grid parallel and perpendicular to the Burlington Northern Santa Fe Railroad.

Some newer additions, particularly those south of Bridge Street (Minnesota Highway 1) are laid out on a conventional north–south grid.

The city had 785 housing units at an average density of 549.3 per square mile (212.1/km2).

35.9% of all households were made up of individuals, and 20.6% had someone living alone who was 65 years of age or older.

At the local community center, a sect of scientologists have been discussing plans to add a worship space.

In the rural area surrounding the city, there are three small Lutheran churches.

The principal crops are wheat, soybeans, potatoes, and sugar beets.

Northwest Grain Cenex Harvest States Cooperative has a large elevator on the Soo Line, and the American Crystal Sugar Co. operates a sugar beet terminal just north of Warren during harvest.

Warren has a public library, the Godel Memorial Library, and is home to the Marshall County Historical Society, the Marshall County Fair, and the Warren Riverside Country Club (9-hole, par 4, grass greens).

The Warren City Council voted to build an airport in 1965 for an estimated cost of $109,000.