[3] Manilla is working to bolster its declining population by providing free land and property tax abatements to attract new residents.

[4] According to the United States Census Bureau, the city has a total area of 1.03 square miles (2.67 km2), all land.

[5] As of the census of 2020,[7] there were 775 people, 328 households, and 204 families residing in the city.

There were 368 housing units at an average density of 346.1 per square mile (133.6/km2).

Hispanic or Latino persons of any race comprised 8.0% of the population.

As of the census[8] of 2010, there were 776 people, 337 households, and 214 families living in the city.

There were 369 housing units at an average density of 358.3 per square mile (138.3/km2).

33.5% of all households were made up of individuals, and 18.1% had someone living alone who was 65 years of age or older.

There were 369 housing units at an average density of 465.8 per square mile (179.8/km2).

30.3% of all households were made up of individuals, and 17.5% had someone living alone who was 65 years of age or older.