Lambs Grove is a city in Jasper County, Iowa, United States.

[3] According to the United States Census Bureau, the city has a total area of 0.10 square miles (0.26 km2), all land.

Hat Rock Park is located near the center of the town.

[5] On March 5, 2022, an EF4 tornado struck the town, although it was much weaker than it was earlier in its lifetime, damaging multiple homes and facilities.

There were 79 housing units at an average density of 773.0 per square mile (298.5/km2).

Hispanic or Latino persons of any race comprised 6.3% of the population.

26.0% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older.

12.5% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.

About 6.2% of families and 5.6% of the population were below the poverty line, including 12.0% of those under the age of eighteen and none of those 65 or over.