Alvord is a city in Lyon County, Iowa, United States.

[3] According to the United States Census Bureau, the city has a total area of 0.28 square miles (0.73 km2), all land.

There were 88 housing units at an average density of 152.4 per square mile (58.8/km2).

There were 85 housing units at an average density of 303.6 per square mile (117.2/km2).

29.1% of all households were made up of individuals, and 15.2% had someone living alone who was 65 years of age or older.

There were 80 housing units at an average density of 292.9 per square mile (113.1/km2).

25.3% of all households were made up of individuals, and 14.7% had someone living alone who was 65 years of age or older.

None of the families and 2.0% of the population were living below the poverty line, including no under eighteens and 16.7% of those over 64.