Tierra Blanca is a district of the Cartago canton, in the Cartago province of Costa Rica.

Tierra Blanca was created on 5 December 1919 by Decreto Ejecutivo 22.

Tierra Blanca has an area of 12.75 km² and an elevation of 2,080 metres. It is located about 3 miles north of the city of Cartago, Costa Rica; resting on the slopes of the mountain whose summit is the Irazú Volcano.

Historical population

Census	Pop.	±% p.a.
1927	1,102	—
1950	1,819	+2.20%
1963	2,284	+1.77%
1973	2,656	+1.52%
1984	3,527	+2.61%
2000	4,639	+1.73%
2011	5,103	+0.87%
2022	4,635	−0.87%
Source: Instituto Nacional de Estadística y Censos Centro Centroamericano de Población

For the 2011 census, Tierra Blanca had a population of 5,103 inhabitants.

The district is covered by the following road routes:

• National Route 401

Tierra Blanca is a small farming community made up of about 5,000 inhabitants of mostly Spanish descent. The people of Tierra Blanca farm mostly potatoes, onions and carrots, with a few who farm strawberries as well. The climate is moderate, but cold in comparison with the rest of Costa Rica.