Marcovia is a municipality in the Honduran department of Choluteca, on the Gulf of Fonseca.

Marcovia was called Pueblo Nuevo until 1882 when it became a municipality and was renamed Marcovia by the president, Marco Aurelio Soto. The majority of the people in Marcovia used to be from El Salvador.

According to the 2013 census, 53% of the population works in agriculture. Fifty-five percent use some type of private water system, and 48% uses public electricity to light their houses. Eighty-four percent use firewood for cooking and 13% of houses have at least one car. Eighty percent of Morolica has a basic education level.

Historical Population

Year	Population	%+	%+ Yearly
1887	717
1901	1,094	52.6	3.8
1905	958	-12.4	-3.1
1910	961	0.3	0.1
1916	1,019	6.0	1.0
1926	1,496	46.8	4.7
1930	1,804	20.6	5.1
1935	2,217	22.9	4.6
1940	2,721	22.7	4.5
1945	3,302	21.4	4.3
1950	3,598	9.0	1.8
1961	8,903	147.4	13.4
1974	16,619	86.7	6.7
1988	28,153	69.4	5.0
2001	37,824	34.4	2.6
2013	45,639	20.7	1.7
2018 (est.)	47,510	4.1	0.8

Marcovia has 20 Villages (Aldeas) and 140 Hamlets.