Irmo, South Carolina

Irmo population, 2020 to 2024

Irmo added 595 residents from July 2020 to July 2024, a change of +5.2%. In the latest year it moved by +156. Among 66 South Carolina places of 5,000 or more, that growth ranks 31st; the median place changed by +4.9%. The median place of 5,000+ in South Carolina has 14,078 people, so Irmo is 86% of it.

Irmo covers 6.83 square miles of land, for 1,770 people per square mile of land. The median South Carolina place of 5,000+ has 1,356, so Irmo is denser than the typical town.

The 2 counties Irmo spans

Irmo crosses county lines. The Census county-part estimates split its 12,086 residents as follows; Richland County holds 65.3% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Irmo

2 ZIP Code Tabulation Areas (ZCTAs) overlap Irmo by at least 10% of the ZCTA's or the town's land: 29063, 29212. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Irmo is

The Census internal point of Irmo is at 34.102600, -81.195900. Columbia, the capital, is 11.6 miles SE in a straight line. The nearest larger place is Lexington, SC (25,354 people), 7.7 miles away. The nearest city of 100,000 or more is Columbia, SC, 17.1 miles away.

Daylight in Irmo

At 34.10° N, Irmo gets about 14 h 26 min of daylight around the June solstice and 9 h 53 min around the December solstice, a swing of 4 h 33 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Irmo

The eight nearest incorporated places of 1,000+ in South Carolina, measured between internal points. The closest is Lexington, 7.7 miles away, with 25,354 people.