Town in Richland County, South Carolina · 6.8 sq mi · 1,809 people per sq mi
About 12,000 people live in Irmo. The typical household earns $80,489, and the median resident is 40.3 years old.
2026 projection
From 11,511 in 2020
Poverty rate 9.15%
Men 37.3 · Women 41.1
1900–2026
12,353
2026 projection
7.3% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1900–2026
12,353
2026 projection
7.3% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 12,353 | +149 | 1.22% |
|---|---|---|---|
| 2025 | 12,204 | +94 | 0.78% |
| 2024 | 12,110 | +172 | 1.44% |
| 2023 | 11,938 | +95 | 0.80% |
| 2022 | 11,843 | +153 | 1.31% |
| 2021 | 11,690 | +179 | 1.56% |
| 2020 | 11,511 | -1,016 | 8.11% |
| 2019 | 12,527 | +132 | 1.06% |
| 2018 | 12,395 | +139 | 1.13% |
| 2017 | 12,256 | +159 | 1.31% |
Showing 10 of 28 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 118 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 11 residents
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 49% | 43% |
| Never married | 38% | 41% | 35% |
| Divorced | 12% | 9% | 15% |
| Widowed | 3% | 1% | 5% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau