Irwin is a city located in Lancaster County South Carolina. Irwin has a 2024 population of 2,428. Irwin is currently growing at a rate of 13.04% annually and its population has increased by 85.63% since the most recent census, which recorded a population of 1,308 in 2020.
The average household income in Irwin is $50,078 with a poverty rate of 41.15%. The median age in Irwin is 45.2 years: 45.6 years for males, and 38.7 years for females.
According to the most recent ACS, the racial composition of Irwin was:
White
Black or African American
Two or more races
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 702 | 2.66 | 67.4 | 32.6 |
| Female | 245 | 3.88 | 59.6 | 40.4 |
| Married | 240 | 2.55 | 91.7 | 8.3 |
| Non Family | 217 | 1.41 | 49.3 | 50.7 |
| Male | 0 | 0 | 0 | 0 |
2.99
Average Family Size
2.66
Average Household Size
67.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 4.8%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.89% of Irwin residents speak only English, while 1.11% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.11% of the population.
rate
41.15%
Overall Poverty Rate
39.76%
Male Poverty Rate
42.49%
Female Poverty Rate
The race most likely to be in poverty in Irwin is Native, with 100% below the poverty level.
The race least likely to be in poverty in Irwin is White, with 6.74% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 11.97%. Among those working part-time, it was 44.17%, and for those that did not work, the poverty rate was 46.95%.
Married
Widowed
Divorced
Separated
NeverMarried
36.4%
Overall Marriage Rate
34.9%
Male Marriage Rate
38.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
40.86%
Veteran Disability Rate
LaborForceParticipation
57%
Labor Force Participation
50.4%
Employment Rate
11.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
77.89%
Born in Irwin
98.93%
Native Born
1.07%
Foreign Born
1.07%
Non Citizen
0%
Naturalized
98.93% of Irwin residents were born in the United States, with 77.89% having been born in South Carolina. 1.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 2,428 | 280 | 13.04% |
| 2023 | 2,148 | 280 | 14.99% |
| 2022 | 1,868 | 592 | 46.39% |
| 2021 | 1,276 | -32 | -2.45% |
| 2020 | 1,308 | -87 | -6.24% |
| 2019 | 1,395 | 92 | 7.06% |
| 2018 | 1,303 | -219 | -14.39% |
| 2017 | 1,522 | -117 | -7.14% |
| 2016 | 1,639 | 121 | 7.97% |
| 2015 | 1,518 | 164 | 12.11% |
| 2014 | 1,354 | -336 | -19.88% |
| 2013 | 1,690 | 213 | 14.42% |
| 2012 | 1,477 | -114 | -7.17% |
| 2011 | 1,591 | 186 | 13.24% |
| 2010 | 1,405 | 0 | 0% |