McCormick County, South Carolina Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 45th-largest in South Carolina
The population of McCormick County, South Carolina is 9,701 as of the 2023 American Community Survey, making it the 45th-largest county in South Carolina. The median household income is $55,344, the median home value is $159,000, and the median age is 58.7.
The population of McCormick County has declined 2.2% since 2010 (10,210 → 9,983), a -0.16% annualized rate.
9,701
Population
-0.16%
Annual growth
27
People / sq mi
$55,344
Median Income
$159,000
Median Home Value
McCormick County covers 359 sq mi of land at 27.0 people per square mile.
About McCormick County, SC
Age is the most distinctive thing about McCormick County: a median age of 58.7, older than the national median. With 9,701 residents, McCormick County is a county in South Carolina. It ranks #45 among counties in South Carolina by population.
Earnings trail the nation, with the median household making $55,344, below the US median of $78,538. Poverty runs at 10.5%, below the national 12.4%. Median home value is $159,000, with typical rent around $666.
Roughly 23.1% of adults have a bachelor’s, below the national 35.0%. About 10.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 36 minutes each way.
The age structure shapes everything downstream in McCormick County — from housing demand to the mix of working-age earners reflected in the income figures above.
McCormick County Population History (2010-2024)
The county of McCormick County had a population of 10,210 in 2010 and 9,983 in 2024, a -2.2% growth over 14 years. The peak was 10,210 in 2010. Average annual growth rate: -0.15%.
9,983
Population (2024)
10,210
Population (2010)
10,210
Peak (2010)
-0.15%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,210 |
| 2011 | 10,017 |
| 2012 | 9,926 |
| 2013 | 9,881 |
| 2014 | 9,816 |
| 2015 | 9,671 |
| 2016 | 9,597 |
| 2017 | 9,568 |
| 2018 | 9,417 |
| 2019 | 9,462 |
| 2020 | 9,522 |
| 2021 | 9,768 |
| 2022 | 9,741 |
| 2023 | 9,786 |
| 2024 | 9,983 |
Race & Ethnicity
| White | 54.7% |
| Black or African American | 41.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.1% |
Age & Sex
58.7
Median Age
46.9%
Female
53.1%
Male
37.8%
Age 65+
Age Distribution
Children (under 15): 8.3% · Seniors (65+): 37.8%
Income & Poverty
| Median household income | $55,344$-11,474 vs state |
| Mean household income | $73,615 |
| Per-capita income | $33,437 |
| Poverty rate | 10.5%+0.4% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 34.5% |
Top Industries by Employment
The largest employment sector in McCormick County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.0%
Drive alone
1.6%
Carpool
85.4%
Public transit
10.1%
Work from home
36.4 min
Avg commute
Housing
$159,000$-77,700 vs state
Median home value
$666
Median rent
83.9%
Homeownership rate
5,563
Total housing units
73.8%
Occupied
26.2%
Vacant
16.1%
Renter-occupied
Social & access
95.9%
With health insurance
84.6%
With broadband internet
44.3%
Foreign-born
9.3%
Veterans (18+)
17.3%
With a disability
98.9%
Speak language other than English at home
Education
85.2%
High School+
23.1%
Bachelor's+
Largest cities in South Carolina
Other counties in South Carolina
Part of South Carolina
Metro areas in South Carolina
County rankings
Frequently Asked Questions
McCormick County, South Carolina has a population of 9,701 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 45th-largest county in South Carolina. Population density is 27 people per square mile.
The population of McCormick County has declined 2.2% since 2010 (10,210 → 9,983), a -0.16% annualized rate.
The median household income in McCormick County, South Carolina is $55,344, with mean (average) household income of $73,615 and per-capita income of $33,437. 10.5% of residents live below the federal poverty level.
In McCormick County, the largest racial and ethnic groups are White (54.7%), Black or African American (41.2%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in McCormick County, South Carolina is 58.7 years. Residents are 46.9% female and 53.1% male.
The median home value in McCormick County is $159,000 and median monthly rent is $666. 83.9% of occupied housing units are owner-occupied. The county has 5,563 total housing units, 26.2% of which are vacant.
The largest employment sector in McCormick County, South Carolina is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 2.0%.
Charleston is among the largest cities associated with McCormick County, South Carolina, with a population of 152,014.
McCormick County, SC Climate
McCormick County, SC has an average annual temperature of 16.5°C (62°F) and receives about 1200 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
16.5°C
Avg Temp
1200
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 6° / 42° | 123 mm |
| February | 8° / 46° | 109 mm |
| March | 12° / 54° | 125 mm |
| April | 16° / 61° | 93 mm |
| May | 21° / 69° | 95 mm |
| June | 25° / 76° | 98 mm |
| July | 27° / 80° | 115 mm |
| August | 26° / 78° | 99 mm |
| September | 23° / 73° | 81 mm |
| October | 17° / 62° | 85 mm |
| November | 12° / 53° | 79 mm |
| December | 7° / 45° | 98 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit McCormick County, SC
The most comfortable months to visit McCormick County, SC are typically May, September and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 0°C low). March is usually the wettest month.
Where to stay near McCormick County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.