Mount Pleasant Population

1880–2026

96,654

2026 projection

6.4% since 2020 (increase)

020K40K60K80K100K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Mount Pleasant. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202696,654+1,1851.24%
202595,469-5180.54%
202495,987+4380.46%
202395,549+8400.89%
202294,709+1,7641.90%
202192,945+2,1442.36%
202090,801+5520.61%
201990,249+1,7421.97%
201888,507+2,3902.78%
201786,117+2,6683.20%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Mount Pleasant is growing faster than the U.S., and slower than Charleston County and South Carolina.

  • South Carolina+8.5%
  • Charleston County+6.4%
  • Mount Pleasant+4.6%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Mount Pleasant Demographics

42.6median age

Median age

Female43.8 yrs
Male41.3 yrs

Adults

72,553
17,275 seniors (65+) · 24% of adults55,278 other adults

Sex

Female 51.3% · 48,239Male 48.7% · 45,754

Population by age

MaleFemale85+ years, male: 87485+ years, female: 1,08780–84 years, male: 68880–84 years, female: 1,37875–79 years, male: 1,39675–79 years, female: 1,71070–74 years, male: 2,17670–74 years, female: 2,72665–69 years, male: 2,48165–69 years, female: 2,75960–64 years, male: 2,87260–64 years, female: 3,27455–59 years, male: 2,76455–59 years, female: 3,18650–54 years, male: 3,64950–54 years, female: 3,63745–49 years, male: 3,64545–49 years, female: 3,20540–44 years, male: 3,15640–44 years, female: 4,04435–39 years, male: 3,48235–39 years, female: 3,14130–34 years, male: 3,04230–34 years, female: 3,19925–29 years, male: 2,69125–29 years, female: 2,61620–24 years, male: 1,42920–24 years, female: 1,41915–19 years, male: 2,34415–19 years, female: 2,15310–14 years, male: 3,21610–14 years, female: 3,4595–9 years, male: 2,7815–9 years, female: 2,7940–4 years, male: 3,0680–4 years, female: 2,45285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 940 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

Mount Pleasant Income

$124,755median household income

Median household income

$124,755

Half of households earn more, half earn less

Median earnings

$70,960

Typical yearly pay for a worker 25 or older.

Poverty rate

6.1%

About 1 in 16 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Mount Pleasant Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%63%58%
Never married24%27%21%
Divorced10%7%12%
Widowed5%3%7%
Separated1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources