Williamston Population

1860–2026

5,052

2026 projection

3.7% since 2020 (decrease)

01K2K3K4K5K6K7K186018801900192019401960198020002020

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 Williamston. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,052-340.67%
20255,086-20.04%
20245,088+130.26%
20235,075-80.16%
20225,083-801.55%
20215,163-851.62%
20205,248-440.83%
20195,292-571.07%
20185,349-180.34%
20175,367-851.56%

Showing 10 of 32 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

Williamston has a population change lower than Martin County, North Carolina, and the U.S.

  • North Carolina+7.2%
  • United States+3.1%
  • Martin County−1.6%
  • Williamston−2.6%

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.

Williamston Demographics

45.4median age

Median age

Female44.6 yrs
Male47.6 yrs

Adults

4,086
1,123 seniors (65+) · 27% of adults2,963 other adults

Sex

Female 57.1% · 2,921Male 42.9% · 2,191

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 51 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

Williamston Income

$38,738median household income

Median household income

$38,738

Half of households earn more, half earn less

Median earnings

$31,077

Typical yearly pay for a worker 25 or older.

Poverty rate

36.3%

About 1 in 3 residents

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

Williamston Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%47%33%
Never married37%33%40%
Divorced16%16%15%
Widowed7%3%9%
Separated2%1%3%

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