Grafton Population

1890–2026

3,989

2026 projection

4.3% since 2020 (decrease)

01K2K3K4K5K6K1900192019401960198020002020

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 Grafton. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,989-340.85%
20254,023-40.10%
20244,027-280.69%
20234,055-892.15%
20224,144-20.05%
20214,146-240.58%
20204,170-410.97%
20194,211-40.09%
20184,215-521.22%
20174,26700.00%

Showing 10 of 29 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

Grafton has a population change about the same as Walsh County, and lower than North Dakota and the U.S.

  • United States+3.1%
  • North Dakota+2.5%
  • Grafton−3.3%
  • Walsh County−3.4%

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.

Grafton Demographics

43.2median age

Median age

Female43.7 yrs
Male41 yrs

Adults

3,225
930 seniors (65+) · 29% of adults2,295 other adults

Sex

Female 50.4% · 2,068Male 49.6% · 2,034

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 41 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

Grafton Income

$62,679median household income

Median household income

$62,679

Half of households earn more, half earn less

Median earnings

$47,667

Typical yearly pay for a worker 25 or older.

Poverty rate

14.4%

About 1 in 7 residents

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

Grafton Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%50%48%
Never married28%36%21%
Divorced12%11%13%
Widowed8%2%13%
Separated3%<1%5%

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