Mason Population

1860–2026

8,251

2026 projection

0.4% since 2020 (decrease)

02K4K6K8K10K186018801900192019401960198020002020

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 Mason. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,251-130.16%
20258,264+420.51%
20248,222+190.23%
20238,203-40.05%
20228,207-340.41%
20218,241-420.51%
20208,283-420.50%
20198,325-110.13%
20188,336-400.48%
20178,376-340.40%

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

Mason has a population change lower than Ingham County, Michigan, and the U.S.

  • United States+3.1%
  • Ingham County+1.7%
  • Michigan+0.6%
  • Mason−0.1%

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.

Mason Demographics

40.7median age

Median age

Female44.5 yrs
Male35.8 yrs

Adults

6,577
1,599 seniors (65+) · 24% of adults4,978 other adults

Sex

Female 49% · 4,046Male 51% · 4,203

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 82 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

Mason Income

$79,117median household income

Median household income

$79,117

Half of households earn more, half earn less

Median earnings

$49,453

Typical yearly pay for a worker 25 or older.

Poverty rate

5.3%

About 1 in 19 residents

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

Mason Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%45%44%
Never married33%40%26%
Divorced15%12%18%
Widowed7%3%12%
Separated<1%<1%<1%

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