Mason County Population

1860–2026

72,571

2026 projection

9.9% since 2020 (increase)

020K40K60K80K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202672,571+1,4061.98%
202571,165+1,4062.02%
202469,759+9911.44%
202368,768+5240.77%
202268,244+9731.45%
202167,271+1,2301.86%
202066,041-8981.34%
201966,939+1,4062.15%
201865,533+1,7642.77%
201763,769+1,6032.58%

Showing 10 of 31 years.

Mason County Demographics

44.7median age

Median age

Female46.2 yrs
Male43.2 yrs

Adults

54,709
16,468 seniors (65+) · 30% of adults38,241 other adults

Sex

Female 48% · 32,665Male 52% · 35,317

Population by age

MaleFemale85+ years, male: 68485+ years, female: 78580–84 years, male: 79980–84 years, female: 1,09575–79 years, male: 1,42575–79 years, female: 1,36370–74 years, male: 2,50070–74 years, female: 2,49465–69 years, male: 2,64665–69 years, female: 2,67760–64 years, male: 2,79160–64 years, female: 2,62555–59 years, male: 2,24655–59 years, female: 2,40550–54 years, male: 1,88750–54 years, female: 1,81645–49 years, male: 1,95545–49 years, female: 1,62340–44 years, male: 1,92040–44 years, female: 1,96635–39 years, male: 2,45935–39 years, female: 1,90430–34 years, male: 2,34030–34 years, female: 1,98525–29 years, male: 2,17025–29 years, female: 1,63220–24 years, male: 1,85320–24 years, female: 1,32115–19 years, male: 1,96315–19 years, female: 1,62610–14 years, male: 1,91410–14 years, female: 1,8475–9 years, male: 1,9745–9 years, female: 1,7920–4 years, male: 1,7910–4 years, female: 1,70985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 680 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 County Income

$83,270median household income

Median household income

$83,270

Half of households earn more, half earn less

Median earnings

$54,756

Typical yearly pay for a worker 25 or older.

Poverty rate

12.3%

About 1 in 8 residents

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

Mason County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%52%54%
Never married27%31%22%
Divorced12%12%13%
Widowed6%3%10%
Separated2%2%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year