Grant County Population

1840–2026

66,812

2026 projection

0.5% since 2020 (increase)

020K40K60K80K100K1840186018801900192019401960198020002020

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 Grant County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202666,812+2880.43%
202566,524+2880.43%
202466,236+480.07%
202366,188+2880.44%
202265,900-2520.38%
202166,152-3530.53%
202066,505+6691.02%
201965,836-2760.42%
201866,112-2610.39%
201766,373-3580.54%

Showing 10 of 33 years.

Grant County Demographics

38.7median age

Median age

Female39.7 yrs
Male38 yrs

Adults

52,159
12,770 seniors (65+) · 24% of adults39,389 other adults

Sex

Female 51.9% · 34,382Male 48.1% · 31,913

Population by age

MaleFemale85+ years, male: 68485+ years, female: 99280–84 years, male: 64880–84 years, female: 93075–79 years, male: 82675–79 years, female: 1,21370–74 years, male: 1,62770–74 years, female: 1,71765–69 years, male: 1,84065–69 years, female: 2,29360–64 years, male: 2,22960–64 years, female: 1,99655–59 years, male: 2,12955–59 years, female: 2,58950–54 years, male: 1,87950–54 years, female: 1,92445–49 years, male: 1,85545–49 years, female: 1,81040–44 years, male: 1,50140–44 years, female: 1,64335–39 years, male: 2,13135–39 years, female: 1,89930–34 years, male: 1,66330–34 years, female: 1,95625–29 years, male: 1,86425–29 years, female: 1,98520–24 years, male: 2,68220–24 years, female: 3,15315–19 years, male: 2,36215–19 years, female: 2,64910–14 years, male: 1,71210–14 years, female: 2,2495–9 years, male: 2,3185–9 years, female: 1,5990–4 years, male: 1,9630–4 years, female: 1,78585+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 663 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

Grant County Income

$53,522median household income

Median household income

$53,522

Half of households earn more, half earn less

Median earnings

$42,016

Typical yearly pay for a worker 25 or older.

Poverty rate

19.8%

About 1 in 5 residents

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

Grant County Marital Status

43% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married43%45%41%
Never married34%36%31%
Divorced15%14%16%
Widowed8%5%11%
Separated<1%<1%<1%

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