Niwot Population

2011–2026

3,719

2026 projection

9% since 2020 (decrease)

01K2K3K4K5K20122014201620182020202220242026

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 Niwot. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,719-180.48%
20253,737-360.48%
20233,773-3187.77%
20224,091-1252.96%
20214,216+1313.21%
20204,085+2155.56%
20193,870-2365.75%
20184,106-3397.63%
20174,445-1433.12%
20164,588+912.02%

Showing 10 of 15 years.

Niwot Demographics

54.6median age

Median age

Female49.7 yrs
Male58 yrs

Adults

2,809
970 seniors · 35%1,839 other adults

Sex

Female 51.2% · 1,764Male 48.8% · 1,683

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 34 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

Niwot Income

$146,492median household income

Median household income

$146,492

Half of households earn more, half earn less

Median earnings

$95,089

Typical yearly pay for a worker 25 or older.

Poverty rate

2.2%

About 1 in 45 residents

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

Niwot Marital Status

74% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married74%71%78%
Never married13%15%11%
Divorced11%15%7%
Widowed2%0%3%
Separated<1%0%1%

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