Niwot, CO Demographics

A map of Niwot's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,991	3,655	86.8%	84.9%
Hispanic	191	219	5.5%	5.1%
Asian	144	180	4.2%	4.2%
Multiracial	85	152	2.5%	3.5%
Native American/Other	36	66	1.0%	1.5%
Black	0	34	0.0%	0.8%

Niwot, Colorado has an estimated population of 3,447, a large decrease from the 4,306 recorded in the 2020 Census. The population is 86.8% White, 5.5% Hispanic, 4.2% Asian, 2.5% Multiracial, 1.0% Native American/Other, and 0.0% Black. This demographic dot map shows the population of Niwot, with one dot drawn for each person counted by the Census, color-coded by race.

Niwot has become less racially diverse since the 2020 Census. It is considerably less diverse than Colorado overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Niwot, that probability was 27.4% in 2020 and 24.1% in the most recent ACS estimates.

Niwot is ranked the 139th most populous place in Colorado, out of 482 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Niwot was ranked the 125th most populous place in the 2020 Census.

Niwot's White Population

2,991 residents of Niwot, or 86.8% of the population, identify as White. The share of White residents in Niwot is significantly higher than in Colorado overall, where 64.8% of the population is White. Niwot ranks 141st statewide in terms of White residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's White population has declined by an estimated 18.2%. White residents' share of Niwot's population has increased from 84.9% to 86.8%.

Niwot is more White than neighboring Gunbarrel (80.9% White), Leyner (0% White), Longmont (66.7% White), and Lafayette (69.5% White). Niwot is less White than neighboring Valmont (100% White).

Niwot's Black Population

0 residents of Niwot, or 0.0% of the population, identify as Black. The share of Black residents in Niwot is slightly lower than in Colorado overall, where 3.8% of the population is Black. Niwot ranks 153rd statewide in terms of Black residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's Black population has declined by an estimated 100.0%. Black residents' share of Niwot's population has decreased from 0.8% to 0.0%.

Niwot is less Black than neighboring Gunbarrel (0.2% Black), Longmont (0.8% Black), and Lafayette (0.8% Black).

Niwot's Asian Population

144 residents of Niwot, or 4.2% of the population, identify as Asian. The share of Asian residents in Niwot is comparable to the share in Colorado overall, where 3.2% of the population is Asian. Niwot ranks 37th statewide in terms of Asian residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's Asian population has declined by an estimated 20.0%. Asian residents' share of Niwot's population has remained roughly unchanged at 4.2%.

Niwot is more Asian than neighboring Leyner (0% Asian), Valmont (0% Asian), Longmont (3.3% Asian), and Lafayette (3.9% Asian). Niwot is less Asian than neighboring Gunbarrel (4.7% Asian).

Niwot's Hispanic Population

191 residents of Niwot, or 5.5% of the population, identify as Hispanic. The share of Hispanic residents in Niwot is significantly lower than in Colorado overall, where 22.5% of the population is Hispanic. Niwot ranks 409th statewide in terms of Hispanic residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's Hispanic population has declined by an estimated 12.8%. Hispanic residents' share of Niwot's population has remained roughly unchanged at 5.5%.

Niwot is more Hispanic than neighboring Gunbarrel (5.4% Hispanic), Leyner (0% Hispanic), and Valmont (0% Hispanic). Niwot is less Hispanic than neighboring Longmont (24% Hispanic), and Lafayette (19.2% Hispanic).

Niwot's Native American/Other Population

36 residents of Niwot, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Niwot is comparable to the share in Colorado overall, where 1% of the population is Native American/Other. Niwot ranks 111th statewide in terms of Native American/Other residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's Native American/Other population has declined by an estimated 45.5%. Native American/Other residents' share of Niwot's population has decreased from 1.5% to 1.0%.

Niwot is more Native American/Other than neighboring Gunbarrel (0.7% Native American/Other), Leyner (0% Native American/Other), Valmont (0% Native American/Other), Longmont (0.5% Native American/Other), and Lafayette (0.5% Native American/Other).

Niwot's Multiracial Population

85 residents of Niwot, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Niwot is slightly lower than in Colorado overall, where 4.6% of the population is Multiracial. Niwot ranks 299th statewide in terms of Multiracial residents as a share of the population, out of 482 places.

Since the 2020 Census, Niwot's Multiracial population has declined by an estimated 44.1%. Multiracial residents' share of Niwot's population has decreased from 3.5% to 2.5%.

Niwot is more Multiracial than neighboring Leyner (0% Multiracial), and Valmont (0% Multiracial). Niwot is less Multiracial than neighboring Gunbarrel (8.1% Multiracial), Longmont (4.7% Multiracial), and Lafayette (6.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.