Longmont

A city in Boulder County, Colorado — population 98,445 as of 2020.

Open the map Official city site

Air Quality Alert — Air Quality Alert issued August 21 at 4:10PM MDT by NWS Denver CO

Overnight 63°F Partly Cloudy

Saturday 91°F Mostly Sunny then Chance Showers And Thunderstorms40% precip

Saturday Night 62°F Chance Showers And Thunderstorms then Mostly Cloudy42% precip

Sunday 93°F Mostly Sunny then Chance Showers And Thunderstorms54% precip

News around Boulder County

Newest first · from sources across Boulder County · checked 28 min ago

WMNF 88.5 August 17

Retired Professor, Prolific Author Discusses Collaborations with Jane Goodall, and an Array of Animal Emotions Explored in His Latest Book

By Duncan Strauss Marc Bekoff–professor emeritus of Ecology and Evolutionary Biology at the University of Colorado, Boulder, who’s written or co-written more than 30 books; his latest, “Love in Their Hearts: A Celebration of Animal Emotions and a Guide to Compassionate Action,”…

Creatives & Arts

More local news

You know Longmont better than we do.

Add the places people actually go. Our editors review submissions before they publish — you'll need an account with access to send one.

Add a place Add an event Suggest a group

Longmont by the numbers

Population 98,445Population figure, 2020

Households & income

Area: 28.82 sq mi (74.64 km²), 1.64 sq mi water
Median age: 40.3
Households: 42,155
Persons per household: 2.3
Median household income: $90,671
Median house value: $572,800

2020–2024 ACS

Municipal office

Office: ASSISTANT CITY MANAGER
Address: 350 KIMBARK ST, LONGMONT, CO 80501

Municipal record

Official city site Map