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2025 Compare Cities People:
Longmont, CO vs Waltham, MA

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Highlights
- Waltham is 0% more densely populated than Longmont.
- People are 22.9% less likely to be married in Waltham.
- The Median Age is 5.7 years younger in Waltham.
 Longmont, COWaltham, MAUnited States
 Population  Unlock64,655329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock33.838.4
 space3
 Population - 201086,616  Unlock309,327,143
 Population - 2000  Unlock59,226285,036,114
 Population - 199051,555  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.8%15.6%
 Pop. 1990 to Now91.0%  Unlock30.8%
 space4
 Population Density  Unlock5,075.893.4
 Land Area27.6  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
 space
 Est. Total Population By Age
 Longmont, COWaltham, MAUnited States
 Age 0 to 45.1%  Unlock5.9%
 Age 5 to 9  Unlock3.5%6.1%
 Age 10 to 146.3%  Unlock6.6%
 Age 15 to 17  Unlock2.0%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock10.9%5.2%
 Age 25 to 3413.6%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5412.6%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock8.5%9.6%
 Age 75 to 844.2%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
 space1
 Race
 Longmont, COWaltham, MAUnited States
 White68.3%  Unlock59.4%
 Black  Unlock6.5%12.2%
 Asian3.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock14.5%18.4%
 space2
 Marriage & Family
 Longmont, COWaltham, MAUnited States
 Married Population49.6%  Unlock49.8%
     Currently Married  Unlock36.9%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock61.8%50.2%
 Never Married31.8%  Unlock33.8%
 Divorced  Unlock7.3%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.272.60
 Households39,237  Unlock124,010,992
 Family Households  Unlock12,67580,755,759
     Married couple, w/children30.3%  Unlock30.5%
     Married couple, no children  Unlock46.8%42.9%
 Non Family Households14,445  Unlock43,255,233
     Single householder, w/children  Unlock9.2%15.8%
     Single householder, no children9.4%  Unlock10.8%
Voting
Reviews for Longmont    19 Reviews
Michele · Escondido, CA
Nice place for families. Bring a parka.
Over 4 years ago

I lived here for 4 years and it's pretty nice. It gets cold and stays cold for a good 8 months, but other than that I loved it. There are a lot of amenities. It is  More

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jeremiah · Longmont, CO
Great place to live !
Over 6 years ago

I just move from other state to Longmont. In my opinion Longmont is one of the safest city in US which is have a low crime, its great city to raised family .Has a great  More

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john · Longmont, CO
Great Place to Raise a Family
Over 6 years ago

Fantastic place to live. Four golf courses, many parks, 10 minutes to the foothills and 40 minutes from the Rockies, the location is hard to beat if you want to be 45  More

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Reviews for Waltham    2 Reviews
Camille · Waltham, MA
Life on Moody Street
Over 15 years ago

My husband and I moved from west of Worcester to Waltham a few months ago and are really enjoying life here. We're situated in an apartment close to Moody Street and  More

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Sukie · Waltham, MA
Educational opportunities in and around Waltham
Over 17 years ago

Waltham is home to two well respected colleges/universities: Bentley and Brandeis. That, however, is not all. For within half an hour or so, by commuter train or car,  More

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Learn More About Longmont, Colorado
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Learn More About Waltham, Massachusetts
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