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What’s within a radius

What’s within 5, 10, 25, and 50 miles of Aurora, CO

About 3.73 million people live within 50 miles of the center of Aurora, and 1.08 million within 10 miles. The 50-mile circle takes in 162 cities, towns and CDPs and reaches 17 counties in Colorado.

By the All Map Tools Team

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5 mi (8.0 km)
392,000 189,000–626,000
10 mi (16 km)
1.08 million 868,000–1.46 million
25 mi (40 km)
2.92 million 2.70–3.09 million
50 mi (80 km)
3.73 million 3.60–3.90 million

30 minutes by car

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The circles

RadiusPeopleLow–highCities, towns and CDPsZIP codesArea
5 mi (8.0 km)392,000189,000–626,00021179 mi²
10 mi (16 km)1.08 million868,000–1.46 million1239314 mi²
25 mi (40 km)2.92 million2.70–3.09 million801021,963 mi²
50 mi (80 km)3.73 million3.60–3.90 million1621667,854 mi²

Circle by circle

Within 5 miles (8.0 km)

About 392,000 people (189,000–626,000). 2 Census places (cities, towns and CDPs) have their center inside, and so do 11 ZIP codes.

Biggest places within 5 miles

  1. Denver 740,613 3.4 mi NW
  2. Four Square Mile CDP 23,024 4.5 mi SW

Just past 5 miles

  1. Glendale 4,475 5.8 mi W

Within 10 miles (16 km)

About 1.08 million people (868,000–1.46 million), 687,000 more than within 5 miles. 12 Census places (cities, towns and CDPs) have their center inside, and so do 39 ZIP codes.

Biggest places between 5 and 10 miles

  1. Centennial 108,658 9.7 mi S
  2. Greenwood Village 15,323 8.9 mi SW
  3. Cherry Creek CDP 10,721 8.5 mi S
  4. Derby CDP 8,453 8.9 mi NW
  5. Cherry Hills Village 6,389 8.8 mi SW
  6. Glendale 4,475 5.8 mi W

Just past 10 miles

  1. Commerce City 72,345 10.8 mi N
  2. Englewood 35,305 10.4 mi SW
  3. Sherrelwood CDP 18,692 11.8 mi NW

Within 25 miles (40 km)

About 2.92 million people (2.70–3.09 million), 1.84 million more than within 10 miles. 80 Census places (cities, towns and CDPs) have their center inside, and so do 102 ZIP codes.

Biggest places between 10 and 25 miles

  1. Lakewood 156,927 15.4 mi W
  2. Thornton 147,766 14.4 mi NW
  3. Arvada 122,901 18.4 mi NW
  4. Westminster 116,182 16.0 mi NW
  5. Highlands Ranch CDP 102,257 15.0 mi SW
  6. Castle Rock 83,815 24.4 mi S

Just past 25 miles

  1. Boulder 105,689 30.2 mi NW
  2. Firestone 20,129 30.1 mi N
  3. Frederick 18,241 27.1 mi N

Within 50 miles (80 km)

About 3.73 million people (3.60–3.90 million), 811,000 more than within 25 miles. 162 Census places (cities, towns and CDPs) have their center inside, and so do 166 ZIP codes.

Biggest places between 25 and 50 miles

  1. Greeley 115,073 47.3 mi N
  2. Boulder 105,689 30.2 mi NW
  3. Longmont 100,109 33.5 mi NW
  4. Loveland 81,387 49.0 mi N
  5. Evans 22,500 43.1 mi N
  6. Johnstown 22,433 40.1 mi N

Just past 50 miles

  1. Colorado Springs 494,743 59.6 mi S
  2. Fort Collins 171,500 57.8 mi N
  3. Windsor 43,840 51.9 mi N

Counties the circles reach

The 5-mile circle reaches 3 counties; the 50-mile circle, 17, all in Colorado.

Within 5 mi
Adams County, Arapahoe County, and Denver County
Within 25 mi, also
Boulder County, Broomfield County, Elbert County, Douglas County, Weld County, and Jefferson County
Within 50 mi, also
El Paso County, Morgan County, Teller County, Gilpin County, Clear Creek County, Park County, Grand County, and Larimer County

How far 30 minutes by car gets you

Driving for 30 minutes from the center, at typical road speeds and with no traffic, covers 761 mi² (1,970 km²): the same area as a circle 16 mi in radius. The farthest point is 26 mi away, to the east.

That area takes in 100% of the 5-mile circle, 99% of the 10-mile circle, 39% of the 25-mile circle, and 10% of the 50-mile circle. About 2.17 million people live in it, against 2.92 million within 25 miles.

Drive time map

Questions

How many people live within 10 miles of Aurora?

About 1.08 million people (868,000–1.46 million), from the population of each ZIP code area in the Census ACS 2020–2024. Within 5 miles it’s 392,000, and within 50 miles, 3.73 million.

Which cities are within 50 miles of Aurora?

162 Census places (cities, towns and CDPs) have their center inside, and so do 166 ZIP codes. The biggest: Denver (740,613), 3.4 mi northwest, Lakewood (156,927), 15 mi west, Thornton (147,766), 14 mi northwest, Arvada (122,901), 18 mi northwest, Westminster (116,182), 16 mi northwest, Greeley (115,073), 47 mi north, Centennial (108,658), 9.7 mi south, and Boulder (105,689), 30 mi northwest.

Which counties are within 50 miles of Aurora?

The 50-mile circle reaches 17 counties: Adams County, Arapahoe County, Denver County, Boulder County, Broomfield County, Elbert County, Douglas County, Weld County, Jefferson County, El Paso County, Morgan County, Teller County, Gilpin County, Clear Creek County, Park County, Grand County, and Larimer County.

How far can you drive from Aurora in 30 minutes?

Up to 26 mi from the center (to the east), at typical road speeds and with no traffic. The 30-minute area measures 761 mi² and about 2.17 million people live in it.

Is Colorado Springs within 50 miles of Aurora?

No: it’s 60 mi (96 km) south of the center of Aurora in a straight line, 9.6 mi beyond the 50-mile circle.

How big is a 50-mile radius around Aurora?

The circle covers 7,854 mi² (20,341 km²). With about 3.73 million people inside, that’s 475 per square mile.

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