Colorado · Census place 0845255

Littleton, Colorado

Littleton is a city in 3 counties of Colorado with an estimated 44,879 residents on July 1, 2024. It is the 20th largest of 149 incorporated places of 1,000+ people in the state.

Population 2024
44,879
#20 of 149 in Colorado
Change since 2020
-1.6%
-719 people
Land area
12.6 sq mi
+ 1.13 sq mi water
Density
3,556 / sq mi
State median 1,848
Orange pin: Littleton. Shaded: counties it spans. Dark pin: Denver.

Littleton population, 2020 to 2024

Littleton lost 719 residents from July 2020 to July 2024, a change of -1.6%. In the latest year it moved by +147. Among 79 Colorado places of 5,000 or more, that growth ranks 67th; the median place changed by +3.0%. The median place of 5,000+ in Colorado has 14,061 people, so Littleton is 3.2 times that size.

45.6k202045.3k202144.8k202244.7k202344.9k2024
July 1 estimates. The April 2020 estimates base was 45,665. The axis starts above zero so yearly changes are visible.

Littleton covers 12.62 square miles of land and 1.13 of water, for 3,556 people per square mile of land. The median Colorado place of 5,000+ has 1,848, so Littleton is denser than the typical town.

The 3 counties Littleton spans

Littleton crosses county lines. The Census county-part estimates split its 44,879 residents as follows; Arapahoe County holds 93.7% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01Arapahoe County42,044
  2. 02Jefferson County2,205
  3. 03Douglas County630
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in Littleton

3 ZIP Code Tabulation Areas (ZCTAs) overlap Littleton by at least 10% of the ZCTA's or the city's land: 80120, 80122, 80123. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Littleton is

The Census internal point of Littleton is at 39.590400, -105.020100. Denver, the capital, is 10.4 miles N in a straight line. The nearest larger place is Centennial, CO (108,853 people), 8.3 miles away.

Internal point

Decimal
39.590400, -105.020100
DMS
39°35'25.44"N 105°01'12.36"W
UTM
13N 498274.1E 4382297.4N
Geohash
9xj34pnwy
Plus code
85FPHXRH+5X

Daylight in Littleton

At 39.59° N, Littleton gets about 14 h 58 min of daylight around the June solstice and 9 h 22 min around the December solstice, a swing of 5 h 36 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Littleton

The eight nearest incorporated places of 1,000+ in Colorado, measured between internal points. The closest is Columbine Valley, 0.9 miles away, with 1,683 people.

Questions people ask

What is the population of Littleton, CO?

44,879 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 719 (1.6%) from 45,598 in July 2020.

What county is Littleton in?

It spans 3 counties: Arapahoe County (42,044 residents), Jefferson County (2,205 residents), Douglas County (630 residents).

What ZIP codes cover Littleton?

3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 80120, 80122, 80123.

How far is Littleton from Denver?

10.4 miles (16.8 km) in a straight line, heading N from Littleton.

What is the nearest larger city to Littleton?

Centennial, CO, with 108,853 residents, 8.3 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.