US Postage Stamps // Philatelic Project // The Federal States


Colorado // Denver, CO // Western Region // Mountain Time
(The Centennial State)
Territory established: February 28, 1861
Statehood granted: August 1, 1876 // 38th state
Colorado was formed out of land from the Louisiana Purchase (1803),
the Mexican cession (1848), and land ceded by the State of Texas (1850).
[View map of US territorial acquisition]

#4280 // June 14, 2008
(self-adhesive coil definitive)
Flags of Our Nation Series
Colorado State Flag
snowy peaks and
evergreen trees
#1958 // April 14, 1982
(ex pane of 50 different stamps)
State Bird & Flower of
Lark Bunting
(Phainopepla nitens),
Rocky Mountain Columbine
#1670 // February 23, 1976
(ex pane of 50 different stamps)
American Bicentennial Series
Colorado State Flag

#1001 // August 1, 1951 // Minturn, CO
75th Anniversary of
Colorado Statehood

Mount of the Holy Cross,
Colorado Capitol and State Seal,
Colombine and Bronco Buster
#1711 // May 21, 1977 // Denver, CO
Colorado Statehood

Rocky Mountains and Colombine

#3566 // April 4, 2002
(ex pane of 50 stamps, one for each state)
Greetings from Colorado

Illustration of contemporary postcard
in the style of the 1930s/1940s

View Colorado state quarter
View Colorado state map
View Colorado clock

The name of the state and the Colorado river derives from the
Spanish word "colorado", meaning "red" or "ruddy".
The world largest silver nugget (1,840 lbs [834,6 kg])
was found in 1894 near Aspen, Pitkin County, CO.
Land Area
rounded mi2 [km2]
103,718 [268.628]
ranked 8th
(census 2010)
ranked 22nd
Population Density
per mi2 [km2] of land area
49 [19]
ranked 38th
The State of Colorado has 64 counties.

Stamped Cards 

#UX131 // May 5, 1989 // Denver, CO
Stamped Postal Card
America the Beautiful Series

Canada Geese and Rocky Mountains


// Elmar R. Göller // All rights reserved // Contact // Publishing Information