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Douglas County, Colorado

Historic newspapers, landmarks, and county history layers for genealogists and local historians.

—newspaper titles

—digitized titles

29historic places

—earliest paper

1861formed

357,978pop. 2020

6cemeteries

—CW battlefields

At a glance

Summary

The National Register of Historic Places includes 29 listed properties in the county, first listed in 1973. Most listings are in or near Sedalia, Castle Rock, Franktown.

Summary generated automatically from the source data on this page.

Newspapers

Library of Congress

Newspaper directory data for Colorado is not yet loaded on this site. Browse Douglas titles at the Library of Congress.

National Register of Historic Places

NPS NRHP

15 of 29 listings mapped; some locations are restricted by NPS to protect sensitive sites.

29 listed properties

Property	City	Type	Listed
American Federation of Human Rights Headquarters	Larkspur	District	1998
Bayou Gulch	Franktown	Site	2020
Bear Canon Agricultural District	Denver	District	1975
Castle Rock Depot	Castle Rock	Building	1974
Castle Rock Elementary School (Additional Documentation)	Castle Rock	Building	1984
Cherokee Ranch	Sedalia	District	1994
Cherry Creek Bridge	Franktown	Structure	2002
Church of St. Philip-in-the-Field and Bear Canon Cemetery	Sedalia	Building	1973
Daniels Park	Sedalia	District	1995
Devils Head Lookout	Sedalia	Site	2003
Dyer, Samuel, House	Castle Rock	Building	2016
Evans Homestead Rural Historic Landscape	Franktown	District	2012
First National Bank of Douglas County	Castle Rock	Building	1995
Franktown Cave	Franktown	Site	2006
Glen Grove School	Palmer Lake	Building	1974
Hammar, Benjamin, House	Castle Rock	Building	1993
Indian Park School	Sedalia	Building	1978
Keystone Hotel	Castle Rock	Building	1997
Kinner, John, House	Sedalia	Building	1974
Lamb Spring	Littleton	Site	1997
Louviers Village	Louviers	District	1999
Louviers Village Club	Louviers	Building	1995
Pike's Peak Grange No. 163	Franktown	Building	1990
Quick, Ben, Ranch and Fort	Palmer Lake	Site	1974
Roxborough State Park Archaeological District	Waterton	District	1983
Ruth Memorial Methodist Episcopal Church	Parker	Building	1989
Santa Fe Railway Water Tank	Sedalia	Structure	2003
Sinclaire, Reginald, House	Larkspur	District	1991
Spring Valley School	Larkspur	Building	1978

Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.

County formation

Newberry AHCB

Douglas was formed in 1861 (1861-11-01) from unknown / original county.

DOUGLAS created by Colorado Territory from non-county area.

Source: Newberry Library, Atlas of Historical County Boundaries.

Population by decade

Census

Douglas County population from 1870 to 2020 (Census historical series).

1870	1880	1900	1920	1940	1950	1960	1980	2000	2020
1,388	2,486	3,120	3,517	3,496	3,507	4,816	25,153	175,766	357,978

Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.

Cemeteries & historical places

USGS GNIS

6 cemeteries and 0 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.

Cemeteries — 6 of 6 listed

Name	Lat	Lon
Cedar Hill Cemetery	39.37942	-104.87242
Fonder Cemetery	39.4501	-104.75889
Franktown Cemetery	39.39173	-104.75202
Glen Grove Cemetery	39.26777	-104.96193
Parker Cemetery	39.5218	-104.76724
Spring Valley Cemetery	39.15921	-104.76803

Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.

Historical markers

HMdb link

Marker text and photos from the Historical Marker Database (HMdb) are not embedded here. HMdb allows non-commercial reuse with attribution, but commercial/compensated use needs written permission; this is a commercial site, so we only link out.

Search HMdb for Douglas County, Colorado

Terms: hmdb.org/copyright.asp. Linking is encouraged by HMdb.