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Arapahoe County, Colorado

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

—newspaper titles

—digitized titles

26historic places

—earliest paper

1861formed

655,070pop. 2020

9cemeteries

—CW battlefields

At a glance

Summary

The National Register of Historic Places includes 26 listed properties in the county, first listed in 1970. Most listings are in or near Littleton, Englewood, Aurora.

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 Arapahoe titles at the Library of Congress.

National Register of Historic Places

NPS NRHP

19 of 26 listings mapped; some locations are restricted by NPS to protect sensitive sites.

26 listed properties

Property	City	Type	Listed
Arapaho Hills	Littleton	District	2012
Arapahoe Acres	Englewood	District	1998
Brown, David W., House	Englewood	Building	1980
Comanche Crossing of the Kansas Pacific Railroad	Strasburg	Site	1970
Commandant of Cadets Building, US Air Force Academy	Aurora	Building	2007
Curtis School	Greenwood Village	Building	1992
DeLaney Barn	Aurora	Building	1989
Englewood I.O.O.F. Lodge No. 138 Building	Englewood	Building	2021
Englewood Post Office	Englewood	Building	2011
Foster-Buell Estate	Cherry Hills Village	Building	1998
Geneva Home	Littleton	Building	1999
Gully Homestead	Aurora	Building	1986
Hopkins Farm	Englewood	District	2007
Jamaica Primary School	Aurora	Building	2017
Key Savings and Loan Association Building	Englewood	Building	2016
Knight-Wood House	Littleton	Building	2004
Little Estate	Cherry Hills Village	Building	1998
Littleton Main Street	Littleton	District	1998
Littleton Post Office	Littleton	Building	2019
Littleton Town Hall	Littleton	Building	1980
Maitland Estate	Cherry Hills Village	Building	1998
Melvin School	Aurora	Building	1984
Owen Estate	Cherry Hills Village	Building	1999
Seventeen Mile House	Parker	Building	1983
Smith, William, House	Aurora	Building	1985
South Dahlia Lane	Denver	District	2025

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

County formation

Newberry AHCB

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

ARAPAHOE created by Colorado Territory from non-county area.

Source: Newberry Library, Atlas of Historical County Boundaries.

Population by decade

Census

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

1870	1880	1900	1920	1940	1950	1960	1980	2000	2020
6,829	38,644	153,017	13,766	32,150	52,125	113,426	293,621	487,967	655,070

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

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

Cemeteries — 9 of 9 listed

Name	Lat	Lon
Byers Cemetery	39.70359	-104.22032
Evergreen Cemetery	39.61637	-104.03689
Jolly Family Cemetery	39.73167	-103.84667
Lewis Cemetery	39.61544	-104.81585
Littleton Cemetery	39.60417	-105.01778
Mount Nebo Memorial Park	39.73833	-104.85222
Olinger Chapel Hill Memorial Gardens	39.59915	-104.94594
Running Creek Cemetery	39.63878	-104.54821
Saint Simeon Catholic Cemetery	39.70749	-104.72969

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 Arapahoe County, Colorado

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