The United States Constitution requires that every 10 years a Census shall be conducted to apportion the United States House of Representatives. The first Census began on August 2, 1790 when the total United States population was 3,919,214 people.
Census information impacts the daily lives of residents, informing important decisions about funding for services and facilities in the community, including health care, senior centers, jobs, roads, schools and businesses. More than $675 billion in federal funding flows back to states and local communities each year based on census data.
Responses to the Census are secure and protected by federal law. Your answers can only be used to produce statistics—they cannot be used against you in any way. By law, all household and business survey responses to the U.S. Census Bureau are kept completely confidential.
Online Responses Accepted for the 2020 Census
New in 2020, each home will receive a postcard invitation to respond to a short questionnaire — by phone, mail or online.
Once the invitation arrives, you should respond for your home in one of three ways: online, by phone or by mail. Additional information can be found below or on the Census 2020 website.
Learn More
Census Confidentiality Fact Sheet
Resources will be regularly updated below. For more information, contact our office.
View 2010 Census information or current American Community Survey information for each municipality and township in Delaware County:
2010 Census Tracts
Ashley
111.01
Berkshire
116.04, 123
Berlin
115.50, 115.60
Brown
111.01, 111.02
Concord
114.11, 114.12 114.13
Columbus City
115.61, 124
Delaware City
101, 102
104.20, 104.21 104.22
105.20, 105.30
111.02
112
114.13
115.50
121, 122
Delaware Township
102
104.20, 104.21
105.20
122
Dublin
14.11, 114.12
Galena
116.04, 123
Genoa
117.10, 117,30
117.40, 117.50
117.60, 117.62
Harlem
117.50, 117.6
Kingston
111.02
Liberty
114.21, 114.23
114.30
119, 121
Marlboro
112
Orange
115.20, 115.30
115.40, 115.50
115.60, 115.61
117.62
124
Ostrander
120
Oxford
111.01
Porter
11.02
Powell
114.21, 114.23
114.30
119, 121
Radnor
112, 12
Scioto
12
Shawnee Hills
114.11, 114.12
Sunbury
116.04
123
Thompson
120
Trenton
123
Troy
112
Westerville
117.10, 117.50
117.62
124