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Home >> Illinois >> Sangamon County >> Rochester >> Census

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Rochester, Illinois

Rochelle
(Ogle County)

Rochester
(Wabash County)

Open an interactive map for Rochester and the surrounding area.

Current Weather

The 2000 Census showed that Rochester had a population of 2,893 people ^<1>.

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated.

Year	Population	Change Since 2000	Year-to-Year Change
2008	3,236	+11.86%	+2.24% since 2007
2007	3,165	+9.4%	+2.83% since 2006
2006	3,078	+6.39%	+2.53% since 2005
2005	3,002	+3.77%	+1.69% since 2004
2004	2,952	+2.04%	+0.14% since 2003
2003	2,948	+1.9%	+0.37% since 2002
2002	2,937	+1.52%	+0.96% since 2001
2001	2,909	+0.55%	+0.55% since 2000
---
2000	2,893	The Last Census

Rochester had 1,099 Housing Units ^<2> at the time of the 2000 Census.

The 2000 Census shows that Rochester has an area ^<3> of 2.11 square miles [5.46 km²].

Using the above population and land area values, Rochester had a 2000 population density of 1,372 people per square mile [530 people/km²].

Sangamon County

The village of Rochester is located in Sangamon County.

The county had a population of 189,090 people at the 2000 Census. With it's population of 2,893 people, Rochester contained 1.53% of the Sangamon County total.

In addition, where the community of Rochester has a population density of 1,372 people per square mile [530 people/km²], Sangamon County averages 217.8 people per square mile [84.1 people/km²].

For more information, please visit our Census Page for Sangamon County.

Population Rings

To help identify the number of people who live in Rochester and the surrounding area, we have drawn concentric rings centered on Rochester. We counted the number of communities within each ring and summed their populations.^<4>

Radius	No of Communities	2008 Population	Change Since 2000
5 mi [8 km]	2	3,483	10.22% increase
10 mi [16 km]	15	147,407	6.46% increase
15 mi [24 km]	24	155,394	5.93% increase
20 mi [32 km]	35	179,356	5.54% increase
25 mi [40 km]	51	197,190	4.43% increase
30 mi [48 km]	65	221,400	3.29% increase

US Census QuickFacts

The Census Bureau has created documents containing demographic information called QuickFacts. Unfortunately, the Census Bureau has not created a QuickFact that is specific to Rochester.

A Census Quickfact is available for Sangamon County (QF-17167).

Below are QuickFacts for the counties that border Sangamon County.

County	Census QuickFact	Direction	2008 Population	Change Since 2000
Christian	QF-17021	SE	34,501	2.42% decrease
Logan	QF-17107	NE	29,788	4.37% decrease
Macon	QF-17115	E	108,328	5.37% decrease
Macoupin	QF-17117	S	48,138	1.74% decrease
Menard	QF-17129	NW	12,464	0.24% decrease
Montgomery	QF-17135	S	29,773	2.78% decrease
Morgan	QF-17137	W	35,251	3.74% decrease

Miscellaneous Information

The Federal government has assigned identifying codes to each community, county and state. The following FIPS codes apply to Rochester:

	State Code:	17 (Illinois)
	County Code:	167 (Sangamon County)
	Place Code:	64759 (Rochester)

	State & County Code:	17167 (Illinois/Sangamon County)

	State & Place Code:	1764759 (Illinois/Rochester)

Rochester is located in Census Region #2 (the Midwest Region) and in Division #3 (the East North-Central Division).

For more information about various Federal Codes, please visit our Misc. Page for Rochester.

The Commemorative
Quarter for
Illinois ^<5>

Search for Local Businesses

Google's 'Search-by-Location' is a very useful tool for people who might be planning visits to this area. We have prepared the following searches to help you find businesses, travel and vacation activities that are in (or close to) Rochester. It's likely that the search results won't include all of the businesses that are in this area, but the results should give you a good foundation for further searches.

For what it's worth: In addition to helping you submit your own search, clicking 'Other...' will frequently (but not always) show you some popular searches for this area.

If you find an error or your business wasn't included in the results, please contact Google to help them resolve the issue (we simply link to 'Search-by-Location' and have no control over their results).

Other Roadside Stops

About Illinois

About Sangamon County

Find a Community within Illinois

Off-the-Road Links

U.S. Census Bureau

The following websites contain collections of photos taken around Rochester:

Flickr.com

Panoramio.com

Looking for more websites and/or information centered on Rochester? Please visit the Map Page for Rochester.

Footnotes

<1>	Population counts have been provided by the U.S. Census Bureau. - Return to Citation
<2>	A Housing Unit is a broad term for those places where people live, whether occupied or temporarily vacant, such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway). - Return to Citation
<3>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Rochester. The value given by the Census Bureau reflects their statistical (or sampling) requirements. For example, if there is a cluster of people living just outside of the community's official boundary, the Census-defined area might be expanded to include that group of people. - Return to Citation
<4>	The communities in our count are those provided by the 2000 Census, so keep in mind that our population rings will only include the people living in those communities. Smaller communities usually don't participate directly in the Census and therefore they won't be included. While our count is a close approximation, it shouldn't be considered as a complete or accurate count. - Return to Citation
<5>	All Quarter-dollar coin images from the United States Mint. - Return to Citation

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Last Modified: 04 Nov 2009