Decatur, IL

1950‑1959:		Decatur, IL SMA
1959‑1983:		Decatur, IL SMSA
1983‑2003:		Decatur, IL MSA
2003‑2006:		Decatur, IL Metro Area

Components

Population


Component	1950	1960	1970	1980	1990	2000	2005


Macon County, IL	98,853	118,257	125,010	131,375	117,206	114,706	109,835



Total	98,853	118,257	125,010	131,375	117,206	114,706	109,835
Percent Change	-	19.6%	5.7%	5.1%	-10.8%	-2.1%	-4.2%



Total (as currently defined)	98,853	118,257	125,010	131,375	117,206	114,706	109,835
Percent Change	-	19.6%	5.7%	5.1%	-10.8%	-2.1%	-4.2%

Timeline

1950

1960

1970

1980

1990

2000

Component

Macon County, IL

In this area

In another area

Principal/Central Cities

Population


City	1950		1960		1970		1980		1990		2000		2005


Decatur, IL	66,269	*	78,004	*	90,397	*	94,081	*	83,885	*	81,860	*	77,836	*



Total	66,269		78,004		90,397		94,081		83,885		81,860		77,836
Metro	98,853		118,257		125,010		131,375		117,206		114,706		109,835
Percent	67.0%		66.0%		72.3%		71.6%		71.6%		71.4%		70.9%

Timeline

Principal or central city of this metro area

1950

1960

1970

1980

1990

2000

City

Decatur, IL

Urban/Rural Population



1950				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			73,713	74.6%
		UA Population		73,713	74.6%
	Rural Population			25,140	25.4%

	Inside Central Cities			66,269	67.0%
	Outside Central Cities			32,584	33.0%

	Total Metro Area Population			98,853	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		73,713	73,713	100.0%

	Total			73,713


	population figures are from the 1950 census, metro areas as defined Mar 1952




1960				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			89,516	75.7%
		UA Population		89,516	75.7%
	Rural Population			28,741	24.3%

	Inside Central Cities			78,004	66.0%
	Outside Central Cities			40,253	34.0%

	Total Metro Area Population			118,257	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		89,516	89,516	100.0%

	Total			89,516


	population figures are from the 1960 census, metro areas as defined Oct 1963




1970				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			99,693	79.7%
		UA Population		99,693	79.7%
	Rural Population			25,317	20.3%

	Inside Central Cities			90,397	72.3%
	Outside Central Cities			34,613	27.7%

	Total Metro Area Population			125,010	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		99,693	99,693	100.0%

	Total			99,693


	population figures are from the 1970 census, metro areas as defined Apr 1973




1980				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			107,864	82.1%
		UA Population		107,864	82.1%
	Rural Population			23,511	17.9%

	Inside Central Cities			94,081	71.6%
	Outside Central Cities			37,294	28.4%

	Total Metro Area Population			131,375	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		107,864	107,864	100.0%

	Total			107,864


	population figures are from the 1980 census, metro areas as defined Jun 1983




1990				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			96,039	81.9%
		UA Population		96,039	81.9%
	Rural Population			21,167	18.1%

	Inside Central Cities			83,885	71.6%
	Outside Central Cities			33,321	28.4%

	Total Metro Area Population			117,206	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		96,039	96,039	100.0%

	Total			96,039


	population figures are from the 1990 census, metro areas as defined Jun 1993




2000				Population in Metro Area	Percent of Total Metro Area Population

	Urban Population			96,454	84.1%
		UA Population		96,454	84.1%
	Rural Population			18,252	15.9%

	Inside Principal Cities			81,860	71.4%
	Outside Principal Cities			32,846	28.6%

	Total Metro Area Population			114,706	100.0%


	Urbanized Area		Total UA Population	UA Population in Metro Area	Percent of UA in Metro Area

	Decatur, IL		96,454	96,454	100.0%

	Total			96,454


	population figures are from the 2000 census, metro areas as defined Jun 2003

Component Change History




Apr 1950



-		New SMA: Decatur, IL SMA
-		Macon County, IL included as original SMA component
-		Decatur, IL designated as original central city of new SMA

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