LIBERTYVILLE
Data Source: U.S. Census Bureau
POPULATION BY AGE - 5 year increments
Year	1980	1990	2000	Difference	Difference	Percent	Percent
				1990-1980	2000-1990	Change	Change
						1980-1990	1990-2000
Total Population	16,520	19,174	20,742	2,654	1,568	16.07%	8.18%
Male	8,057	9,286	9,987	1,229	701	15.25%	7.55%
Female	8,462	9,888	10,755	1,426	867	16.85%	8.77%
Median Age			39.2
Male			37.6
Female			40.5
Under 5 Years	1,111	1,265	1,380	154	115	13.86%	9.09%
Male	568	660	729	92	69	16.20%	10.45%
Female	543	605	651	62	46	11.42%	7.60%
5 to 9 Years	1,401	1,461	1,715	60	254	4.28%	17.39%
Male	718	748	892	30	144	4.18%	19.25%
Female	683	713	823	30	110	4.39%	15.43%
10 to 14 Years	1,821	1,617	1,770	-204	153	-11.20%	9.46%
Male	919	815	931	-104	116	-11.32%	14.23%
Female	902	802	839	-100	37	-11.09%	4.61%
15 to 19 Years	1,721	1,474	1,403	-247	-71	-14.35%	-4.82%
Male	890	736	740	-154	4	-17.30%	0.54%
Female	831	738	663	-93	-75	-11.19%	-10.16%
20 to 24 Years	901	1,011	690	110	-321	12.21%	-31.75%
Male	438	519	340	81	-179	18.49%	-34.49%
Female	463	492	350	29	-142	6.26%	-28.86%
25 to 29 Years	963	1,050	837	87	-213	9.03%	-20.29%
Male	447	523	417	76	-106	17%	-20.27%
Female	516	527	420	11	-107	2.13%	-20.30%
30 to 34 Years	1,389	1,387	1,150	-2	-237	-0.14%	-17.09%
Male	656	665	530	9	-135	1.37%	-20.30%
Female	733	722	620	-11	-102	-1.50%	-14.13%
35 to 44 Years	2,699	3,776	3,672	1,077	-104	39.90%	-2.75%
Male	1,318	1,786	1,743	468	-43	35.51%	-2.41%
Female	1,381	1,990	1,929	609	-61	44.10%	-3.07%
35 to 39 Years		1,784	1,746		-38		-2.13%
Male		831	828		-3		-0.36%
Female		953	918		-35		-3.67%
40 to 44 Years		1,992	1,926		-66		-3.31%
Male		955	915		-40		-4.19%
Female		1,037	1,011		-26		-2.51%
45 to 54 Years	1,958	2,743	3,665	785	922	40.09%	33.61%
Male	1,015	1,381	1,790	366	409	36.06%	29.62%
Female	943	1,362	1,875	419	513	44.43%	37.67%
45 to 49 Years		1,664	1,946		282		16.95%
Male		838	944		106		12.65%
Female		826	1,002		176		21.31%
50 to 54 Years		1,079	1,719		640		59.31%
Male		543	846		303		55.80%
Female		536	873		337		62.87%
55 to 59 Years	773	822	1,305	49	483	6.34%	58.76%
Male	382	429	658	47	229	12.30%	53.38%
Female	391	393	647	2	254	0.51%	64.63%
60 to 64 Years	544	725	749	181	24	33.27%	3.31%
Male	276	363	367	87	4	31.52%	1.10%
Female	268	362	382	94	20	35.07%	5.52%
65 to 74 Years	716	990	1,099	274	109	38.27%	11.01%
Male	276	419	502	143	83	51.81%	19.81%
Female	440	571	597	131	26	29.77%	4.55%
65 to 69 Years		563	528		-35		-6.22%
Male		251	247		-4		-1.59%
Female		312	281		-31		-9.94%
70 to 74 Years		427	571		144		33.72%
Male		168	255		87		51.79%
Female		259	316		57		22.01%
75 to 84 Years	378	587	853	209	266	55.29%	45.32%
Male	121	180	270	59	90	48.76%	50%
Female	257	407	583	150	176	58.37%	43.24%
75 to 79 Years		360	463		103		28.61%
Male		121	158		37		30.58%
Female		239	305		66		27.62%
80 to 84 Years		227	390		163		71.81%
Male		59	112		53		89.83%
Female		168	278		110		65.48%
85 Years and Over	144	266	454	122	188	84.72%	70.68%
Male	33	62	78	29	16	87.88%	25.81%
Female	111	204	376	93	172	83.78%	84.31%
POPULATION BY AGE
Year	2000
Total Population	20,742
Male	9,987
Female	10,755
Median Age	39.2
Male	37.6
Female	40.5
Under 1 Year	253
Male	140
Female	113
1 Year	254
Male	113
Female	141
2 Years	294
Male	166
Female	128
3 Years	273
Male	150
Female	123
4 Years	306
Male	160
Female	146
5 Years	335
Male	176
Female	159
6 Years	337
Male	168
Female	169
7 Years	340
Male	183
Female	157
8 Years	355
Male	187
Female	168
9 Years	348
Male	178
Female	170
10 Years	353
Male	190
Female	163
11 Years	343
Male	174
Female	169
12 Years	361
Male	192
Female	169
13 Years	351
Male	188
Female	163
14 Years	362
Male	187
Female	175
15 Years	342
Male	183
Female	159
16 Years	340
Male	173
Female	167
17 Years	327
Male	164
Female	163
18 Years	242
Male	142
Female	100
19 Years	152
Male	78
Female	74
20 Years	140
Male	76
Female	64
21 Years	106
Male	57
Female	49
22 to 24 Years	444
Male	207
Female	237
25 to 29 Years	837
Male	417
Female	420
30 to 34 Years	1,150
Male	530
Female	620
35 to 39 Years	1,746
Male	828
Female	918
40 to 44 Years	1,926
Male	915
Female	1,011
45 to 49 Years	1,946
Male	944
Female	1,002
50 to 54 Years	1,719
Male	846
Female	873
55 to 59 Years	1,305
Male	658
Female	647
60 and 61 Years	311
Male	148
Female	163
62 to 64 Years	438
Male	219
Female	219
65 and 66 Years	198
Male	91
Female	107
67 to 69 Years	330
Male	156
Female	174
70 to 74 Years	571
Male	255
Female	316
75 to 79 Years	463
Male	158
Female	305
80 to 84 Years	390
Male	112
Female	278
85 Years and Over	454
Male	78
Female	376
Population by Race and Hispanic Origin
Year	2000
Total Population	20,742
Single-Race classification	20,536
White	19,121
Under 18 years of age	5,345
18 or older	13,776
Black or African-American	211
Under 18 years of age	76
18 or older	135
American Indian or Native Alaskan	18
Under 18 years of age	6
18 or older	12
Asian	949
Under 18 years of age	258
18 or older	691
Native Hawaiian or Pacific Islander	6
Under 18 years of age
18 or older	6