Columbia County Population	1990	Present Year	Five Year Projection
		2000	2001	2002	2003	2004	2005
Population by Age Group	66,900	98,770	102,300	105,300	108,550	111,790	115,020
Under - 17	20,570	29,170	29,910	30,740	31,460	32,190	32,910
18 - 34	18,070	21,890	22,340	20,080	23,410	21,000	24,490
35 - 54	20,100	26,650	35,890	36,800	37,720	38,640	39,630
55 - 74	6,860	10,980	11,590	12,610	13,520	14,450	15,370
75 - Older	1,280	2,170	2,260	2,350	2,390	2,520	2,630
% Distribution by Age Group
Under - 17	31	30	29	29	29	29	29
18 - 34	27	22	23	22	22	20	21
35 - 54	30	35	35	35	35	35	35
55 - 74	10	11	11	12	12	13	13
75 - Older	2	2	2	2	2	2	2
Median Age	31.09	34.12	34.32	34.51	34.68	34.86	35.06
Households
Number	21,970	33,380	34,600	35,820	37,040	38,260	39,480
Median Household Income		50,203
Household Income Distribution
Under - $29,999	5,390	9,610	9,790	9,960	10,110	10,250	10,420
$30,000 - $49,999	8,630	9,960	10,240	10,500	10,740	10,970	11,170
$50,00 - $74,999	8,460	8,930	9,410	9,920	10,460	11,000	11,580
$75,000 - Above	4,640	4,880	5,160	5,430	5,430	6,040	6,350
Net Migration Last Five Years Available
Workforce Education Attainment (25 - 64 Years of Age)	Percentage %
Under - 12 Years	13.1
12 Years Only	34.2
Some College	25.1
College Graduates	18.8
Subtotal	91.2
16 Years - More	8.7
Total	99.9