Table B2.  Summary Table:  Totals and Medians of Floorspace, Number of Workers, and Hours of Operation for Non-Mall Buildings, 2003
	Number of Buildings (thousand)	Total Floorspace (million square feet)	Total Workers in All Buildings (thousand)	Median Square Feet per Building (thousand)	Median Square Feet per Worker	Median Hours per Week	Median Age of Buildings (years)
All Buildings* ...............................	4,645	64,783	72,807	4.6	1,000	50	30.5
Building Floorspace
(Square Feet)
1,001 to 5,000 ................................	2,552	6,789	9,936	2.4	750	48	30.5
5,001 to 10,000 ..............................	889	6,585	7,512	7.2	1,300	50	30.5
10,001 to 25,000 ............................	738	11,535	10,787	15.0	1,611	55	28.5
25,001 to 50,000 ............................	241	8,668	8,881	35.0	1,364	60	30.5
50,001 to 100,000 ..........................	129	9,057	8,432	67.0	1,500	60	25.5
100,001 to 200,000 ........................	65	9,064	11,632	130.0	1,457	75	24.5
200,001 to 500,000 ........................	25	7,176	6,883	260.0	1,750	85	31.5
Over 500,000 .................................	7	5,908	8,744	700.0	785	144	23.5
Principal Building Activity
Education .......................................	386	9,874	12,489	7.0	854	45	31.5
Food Sales .....................................	226	1,255	1,430	2.8	1,094	107	30.5
Food Service .................................	297	1,654	3,129	3.5	550	84	28.5
Health Care ....................................	129	3,163	6,317	6.0	540	45	23.5
Inpatient .......................................	8	1,905	3,716	106.0	530	168	31.5
Outpatient ....................................	121	1,258	2,600	6.0	540	45	23.5
Lodging ..........................................	142	5,096	2,457	12.5	2,633	168	30.5
Retail (Other Than Mall)..................	443	4,317	3,463	4.8	1,250	54	35.5
Office .............................................	824	12,208	28,154	4.0	525	46	28.5
Public Assembly ............................	277	3,939	2,395	6.7	2,050	42	35.5
Public Order and Safety ................	71	1,090	1,347	5.0	825	168	16.5
Religious Worship ..........................	370	3,754	1,706	6.0	2,400	20	43.5
Service ..........................................	622	4,050	3,667	2.8	1,160	50	29.5
Warehouse and Storage ...............	597	10,078	4,369	5.2	1,700	50	17.5
Other ..............................................	79	1,738	1,819	4.6	1,200	48	32.5
Vacant ...........................................	182	2,567	64	3.7	6,625	0	43.5
Year Constructed
Before 1920 ...................................	330	3,769	3,045	5.0	1,225	45	105.5
1920 to 1945 ..................................	527	6,871	6,122	4.0	1,167	48	73.5
1946 to 1959 ..................................	562	7,045	6,646	4.0	1,120	45	51.5
1960 to 1969 ..................................	579	8,101	8,708	5.0	986	52	39.5
1970 to 1979 ..................................	731	10,772	12,597	5.4	1,060	50	29.5
1980 to 1989 ..................................	707	10,332	15,032	3.7	825	50	19.5
1990 to 1999 ..................................	876	12,360	16,181	4.8	971	54	7.5
2000 to 2003 ..................................	334	5,533	4,476	5.2	1,150	54	2.5
Census Region and Division
Northeast .......................................	726	12,905	14,908	5.0	833	56	43.5
New England ...............................	233	2,964	3,155	4.5	889	56	38.5
Middle Atlantic ..............................	493	9,941	11,752	5.5	800	55	43.5
Midwest .........................................	1,266	17,080	16,373	4.1	1,078	50	32.5
East North Central ........................	696	11,595	11,489	4.8	1,000	50	33.5
West North Central ......................	571	5,485	4,883	3.6	1,150	48	28.5
South .............................................	1,775	23,489	27,078	4.8	1,060	50	23.5
South Atlantic ..............................	874	12,258	16,757	5.0	1,000	50	21.5
East South Central .......................	348	3,393	3,060	3.6	1,200	49	26.5
West South Central ......................	553	7,837	7,261	5.0	1,100	50	23.5
West ..............................................	878	11,310	14,448	4.4	970	50	32.5
Mountain ......................................	299	3,675	4,281	4.8	1,000	50	30.5
Pacific ..........................................	580	7,635	10,168	4.1	917	50	32.5
Climate Zone: 30-Year Average
Under 2,000 CDD and --
- More than 7,000 HDD ..................	855	10,622	10,305	4.7	1,000	50	33.5
- 5,500-7,000 HDD .........................	1,173	17,335	17,340	4.8	1,065	50	34.5
- 4,000-5,499 HDD .........................	673	11,504	14,007	4.5	900	50	33.5
- Fewer than 4,000 HDD ................	1,276	15,739	17,178	4.1	1,025	48	28.5
2,000 CDD or More and --
- Fewer than 4,000 HDD ................	669	9,584	13,978	5.0	1,000	50	20.5
Number of Floors
One ................................................	3,136	25,981	23,710	3.6	1,000	50	25.5
Two ...............................................	1,031	16,270	16,170	7.1	1,013	50	38.5
Three .............................................	339	7,501	7,966	8.3	1,000	52	57.5
Four to Nine ...................................	128	10,085	15,910	41.0	1,080	64	63.5
Ten or More ...................................	12	4,947	9,051	255.0	667	95	31.5
Elevators and Escalators
(more than one may apply)
Any Elevators ................................	309	24,617	36,562	38.5	906	60	30.5
Number of Elevators
One ..............................................	208	8,221	9,079	26.0	952	55	33.5
Two to Five ..................................	88	10,129	15,894	89.0	906	80	25.5
Six or More ..................................	13	6,268	11,589	360.0	650	168	24.5
Any Escalators ..............................	6	2,350	4,048	190.0	1,000	65	34.5
Number of Workers (main shift)
Fewer than 5 .................................	2,653	15,492	4,633	3.0	1,550	45	31.5
5 to 9 ..............................................	778	6,166	5,080	4.8	717	50	31.5
10 to 19 ..........................................	563	7,803	7,305	7.7	600	55	27.5
20 to 49 ..........................................	398	10,989	11,780	15.5	575	60	28.5
50 to 99 ..........................................	147	7,934	9,545	36.0	580	60	26.5
100 to 249 ......................................	77	6,871	11,093	67.0	450	68	25.5
250 or More ...................................	30	9,528	23,371	180.0	381	72	21.5
Weekly Operating Hours
Fewer than 40 ...............................	1,002	6,863	3,293	3.1	1,500	10	36.5
40 to 48 ..........................................	1,117	11,622	13,765	4.5	850	40	30.5
49 to 60 ..........................................	1,062	15,723	19,146	5.0	900	55	30.5
61 to 84 ..........................................	591	10,334	11,630	6.3	1,029	72	31.5
85 to 167 ........................................	400	7,092	10,473	5.0	880	105	23.5
Open Continuously ........................	475	13,149	14,499	5.7	1,250	168	20.5
Ownership and Occupancy
Nongovernment Owned ................	4,011	49,421	53,339	4.5	1,000	50	29.5
Owner Occupied .........................	1,841	23,591	27,111	5.0	1,000	50	31.5
Nonowner Occupied ...................	2,029	23,914	26,228	4.0	1,000	55	27.5
Unoccupied ..................................	141	1,916	0	3.7	N	0	43.5
Government Owned ......................	635	15,363	19,468	6.2	975	45	31.5
Federal .........................................	46	1,956	2,432	6.6	900	60	34.5
State ............................................	164	3,808	7,204	5.5	808	45	30.5
Local ............................................	425	9,599	9,832	6.2	1,050	45	31.5
Vacancy Status
Completely Vacant .........................	157	2,161	0	2.8	N	0	43.5
Mostly Vacant ................................	25	406	64	11.3	6,625	20	38.5
Partially Vacant ..............................	548	12,382	16,997	5.7	1,053	50	28.5
Not At All Vacant ...........................	3,915	49,834	55,746	4.5	1,000	50	29.5
Number of Establishments
One ................................................	3,754	45,144	44,071	4.3	1,075	50	29.5
2 to 5 ..............................................	643	10,960	13,001	5.4	825	50	31.5
6 to 10 ............................................	55	1,958	Q	20.0	586	60	28.5
11 to 20 ..........................................	23	1,951	3,342	34.0	614	55	19.5
More than 20 ..................................	14	2,609	5,930	49.5	450	55	31.5
Currently Unoccupied ....................	157	2,161	0	2.8	N	0	43.5
Predominant Exterior
Wall Material
Brick, Stone or Stucco ...................	2,044	32,817	36,770	5.5	930	50	36.5
Concrete (Block or Poured) ...........	786	10,832	10,463	4.0	1,025	50	34.5
Concrete Panels ............................	131	6,559	10,891	12.8	950	55	21.5
Siding or Shingles ..........................	779	4,120	4,567	2.6	775	49	30.5
Metal Panels ...................................	825	7,912	6,235	4.7	1,500	49	17.5
Window Glass ...............................	17	1,024	1,910	10.0	833	60	28.5
Other ..............................................	47	1,113	1,541	3.6	1,333	50	32.5
No One Major Type ........................	18	406	430	8.5	1,025	50	22.5
Predominant Roof Material
Built-Up ..........................................	1,036	21,170	25,828	5.6	833	54	36.5
Shingles (Not Wood) ......................	1,325	10,195	10,462	3.9	1,000	48	33.5
Metal Surfacing ..............................	1,288	11,944	8,461	4.5	1,400	50	18.5
Synthetic or Rubber .......................	511	14,730	20,783	8.0	833	60	38.5
Slate or Tile ....................................	263	2,462	3,021	4.0	750	50	30.5
Wooden Materials ..........................	122	887	973	2.5	750	45	38.5
Concrete ........................................	61	2,231	1,958	6.0	573	58	35.5
Other ..............................................	16	598	652	14.5	878	51	21.5
No One Major Type ........................	25	565	669	8.0	857	70	38.5
Renovations in Buildings
Constructed Before 1980
(more than one may apply)
Any Type of Renovation
Since 1980 ....................................	1,018	17,844	20,481	5.4	1,000	50	48.5
Addition or Annex .......................	256	6,551	6,668	6.4	1,000	55	41.5
Reduction In Floorspace .............	22	1,012	1,078	23.8	1,333	70	51.5
Cosmetic Improvements ..............	741	13,119	15,890	5.2	1,000	50	50.5
Wall or Roof Replacement ..........	370	8,070	10,121	6.1	1,050	50	48.5
Interior Wall
Re-Configuration ........................	411	8,518	11,188	5.8	867	50	48.5
HVAC Equipment Upgrade ..........	442	10,768	13,849	8.0	975	51	49.5
Lighting Upgrade .........................	455	10,275	12,452	7.8	933	50	50.5
Window Replacement .................	310	6,354	7,462	6.5	938	50	51.5
Plumbing System Upgrade ..........	315	7,144	8,764	7.5	984	55	53.5
Insulation Upgrade ......................	227	4,015	5,019	4.5	950	47	53.5
Other Renovation ........................	19	523	476	10.5	1,550	75	66.5
No Renovations Since 1980 ..........	1,710	18,714	16,637	4.3	1,133	48	43.5
Building Newer than 1980 .............	1,917	28,225	35,689	4.5	920	50	10.5
Energy Sources (more than
one may apply)
Electricity .......................................	4,404	63,307	72,708	4.8	1,000	50	30.5
Natural Gas ....................................	2,391	43,468	51,956	5.9	960	54	33.5
Fuel Oil ...........................................	451	15,157	19,625	5.6	1,150	50	38.5
District Heat ...................................	67	5,443	10,190	26.5	950	60	41.5
District Chilled Water ......................	33	2,853	7,189	38.0	833	70	28.5
Propane .........................................	502	7,076	5,858	4.1	1,175	50	26.5
Wood .............................................	62	289	262	2.4	1,500	40	35.5
Coal ................................................	Q	Q	Q	3.7	1,159	50	26.5
Solar ..............................................	Q	Q	Q	2.4	2,400	112	18.5
Other ..............................................	61	909	1,190	7.0	1,200	50	29.5
Space-Heating Energy Sources
(more than one may apply)
Electricity .......................................	1,766	28,600	33,903	5.0	900	50	25.5
Natural Gas ....................................	2,165	36,959	40,933	5.8	971	50	33.5
Fuel Oil ...........................................	360	5,988	5,386	4.8	1,200	49	45.5
District Heat ...................................	65	5,198	9,939	25.0	950	60	41.5
Propane .........................................	372	3,204	3,002	3.5	1,200	45	23.5
Wood .............................................	59	261	191	2.4	1,500	40	35.5
Coal ................................................	Q	Q	Q	3.7	1,167	50	26.5
Solar ..............................................	Q	Q	Q	112.0	320	55	37.5
Other ..............................................	41	475	527	6.0	1,344	50	27.5
Primary Space-Heating
Energy Source
Electricity .......................................	1,258	15,996	19,392	4.3	890	50	23.5
Natural Gas ....................................	1,999	32,970	36,773	5.6	950	50	34.5
Fuel Oil ...........................................	282	3,818	2,669	4.0	1,200	48	48.5
District Heat ...................................	63	4,907	9,729	25.0	917	60	41.5
Propane .........................................	308	1,955	1,915	3.3	1,125	45	23.5
Wood .............................................	Q	Q	Q	2.2	1,500	40	35.5
Coal ................................................	Q	Q	Q	2.5	1,100	44	27.5
Solar...............................................	N	N	N	N	N	N	N
Other ..............................................	Q	Q	Q	4	1,667	45	28
Cooling Energy Sources
(more than one may apply)
Electricity .......................................	3,589	54,321	63,221	5.0	933	50	29.5
Natural Gas ....................................	17	1,018	1,342	12.8	756	60	25.5
District Chilled Water ......................	33	2,853	7,189	38.0	833	70	28.5
Water-Heating Energy Sources
(more than one may apply)
Electricity .......................................	1,910	27,490	32,638	5.0	975	50	27.5
Natural Gas ....................................	1,445	28,820	35,740	6.7	938	56	33.5
Fuel Oil ...........................................	94	1,880	2,036	5.5	1,040	63	47.5
District Heat ...................................	27	3,088	4,193	39.5	725	78	39.5
Propane .........................................	128	1,422	1,527	5.0	875	66	32.5
Cooking Energy Sources
(more than one may apply)
Electricity .......................................	410	13,161	16,034	7.0	867	72	29.5
Natural Gas ....................................	457	15,438	19,011	7.0	833	77	33.5
Propane .........................................	108	1,460	1,866	4.1	717	77	30.5
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........	3,982	60,028	70,778	5.0	980	50	30.5
Buildings with Cooling ....................	3,625	56,940	70,153	5.0	932	50	29.5
Buildings with Water Heating .........	3,472	56,478	69,224	5.1	938	50	30.5
Buildings with Cooking ...................	801	22,237	27,242	6.4	833	72	31.5
Buildings with Manufacturing ........	119	3,138	2,879	8.0	1,143	50	30.5
Buildings with Electricity
Generation ....................................	149	12,821	19,273	30.0	843	78	23.5
Percent of Floorspace Heated
Not Heated .....................................	663	4,756	2,029	3.2	1,250	49	23.5
1 to 50 ............................................	523	6,850	4,135	5.0	1,500	50	29.5
51 to 99 ..........................................	498	8,107	9,618	5.0	933	54	33.5
100 .................................................	2,962	45,071	57,024	4.8	889	50	30.5
Percent of Floorspace Cooled
Not Cooled .....................................	1,020	7,843	2,654	3.2	1,500	42	33.5
1 to 50 ............................................	985	16,598	11,094	6.9	1,500	50	32.5
51 to 99 ..........................................	629	13,211	16,510	6.1	900	56	31.5
100 .................................................	2,011	27,132	42,549	4.2	730	50	27.5
Percent Lit When Open
Zero ...............................................	47	293	95	3.6	1,700	168	9.5
1 to 50 ............................................	929	10,203	4,414	4.6	1,800	50	36.5
51 to 99 ..........................................	1,108	18,288	26,635	5.6	900	50	30.5
100 .................................................	2,176	32,789	41,552	4.8	800	50	28.5
Building Never Open/
Electricity Not Used .......................	386	3,210	111	3.2	1,750	0	28.5
	</