VT Census Case Studies : ACS Benchmarking B25034 Year Structure Built (MRIS)

Notes:

Bolded: ACS 90% MOE crosses 0 (no data still with MOE)
Where this ACS table includes all "Housing Units", MRIS only includes data on residential homes that sold on the market (e.g. no apartments)

5 Year

Geography:	Arlington County, Virginia
Dataset: 2009-2010 5-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total	106,740	191	116	2,699	46,916	NO
Built 2010 or later	1,259	222	135	90	889	NO
Built 2000 to 2009	16,900	759	461	551	8,589	NO
Built 1990 to 1999	9,770	722	439	166	6,550	NO
Built 1980 to 1989	12,016	639	388	301	5,338	NO
Built 1970 to 1979	11,388	772	469	113	8,529	NO
Built 1960 to 1969	12,425	776	472	195	7,501	NO
Built 1950 to 1959	16,769	828	503	394	5,471	NO
Built 1940 to 1949	16,609	724	440	518	3,099	NO
Built 1939 or earlier	9,604	498	303	297	-1,803	NO

1 Year

Geography:	Arlington County, Virginia
Dataset: 2009 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total	103,813	872	530	2,676	101,137	NO
Built 2005 or later	5,513	1,158	704	502	5,011	NO
Built 2000 to 2004	9,154	1,724	1,048	141	9,013	NO
Built 1990 to 1999	8,675	1,290	784	159	8,516	NO
Built 1980 to 1989	12,107	1,855	1,128	264	11,843	NO
Built 1970 to 1979	10,771	1,687	1,026	131	10,640	NO
Built 1960 to 1969	12,237	1,515	921	209	12,028	NO
Built 1950 to 1959	18,725	2,117	1,287	381	18,344	NO
Built 1940 to 1949	18,178	2,068	1,257	280	17,898	NO
Built 1939 or earlier	8,453	1,177	716	309	8,144	NO

Geography:	Arlington County, Virginia
Dataset: 2010 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total	105,490	619	376	2,633	102,857	NO
Built 2005 or later	8,435	1,398	850	476	7,959	NO
Built 2000 to 2004	8,960	1,802	1,095	137	8,823	NO
Built 1990 to 1999	8,483	1,314	799	151	8,332	NO
Built 1980 to 1989	13,431	1,719	1,045	328	13,103	NO
Built 1970 to 1979	9,683	1,620	985	91	9,592	NO
Built 1960 to 1969	13,096	1,757	1,068	183	12,913	NO
Built 1950 to 1959	18,012	2,205	1,340	387	17,625	NO
Built 1940 to 1949	16,986	1,676	1,019	584	16,402	NO
Built 1939 or earlier	8,404	1,190	723	296	8,108	NO

Geography:	Arlington County, Virginia
Dataset: 2011 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total:	106,720	417	253	2,384	104,336	NO
Built 2005 or later	10,099	2,297	1,396	432	9,667	NO
Built 2000 to 2004	10,233	2,200	1,337	127	10,106	NO
Built 1990 to 1999	10,232	2,434	1,480	169	10,063	NO
Built 1980 to 1989	10,915	2,511	1,526	274	10,641	NO
Built 1970 to 1979	11,385	1,939	1,179	91	11,294	NO
Built 1960 to 1969	12,647	2,882	1,752	183	12,464	NO
Built 1950 to 1959	15,628	2,113	1,284	339	15,289	NO
Built 1940 to 1949	15,351	1,832	1,114	499	14,852	NO
Built 1939 or earlier	10,230	1,450	881	270	9,960	NO

Geography:	Arlington County, Virginia
Dataset: 2012 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total	107,734	537	326	2,815	104,919	NO
Built 2010 or later	1,609	455	277	173	1,436	NO
Built 2000 to 2009	16,501	1,909	1,160	505	15,996	NO
Built 1990 to 1999	9,831	1,392	846	166	9,665	NO
Built 1980 to 1989	12,709	1,907	1,159	297	12,412	NO
Built 1970 to 1979	11,609	1,613	981	124	11,485	NO
Built 1960 to 1969	11,219	1,738	1,057	204	11,015	NO
Built 1950 to 1959	16,465	1,669	1,015	419	16,046	NO
Built 1940 to 1949	17,375	1,510	918	622	16,753	NO
Built 1939 or earlier	10,416	1,376	836	305	10,111	NO

Geography:	Arlington County, Virginia
Dataset: 2013 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark			Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	SE	Estimate	Difference	Within 90%MOE?
Total:	109,689	504	306	2,986	106,703	NO
Built 2010 or later	3,849	973	591	168	3,681	NO
Built 2000 to 2009	17,968	1,893	1,151	617	17,351	NO
Built 1990 to 1999	12,041	1,596	970	184	11,857	NO
Built 1980 to 1989	11,868	1,850	1,125	341	11,527	NO
Built 1970 to 1979	12,318	1,507	916	126	12,192	NO
Built 1960 to 1969	11,257	1,457	886	196	11,061	NO
Built 1950 to 1959	14,239	1,990	1,210	443	13,796	NO
Built 1940 to 1949	15,815	1,684	1,024	607	15,208	NO
Built 1939 or earlier	10,334	1,357	825	304	10,030	c

5 Year

Geography:	Arlington County, Virginia
Dataset: 2009-2010 5-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	106,740	191	2,699	104,041	NO
Built 2010 or later	1.18%	0.21%	3.35%	-2.17%	NO
Built 2000 to 2009	15.83%	0.71%	20.43%	-4.60%	YES
Built 1990 to 1999	9.15%	0.68%	6.14%	3.01%	NO
Built 1980 to 1989	11.26%	0.60%	11.14%	0.11%	YES
Built 1970 to 1979	10.67%	0.72%	4.17%	6.50%	NO
Built 1960 to 1969	11.64%	0.73%	7.22%	4.42%	NO
Built 1950 to 1959	15.71%	0.78%	14.59%	1.12%	NO
Built 1940 to 1949	15.56%	0.68%	19.21%	-3.65%	NO
Built 1939 or earlier	9.00%	0.47%	11.00%	-2.00%	NO

1 Year

Geography:	Arlington County, Virginia
Dataset: 2009 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	103,813	872	2,676	101,137	NO
Built 2005 or later	5.31%	1.12%	18.76%	-13.45%	NO
Built 2000 to 2004	8.82%	1.66%	5.27%	3.55%	NO
Built 1990 to 1999	8.36%	1.24%	5.94%	2.41%	NO
Built 1980 to 1989	11.66%	1.79%	9.87%	1.80%	NO
Built 1970 to 1979	10.38%	1.63%	4.90%	5.48%	NO
Built 1960 to 1969	11.79%	1.46%	7.81%	3.98%	NO
Built 1950 to 1959	18.04%	2.04%	14.24%	3.80%	NO
Built 1940 to 1949	17.51%	1.99%	10.46%	7.05%	NO
Built 1939 or earlier	8.14%	1.13%	11.55%	-3.40%	NO

Geography:	Arlington County, Virginia
Dataset: 2010 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	105,490	619	2,633	102,857	NO
Built 2005 or later	8.00%	1.35%	18.08%	-10.08%	NO
Built 2000 to 2004	8.49%	1.74%	5.20%	3.29%	NO
Built 1990 to 1999	8.04%	1.27%	5.73%	2.31%	NO
Built 1980 to 1989	12.73%	1.66%	12.46%	0.27%	YES
Built 1970 to 1979	9.18%	1.56%	3.46%	5.72%	NO
Built 1960 to 1969	12.41%	1.69%	6.95%	5.46%	NO
Built 1950 to 1959	17.07%	2.13%	14.70%	2.38%	NO
Built 1940 to 1949	16.10%	1.62%	22.18%	-6.08%	NO
Built 1939 or earlier	7.97%	1.15%	11.24%	-3.28%	NO

Geography:	Arlington County, Virginia
Dataset: 2011 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	106,720	417	2,384	104,336	NO
Built 2005 or later	9.46%	2.18%	18.12%	-8.66%	NO
Built 2000 to 2004	9.59%	2.09%	5.33%	4.26%	NO
Built 1990 to 1999	9.59%	2.31%	7.09%	2.50%	NO
Built 1980 to 1989	10.23%	2.38%	11.49%	-1.27%	YES
Built 1970 to 1979	10.67%	1.84%	3.82%	6.85%	NO
Built 1960 to 1969	11.85%	2.73%	7.68%	4.17%	NO
Built 1950 to 1959	14.64%	2.00%	14.22%	0.42%	YES
Built 1940 to 1949	14.38%	1.74%	20.93%	-6.55%	NO
Built 1939 or earlier	9.59%	1.38%	11.33%	-1.74%	NO

Geography:	Arlington County, Virginia
Dataset: 2012 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	107,734	537	2,815	104,919	NO
Built 2010 or later	1.49%	0.42%	6.15%	-4.65%	NO
Built 2000 to 2009	15.32%	1.77%	17.94%	-2.62%	NO
Built 1990 to 1999	9.13%	1.29%	5.90%	3.23%	NO
Built 1980 to 1989	11.80%	1.77%	10.55%	1.25%	YES
Built 1970 to 1979	10.78%	1.50%	4.40%	6.37%	NO
Built 1960 to 1969	10.41%	1.61%	7.25%	3.17%	NO
Built 1950 to 1959	15.28%	1.55%	14.88%	0.40%	YES
Built 1940 to 1949	16.13%	1.40%	22.10%	-5.97%	NO
Built 1939 or earlier	9.67%	1.28%	10.83%	-1.17%	YES

Geography:	Arlington County, Virginia
Dataset: 2013 1-year	B25034 YEAR STRUCTURE BUILT [Universe: Housing units]
Description of Variable	ACS Benchmark		Direct Estimate from MRIS
Description of Variable	Estimate	90%MOE	Estimate	Difference	Within 90%MOE?
Total	109,689	504	2,986	106,703	NO
Built 2010 or later	3.51%	0.90%	5.63%	-2.12%	YES
Built 2000 to 2009	16.38%	1.76%	20.66%	-4.28%	YES
Built 1990 to 1999	10.98%	1.48%	6.16%	4.82%	NO
Built 1980 to 1989	10.82%	1.72%	11.42%	-0.60%	YES
Built 1970 to 1979	11.23%	1.40%	4.22%	7.01%	NO
Built 1960 to 1969	10.26%	1.35%	6.56%	3.70%	NO
Built 1950 to 1959	12.98%	1.85%	14.84%	-1.85%	NO
Built 1940 to 1949	14.42%	1.56%	20.33%	-5.91%	NO
Built 1939 or earlier	9.42%	1.26%	10.18%	-0.76%	YES