Lead Paint Risk in Montgomery County, Maryland

49.1%Pre-1978 Housing

199,049Pre-1978 Units

405,127Total Housing Units

232Census Tracts

How to Interpret This

This is an area-level screening signal based on Census housing-age data. It does not confirm lead paint in any specific home. Homes built before 1978 may contain lead-based paint, and certified inspection or testing is the only way to confirm a property-level hazard.

Reporter / Resident Story Kit

199,049 housing units in Montgomery County were built before 1978.
The county's pre-1978 housing share is 49.1%, compared with the state rate of 51.6%.
Local questions: Which neighborhoods have the oldest housing stock? Are lead-safe renovation resources available? Do renters and families with young children know how to request testing?

Highest-Risk Census Tracts

Individual census tracts ranked by pre-1978 housing percentage. Showing the top 100 of 232 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 7032.01	2,371	2,371	100.0%	178	1,814	364	15	0
Census Tract 7033.01	1,411	1,419	99.4%	57	269	935	150	0
Census Tract 7021.02	1,149	1,159	99.1%	45	61	351	549	143
Census Tract 7033.02	1,336	1,364	97.9%	25	503	619	174	15
Census Tract 7053	695	711	97.7%	7	29	84	150	425
Census Tract 7034.02	1,070	1,096	97.6%	32	292	647	99	0
Census Tract 7030	683	703	97.2%	0	4	252	350	77
Census Tract 7037.01	1,190	1,225	97.1%	23	219	686	236	26
Census Tract 7011.01	1,542	1,605	96.1%	79	276	1,087	51	49
Census Tract 7034.04	884	929	95.2%	23	85	712	18	46
Census Tract 7017.03	1,275	1,342	95.0%	134	517	226	307	91
Census Tract 7024.01	1,018	1,075	94.7%	75	39	157	259	488
Census Tract 7012.10	1,192	1,260	94.6%	899	203	41	49	0
Census Tract 7035.02	1,161	1,230	94.4%	226	256	624	30	25
Census Tract 7037.02	1,253	1,327	94.4%	0	34	539	680	0
Census Tract 7034.01	1,403	1,490	94.2%	100	338	856	109	0
Census Tract 7018	1,754	1,875	93.5%	65	597	285	316	491
Census Tract 7029	2,165	2,350	92.1%	42	643	396	443	641
Census Tract 7035.01	1,958	2,148	91.2%	380	206	503	850	19
Census Tract 7017.01	1,442	1,596	90.4%	256	94	356	119	617
Census Tract 7026.02	2,244	2,483	90.4%	420	850	395	413	166
Census Tract 7022	1,456	1,614	90.2%	73	93	270	728	292
Census Tract 7034.03	873	972	89.8%	12	113	491	227	30
Census Tract 7056.01	1,060	1,180	89.8%	9	8	232	301	510
Census Tract 7023.02	1,742	1,942	89.7%	79	708	188	557	210
Census Tract 7055.02	1,564	1,752	89.3%	200	308	343	101	612
Census Tract 7012.02	911	1,028	88.6%	18	135	584	64	110
Census Tract 7057.02	1,533	1,739	88.2%	485	142	695	145	66
Census Tract 7011.02	1,892	2,147	88.1%	13	222	1,181	384	92
Census Tract 7036.01	1,701	1,949	87.3%	285	219	946	218	33
Census Tract 7045.01	998	1,147	87.0%	88	320	584	6	0
Census Tract 7009.02	1,234	1,422	86.8%	184	325	349	67	309
Census Tract 7031	1,394	1,610	86.6%	18	185	710	246	235
Census Tract 7043	1,150	1,330	86.5%	51	29	883	156	31
Census Tract 7044.03	866	1,004	86.3%	693	91	82	0	0
Census Tract 7040	2,222	2,585	86.0%	460	478	674	429	181
Census Tract 7032.10	1,121	1,309	85.6%	12	500	545	48	16
Census Tract 7042	760	890	85.4%	39	263	222	110	126
Census Tract 7032.02	1,805	2,125	84.9%	411	1,078	239	40	37
Census Tract 7010.04	1,551	1,830	84.8%	417	1,065	57	0	12
Census Tract 7017.04	899	1,060	84.8%	2	76	199	351	271
Census Tract 7024.02	1,845	2,175	84.8%	226	604	290	158	567
Census Tract 7027	2,155	2,542	84.8%	220	378	786	525	246
Census Tract 7016.02	1,594	1,885	84.6%	242	651	449	72	180
Census Tract 7013.04	1,807	2,144	84.3%	1,543	229	4	31	0
Census Tract 7054	843	1,010	83.5%	7	14	54	78	690
Census Tract 7045.02	827	992	83.4%	207	295	272	53	0
Census Tract 7012.01	2,133	2,572	82.9%	336	676	858	263	0
Census Tract 7013.03	1,138	1,381	82.4%	428	702	8	0	0
Census Tract 7017.02	914	1,112	82.2%	97	103	292	217	205
Census Tract 7036.02	883	1,081	81.7%	20	50	406	395	12
Census Tract 7039.01	916	1,126	81.3%	96	65	279	439	37
Census Tract 7007.27	470	579	81.2%	134	198	97	34	7
Census Tract 7041	1,382	1,706	81.0%	133	343	569	145	192
Census Tract 7012.06	1,653	2,062	80.2%	292	1,177	118	51	15
Census Tract 7016.01	604	762	79.3%	72	331	169	0	32
Census Tract 7032.08	1,282	1,637	78.3%	91	655	483	53	0
Census Tract 7046	1,634	2,086	78.3%	88	354	558	443	191
Census Tract 7032.07	1,397	1,788	78.1%	292	880	139	56	30
Census Tract 7010.06	1,482	1,902	77.9%	1,184	282	16	0	0
Census Tract 7052	907	1,165	77.9%	10	129	284	218	266
Census Tract 7023.01	1,105	1,423	77.7%	70	141	561	207	126
Census Tract 7057.01	1,404	1,810	77.6%	142	343	646	253	20
Census Tract 7019	1,099	1,418	77.5%	91	177	292	306	233
Census Tract 7009.03	514	681	75.5%	199	135	152	11	17
Census Tract 7010.01	1,660	2,217	74.9%	703	391	525	0	41
Census Tract 7015.05	2,015	2,705	74.5%	224	969	558	37	227
Census Tract 7008.13	1,600	2,169	73.8%	1,325	189	23	39	24
Census Tract 7028	2,111	2,869	73.6%	57	1,047	203	164	640
Census Tract 7051	1,576	2,144	73.5%	90	267	639	126	454
Census Tract 7032.16	1,764	2,405	73.3%	659	911	177	17	0
Census Tract 7015.09	1,677	2,333	71.9%	533	699	192	81	172
Census Tract 7014.24	670	938	71.4%	79	506	49	26	10
Census Tract 7021.01	1,385	1,959	70.7%	151	535	450	166	83
Census Tract 7056.02	1,965	2,816	69.8%	983	860	74	22	26
Census Tract 7060.11	1,281	1,841	69.6%	371	808	50	52	0
Census Tract 7045.03	1,028	1,483	69.3%	26	39	709	223	31
Census Tract 7060.12	1,369	1,983	69.0%	858	444	27	25	15
Census Tract 7032.22	1,083	1,576	68.7%	628	332	112	0	11
Census Tract 7002.04	646	945	68.4%	159	259	116	10	102
Census Tract 7015.03	1,552	2,285	67.9%	280	844	352	59	17
Census Tract 7047	921	1,356	67.9%	43	65	129	288	396
Census Tract 7009.05	1,160	1,711	67.8%	196	878	62	24	0
Census Tract 7058	1,602	2,362	67.8%	354	406	511	124	207
Census Tract 7026.03	817	1,213	67.4%	115	350	337	0	15
Census Tract 7060.10	748	1,125	66.5%	617	105	17	9	0
Census Tract 7032.15	728	1,097	66.4%	256	454	8	0	10
Census Tract 7007.32	691	1,053	65.6%	469	135	76	11	0
Census Tract 7050	1,239	1,902	65.1%	60	170	130	464	415
Census Tract 7008.12	1,194	1,847	64.6%	812	359	8	10	5
Census Tract 7012.05	1,611	2,500	64.4%	367	1,020	179	12	33
Census Tract 7059.03	1,152	1,789	64.4%	55	321	666	67	43
Census Tract 7039.02	1,775	2,808	63.2%	116	427	774	346	112
Census Tract 7020	1,071	1,703	62.9%	113	37	567	343	11
Census Tract 7044.01	726	1,160	62.6%	17	230	441	21	17
Census Tract 7008.10	1,251	2,014	62.1%	1,187	60	4	0	0
Census Tract 7032.09	1,678	2,705	62.0%	267	615	772	24	0
Census Tract 7059.02	912	1,478	61.7%	82	190	371	90	179
Census Tract 7012.12	550	906	60.7%	317	159	30	39	5
Census Tract 7032.14	1,648	2,728	60.4%	691	695	217	45	0