Lead Paint Risk in Norfolk County, Massachusetts

67.9%Pre-1978 Housing

199,141Pre-1978 Units

293,420Total Housing Units

154Census 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

199,141 housing units in Norfolk County were built before 1978.
The county's pre-1978 housing share is 67.9%, compared with the state rate of 68.2%.
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 154 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 4164	2,000	2,117	94.5%	9	19	332	253	1,387
Census Tract 4163	1,676	1,781	94.1%	42	181	114	213	1,126
Census Tract 4175.01	2,156	2,325	92.7%	164	84	230	174	1,504
Census Tract 4191	2,016	2,202	91.6%	104	134	523	188	1,067
Census Tract 4012.01	1,866	2,040	91.5%	89	72	417	742	546
Census Tract 4174	1,048	1,145	91.5%	23	127	281	238	379
Census Tract 4010	1,341	1,471	91.2%	10	90	55	35	1,151
Census Tract 4004.01	2,098	2,302	91.1%	442	485	25	100	1,046
Census Tract 4178.02	1,185	1,301	91.1%	338	48	330	128	341
Census Tract 4194	1,183	1,302	90.9%	184	169	89	129	612
Census Tract 4224.02	1,717	1,894	90.7%	126	437	287	254	613
Census Tract 4003	1,636	1,816	90.1%	25	43	67	72	1,429
Census Tract 4192	1,706	1,899	89.8%	224	179	351	327	625
Census Tract 4227	1,398	1,558	89.7%	47	152	255	373	571
Census Tract 4005	2,454	2,742	89.5%	142	178	173	134	1,827
Census Tract 4564.01	934	1,048	89.1%	121	152	163	41	457
Census Tract 4002.01	1,616	1,827	88.5%	340	283	139	62	792
Census Tract 4009	1,897	2,148	88.3%	778	269	101	20	729
Census Tract 4021.01	1,310	1,487	88.1%	55	259	342	167	487
Census Tract 4001	2,356	2,684	87.8%	96	352	320	189	1,399
Census Tract 4022	784	893	87.8%	76	154	314	41	199
Census Tract 4226	2,245	2,569	87.4%	105	284	866	316	674
Census Tract 4176.01	1,922	2,201	87.3%	147	68	117	39	1,551
Census Tract 4212	1,899	2,176	87.3%	124	216	820	166	573
Census Tract 4171	2,182	2,543	85.8%	153	36	251	274	1,468
Census Tract 4004.02	661	772	85.6%	7	141	75	27	411
Census Tract 4177.02	907	1,065	85.2%	48	115	112	78	554
Census Tract 4193	1,337	1,571	85.1%	350	58	253	146	530
Census Tract 4023	1,517	1,786	84.9%	68	289	800	122	238
Census Tract 4042.02	1,185	1,401	84.6%	111	95	185	92	702
Census Tract 4006	2,172	2,598	83.6%	332	174	43	89	1,534
Census Tract 4161.01	1,620	1,949	83.1%	213	254	488	197	468
Census Tract 4172.02	1,317	1,590	82.8%	67	59	309	136	746
Census Tract 4563.01	778	942	82.6%	152	49	89	131	357
Census Tract 4011	1,315	1,600	82.2%	31	200	120	76	888
Census Tract 4021.02	1,519	1,848	82.2%	192	167	158	187	815
Census Tract 4175.02	1,828	2,226	82.1%	376	159	127	158	1,008
Census Tract 4143	1,629	1,993	81.7%	266	319	370	70	604
Census Tract 4176.02	1,921	2,351	81.7%	163	101	191	367	1,099
Census Tract 4179.02	1,372	1,680	81.7%	152	120	71	120	909
Census Tract 4223.04	680	833	81.6%	10	64	181	175	250
Census Tract 4162	1,954	2,413	81.0%	163	212	323	205	1,051
Census Tract 4133	1,793	2,227	80.5%	172	570	355	63	633
Census Tract 4571	1,378	1,716	80.3%	77	129	422	61	689
Census Tract 4007	1,321	1,649	80.1%	79	106	60	101	975
Census Tract 4561.02	1,685	2,121	79.4%	351	353	276	158	547
Census Tract 4222.02	2,656	3,351	79.3%	761	652	465	170	608
Census Tract 4223.01	977	1,234	79.2%	186	99	224	259	209
Census Tract 4225.02	2,238	2,827	79.2%	365	377	469	114	913
Census Tract 4178.01	2,014	2,547	79.1%	184	150	109	116	1,455
Census Tract 4228	1,532	1,937	79.1%	324	98	355	187	568
Census Tract 4198	1,461	1,854	78.8%	211	129	215	207	699
Census Tract 4131	2,028	2,577	78.7%	372	273	904	125	354
Census Tract 4201.02	1,300	1,653	78.6%	255	143	457	117	328
Census Tract 4008	2,194	2,802	78.3%	270	339	330	171	1,084
Census Tract 4195	978	1,250	78.2%	110	228	189	55	396
Census Tract 4043.02	1,112	1,426	78.0%	131	177	115	130	559
Census Tract 4041	1,200	1,565	76.7%	39	38	280	271	572
Census Tract 4180.02	2,601	3,418	76.1%	729	460	268	114	1,030
Census Tract 4002.02	1,199	1,584	75.7%	330	155	120	153	441
Census Tract 4572	1,658	2,201	75.3%	156	238	669	192	403
Census Tract 4180.04	1,702	2,272	74.9%	210	109	237	16	1,130
Census Tract 4431.03	1,286	1,716	74.9%	197	180	273	92	544
Census Tract 4181.01	1,939	2,593	74.8%	167	199	417	280	876
Census Tract 4132.01	1,683	2,268	74.2%	470	279	428	146	360
Census Tract 4101	1,987	2,721	73.0%	615	270	431	0	671
Census Tract 4134.01	1,241	1,710	72.6%	48	49	216	50	878
Census Tract 4203.02	1,960	2,714	72.2%	323	758	358	116	405
Census Tract 4202.01	839	1,167	71.9%	211	230	147	50	201
Census Tract 4563.02	1,658	2,318	71.5%	834	217	265	272	70
Census Tract 4211	1,512	2,119	71.4%	189	206	652	142	323
Census Tract 4123	1,415	1,999	70.8%	470	244	352	194	155
Census Tract 4561.01	873	1,233	70.8%	138	185	314	79	157
Census Tract 4031	1,753	2,493	70.3%	117	257	508	313	558
Census Tract 4231.01	1,016	1,458	69.7%	118	90	256	28	524
Census Tract 4044	1,235	1,780	69.4%	298	209	126	61	541
Census Tract 4033	1,078	1,560	69.1%	202	184	247	72	373
Census Tract 4121	1,510	2,203	68.5%	169	413	168	167	593
Census Tract 4203.01	1,909	2,786	68.5%	409	346	332	172	650
Census Tract 4134.02	1,411	2,074	68.0%	169	561	397	0	284
Census Tract 4151.04	978	1,439	68.0%	313	203	131	0	331
Census Tract 4221	1,453	2,138	68.0%	49	345	446	234	379
Census Tract 4042.01	878	1,297	67.7%	26	33	125	98	596
Census Tract 4225.01	1,402	2,096	66.9%	442	131	291	39	499
Census Tract 4181.02	1,325	1,987	66.7%	134	30	168	169	824
Census Tract 4201.01	1,284	1,927	66.6%	185	406	524	151	18
Census Tract 4202.02	1,869	2,817	66.3%	347	701	387	219	215
Census Tract 4043.01	1,296	1,959	66.2%	76	154	491	209	366
Census Tract 4135	1,379	2,090	66.0%	329	65	293	101	591
Census Tract 4421.01	1,266	1,932	65.5%	44	309	255	106	552
Census Tract 4071.02	1,075	1,645	65.3%	419	169	296	6	185
Census Tract 4197	1,219	1,868	65.3%	247	109	488	198	177
Census Tract 4564.02	1,376	2,110	65.2%	501	438	104	131	202
Census Tract 4034	1,629	2,502	65.1%	366	323	514	69	357
Census Tract 4081.02	1,236	1,900	65.1%	115	140	196	49	736
Census Tract 4111.02	1,161	1,797	64.6%	84	279	233	81	484
Census Tract 4224.01	1,139	1,770	64.4%	449	253	222	49	166
Census Tract 4231.02	1,185	1,842	64.3%	278	188	184	44	491
Census Tract 4061.01	1,475	2,299	64.2%	214	481	186	157	437
Census Tract 4024	1,818	2,851	63.8%	20	126	495	161	1,016