Lead Paint Risk in DuPage County, Illinois

54.3%Pre-1978 Housing

198,881Pre-1978 Units

366,099Total Housing Units

219Census 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

198,881 housing units in DuPage County were built before 1978.
The county's pre-1978 housing share is 54.3%, compared with the state rate of 64.1%.
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 219 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 8436.02	1,060	1,127	94.1%	50	299	412	57	242
Census Tract 8432	2,012	2,145	93.8%	175	607	611	44	575
Census Tract 8437	1,498	1,607	93.2%	98	78	755	164	403
Census Tract 8431	1,689	1,821	92.8%	379	411	509	178	212
Census Tract 8436.01	1,229	1,325	92.8%	90	392	482	124	141
Census Tract 8409.10	1,543	1,667	92.6%	422	654	435	32	0
Census Tract 8411.10	1,263	1,386	91.1%	1,143	64	23	0	33
Census Tract 8433.02	1,092	1,211	90.2%	149	400	345	79	119
Census Tract 8412.07	769	861	89.3%	390	354	8	0	17
Census Tract 8433.01	1,146	1,289	88.9%	265	207	567	60	47
Census Tract 8467.01	1,392	1,569	88.7%	229	365	633	150	15
Census Tract 8424	1,630	1,870	87.2%	386	227	621	133	263
Census Tract 8415.03	816	939	86.9%	409	103	277	5	22
Census Tract 8419.02	688	796	86.4%	55	73	264	71	225
Census Tract 8462.06	1,370	1,588	86.3%	602	668	93	7	0
Census Tract 8434	1,070	1,249	85.7%	153	340	299	68	210
Census Tract 8466.03	1,100	1,287	85.5%	318	456	297	29	0
Census Tract 8411.09	1,259	1,478	85.2%	1,137	24	36	24	38
Census Tract 8401.04	2,016	2,377	84.8%	583	768	405	85	175
Census Tract 8407.04	1,041	1,229	84.7%	451	205	301	46	38
Census Tract 8455.07	1,193	1,413	84.4%	275	696	208	0	14
Census Tract 8445.01	1,103	1,309	84.3%	188	275	393	190	57
Census Tract 8427.04	1,890	2,258	83.7%	1,484	239	38	0	129
Census Tract 8443.04	1,556	1,859	83.7%	728	599	123	26	80
Census Tract 8442.02	709	848	83.6%	52	377	213	27	40
Census Tract 8420	1,282	1,544	83.0%	178	274	322	50	458
Census Tract 8415.04	900	1,087	82.8%	71	127	132	50	520
Census Tract 8458.11	1,180	1,431	82.5%	690	271	159	60	0
Census Tract 8426.05	1,314	1,607	81.8%	347	210	529	96	132
Census Tract 8401.02	1,463	1,795	81.5%	523	754	162	8	16
Census Tract 8407.06	933	1,146	81.4%	260	288	342	0	43
Census Tract 8411.08	1,159	1,438	80.6%	951	89	64	55	0
Census Tract 8427.06	1,468	1,836	80.0%	367	737	274	27	63
Census Tract 8440.01	1,095	1,371	79.9%	76	544	421	46	8
Census Tract 8456.02	1,635	2,069	79.0%	499	356	547	54	179
Census Tract 8410.04	1,254	1,592	78.8%	284	403	298	73	196
Census Tract 8455.05	1,271	1,612	78.8%	942	261	68	0	0
Census Tract 8467.02	1,054	1,342	78.5%	225	430	278	111	10
Census Tract 8463.05	1,671	2,136	78.2%	904	405	189	102	71
Census Tract 8442.01	1,635	2,098	77.9%	283	386	657	158	151
Census Tract 8428	1,450	1,865	77.7%	27	204	754	73	392
Census Tract 8463.15	1,180	1,524	77.4%	252	854	74	0	0
Census Tract 8435	1,759	2,282	77.1%	430	218	354	250	507
Census Tract 8441	1,052	1,367	77.0%	68	279	561	75	69
Census Tract 8401.01	1,359	1,767	76.9%	183	314	689	147	26
Census Tract 8450	1,878	2,441	76.9%	77	306	928	233	334
Census Tract 8415.01	1,243	1,620	76.7%	368	237	196	62	380
Census Tract 8456.01	1,372	1,788	76.7%	362	355	280	74	301
Census Tract 8462.08	951	1,245	76.4%	713	191	28	0	19
Census Tract 8444.01	1,151	1,523	75.6%	736	370	36	0	9
Census Tract 8427.10	1,329	1,773	75.0%	872	288	149	11	9
Census Tract 8423	942	1,281	73.5%	164	97	254	50	377
Census Tract 8447.01	1,219	1,662	73.3%	379	438	237	64	101
Census Tract 8403.04	1,117	1,534	72.8%	517	497	33	70	0
Census Tract 8422	1,466	2,017	72.7%	377	360	133	45	551
Census Tract 8463.10	1,306	1,800	72.6%	613	566	93	0	34
Census Tract 8409.06	890	1,229	72.4%	676	127	65	10	12
Census Tract 8406	1,382	1,923	71.9%	16	86	559	214	507
Census Tract 8419.01	627	875	71.7%	308	120	96	52	51
Census Tract 8430	1,264	1,771	71.4%	245	87	230	315	387
Census Tract 8407.03	1,226	1,723	71.2%	516	293	376	26	15
Census Tract 8460.02	1,955	2,746	71.2%	381	873	372	75	254
Census Tract 8408.01	714	1,004	71.1%	179	218	218	32	67
Census Tract 8409.01	1,208	1,703	70.9%	420	398	279	103	8
Census Tract 8408.02	1,603	2,277	70.4%	376	192	433	415	187
Census Tract 8448.01	1,076	1,530	70.3%	83	167	537	174	115
Census Tract 8439	1,032	1,474	70.0%	10	152	262	118	490
Census Tract 8463.12	2,063	2,947	70.0%	1,730	306	13	0	14
Census Tract 8418.01	1,329	1,918	69.3%	166	348	466	93	256
Census Tract 8448.02	1,111	1,615	68.8%	229	307	378	44	153
Census Tract 8457.01	1,154	1,677	68.8%	530	249	199	113	63
Census Tract 8411.04	1,066	1,552	68.7%	454	280	237	40	55
Census Tract 8458.10	1,316	1,920	68.5%	697	395	204	0	20
Census Tract 8412.04	1,253	1,832	68.4%	1,116	31	4	20	82
Census Tract 8427.09	861	1,258	68.4%	338	400	58	7	58
Census Tract 8461.03	1,305	1,915	68.1%	475	118	61	44	607
Census Tract 8443.07	1,041	1,530	68.0%	228	453	155	83	122
Census Tract 8438	1,012	1,508	67.1%	85	101	297	65	464
Census Tract 8449.02	1,144	1,704	67.1%	240	216	184	92	412
Census Tract 8440.02	946	1,415	66.9%	80	96	351	144	275
Census Tract 8457.02	1,120	1,676	66.8%	348	383	237	35	117
Census Tract 8414.03	1,060	1,591	66.6%	256	485	154	93	72
Census Tract 8443.06	1,950	2,956	66.0%	872	932	20	117	9
Census Tract 8400	630	956	65.9%	74	174	302	45	35
Census Tract 8449.01	1,103	1,674	65.9%	181	66	325	81	450
Census Tract 8410.03	991	1,511	65.6%	652	205	124	0	10
Census Tract 8445.02	1,132	1,726	65.6%	790	230	80	19	13
Census Tract 8409.04	1,121	1,721	65.1%	850	172	92	7	0
Census Tract 8463.07	1,363	2,102	64.8%	956	324	83	0	0
Census Tract 8411.03	963	1,490	64.6%	894	61	8	0	0
Census Tract 8410.02	803	1,244	64.5%	239	239	295	0	30
Census Tract 8465.23	560	874	64.1%	142	251	167	0	0
Census Tract 8455.08	1,226	1,917	64.0%	874	145	108	99	0
Census Tract 8407.05	778	1,221	63.7%	340	182	159	33	64
Census Tract 8403.03	949	1,492	63.6%	387	413	92	0	57
Census Tract 8458.03	1,467	2,308	63.6%	663	485	116	37	166
Census Tract 8413.16	759	1,198	63.4%	586	128	38	0	7
Census Tract 8466.04	941	1,485	63.4%	222	662	42	0	15
Census Tract 8412.05	962	1,521	63.2%	530	318	80	9	25
Census Tract 8455.10	1,011	1,607	62.9%	497	442	60	12	0