Lead Paint Risk in Jefferson County, Colorado

51.0%Pre-1978 Housing

128,037Pre-1978 Units

251,183Total Housing Units

146Census 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

128,037 housing units in Jefferson County were built before 1978.
The county's pre-1978 housing share is 51.0%, compared with the state rate of 40.6%.
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 146 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 103.06	1,219	1,266	96.3%	253	855	75	36	0
Census Tract 117.08	1,465	1,541	95.1%	98	883	421	34	29
Census Tract 120.51	1,308	1,391	94.0%	648	594	66	0	0
Census Tract 108.01	1,111	1,188	93.5%	103	606	374	0	28
Census Tract 98.07	778	835	93.2%	111	398	235	23	11
Census Tract 120.53	1,397	1,526	91.5%	956	432	9	0	0
Census Tract 113	1,353	1,509	89.7%	89	154	453	300	357
Census Tract 118.03	1,972	2,199	89.7%	583	416	774	146	53
Census Tract 105.02	2,171	2,422	89.6%	653	422	771	276	49
Census Tract 112.02	1,616	1,839	87.9%	145	356	1,050	55	10
Census Tract 106.04	1,001	1,143	87.6%	86	96	679	86	54
Census Tract 116.02	1,538	1,760	87.4%	293	663	556	16	10
Census Tract 105.04	1,095	1,274	85.9%	142	723	190	32	8
Census Tract 103.04	946	1,107	85.5%	87	218	618	20	3
Census Tract 103.05	1,533	1,795	85.4%	332	408	695	77	21
Census Tract 117.11	1,623	1,921	84.5%	756	793	60	0	14
Census Tract 117.10	1,782	2,120	84.1%	1,324	458	0	0	0
Census Tract 110	1,960	2,367	82.8%	163	327	745	412	313
Census Tract 98.33	1,922	2,386	80.6%	1,808	72	26	0	16
Census Tract 102.05	839	1,045	80.3%	536	199	80	18	6
Census Tract 102.12	1,368	1,703	80.3%	330	367	410	0	261
Census Tract 117.12	1,449	1,818	79.7%	947	442	60	0	0
Census Tract 102.08	1,719	2,164	79.4%	900	723	96	0	0
Census Tract 104.03	2,169	2,754	78.8%	700	634	669	53	113
Census Tract 117.21	1,039	1,325	78.4%	930	82	27	0	0
Census Tract 107.01	1,931	2,486	77.7%	466	234	845	296	90
Census Tract 117.01	1,645	2,122	77.5%	850	665	69	0	61
Census Tract 103.03	1,773	2,295	77.3%	673	866	173	21	40
Census Tract 120.52	1,627	2,112	77.0%	1,545	0	36	0	46
Census Tract 106.03	1,498	1,947	76.9%	129	251	551	313	254
Census Tract 102.13	1,480	1,932	76.6%	544	650	226	14	46
Census Tract 107.02	1,962	2,585	75.9%	525	79	757	262	339
Census Tract 102.10	1,071	1,412	75.8%	344	505	108	38	76
Census Tract 115.51	1,797	2,371	75.8%	516	370	463	141	307
Census Tract 117.27	1,141	1,512	75.5%	489	607	10	12	23
Census Tract 116.01	1,042	1,394	74.7%	432	130	347	109	24
Census Tract 117.28	897	1,204	74.5%	490	407	0	0	0
Census Tract 111.01	1,228	1,660	74.0%	426	194	348	123	137
Census Tract 117.02	1,644	2,262	72.7%	227	1,349	41	27	0
Census Tract 109.01	1,624	2,249	72.2%	715	451	198	138	122
Census Tract 98.35	1,002	1,413	70.9%	1,002	0	0	0	0
Census Tract 102.11	930	1,331	69.9%	365	436	117	12	0
Census Tract 98.41	626	900	69.6%	328	298	0	0	0
Census Tract 102.06	1,144	1,643	69.6%	1,016	95	23	0	10
Census Tract 98.32	630	915	68.9%	228	325	63	14	0
Census Tract 109.02	1,035	1,509	68.6%	459	227	332	14	3
Census Tract 120.30	1,112	1,624	68.5%	628	180	79	87	138
Census Tract 105.03	1,502	2,216	67.8%	397	520	522	0	63
Census Tract 98.06	1,288	1,912	67.4%	370	637	272	9	0
Census Tract 99.01	682	1,012	67.4%	82	88	131	56	325
Census Tract 111.02	1,054	1,579	66.8%	506	69	227	144	108
Census Tract 120.39	1,375	2,084	66.0%	1,281	79	7	8	0
Census Tract 120.49	951	1,441	66.0%	618	319	14	0	0
Census Tract 98.40	974	1,481	65.8%	862	101	11	0	0
Census Tract 118.06	1,614	2,455	65.7%	367	500	525	99	123
Census Tract 117.25	502	766	65.5%	459	37	0	0	6
Census Tract 114.01	848	1,320	64.2%	176	255	217	74	126
Census Tract 120.26	1,090	1,721	63.3%	438	82	120	83	367
Census Tract 104.06	928	1,484	62.5%	95	172	584	35	42
Census Tract 118.04	1,063	1,711	62.1%	280	531	237	15	0
Census Tract 120.46	502	813	61.7%	436	62	0	0	4
Census Tract 117.20	1,284	2,124	60.5%	543	659	82	0	0
Census Tract 104.02	1,820	3,048	59.7%	710	326	597	56	131
Census Tract 117.09	930	1,565	59.4%	776	104	50	0	0
Census Tract 103.07	1,246	2,107	59.1%	345	636	185	66	14
Census Tract 98.23	946	1,617	58.5%	941	5	0	0	0
Census Tract 120.38	730	1,250	58.4%	718	12	0	0	0
Census Tract 98.30	614	1,058	58.0%	547	59	8	0	0
Census Tract 98.36	927	1,612	57.5%	687	114	106	0	20
Census Tract 98.34	1,165	2,044	57.0%	1,096	59	0	0	10
Census Tract 120.27	756	1,334	56.7%	211	160	120	18	247
Census Tract 120.42	801	1,424	56.3%	791	0	0	0	10
Census Tract 117.23	1,122	2,015	55.7%	464	629	20	9	0
Census Tract 98.47	787	1,423	55.3%	552	82	63	54	36
Census Tract 100.01	847	1,536	55.1%	439	205	119	35	49
Census Tract 120.41	1,170	2,131	54.9%	934	189	47	0	0
Census Tract 98.50	676	1,241	54.5%	161	209	215	46	45
Census Tract 120.31	862	1,587	54.3%	557	123	35	63	84
Census Tract 120.32	624	1,155	54.0%	390	121	62	7	44
Census Tract 120.58	1,025	1,934	53.0%	349	104	100	20	452
Census Tract 98.24	1,094	2,077	52.7%	1,050	21	23	0	0
Census Tract 98.53	510	986	51.7%	492	18	0	0	0
Census Tract 102.09	1,444	2,809	51.4%	1,225	219	0	0	0
Census Tract 158	1,124	2,192	51.3%	379	339	381	12	13
Census Tract 120.33	597	1,177	50.7%	397	36	42	34	88
Census Tract 117.30	853	1,704	50.1%	782	64	7	0	0
Census Tract 120.48	466	948	49.2%	435	20	11	0	0
Census Tract 115.52	676	1,381	49.0%	4	205	252	74	141
Census Tract 101	1,054	2,161	48.8%	420	213	70	274	77
Census Tract 98.28	1,055	2,227	47.4%	984	13	26	32	0
Census Tract 114.02	1,016	2,177	46.7%	221	185	322	158	130
Census Tract 98.58	778	1,681	46.3%	290	184	111	0	193
Census Tract 98.52	817	1,901	43.0%	416	198	108	51	44
Census Tract 120.47	727	1,728	42.1%	697	15	15	0	0
Census Tract 159	628	1,531	41.0%	547	50	25	0	6
Census Tract 119.04	704	1,757	40.1%	535	29	112	28	0
Census Tract 120.55	607	1,524	39.8%	581	9	9	8	0
Census Tract 117.26	870	2,244	38.8%	705	55	0	0	110
Census Tract 120.37	649	1,742	37.3%	277	143	120	47	62
Census Tract 98.56	487	1,325	36.8%	382	78	27	0	0