Consumer Price Index, Chicago Naperville Elgin – October 2024

Prices in the Chicago-Naperville-Elgin area, as measured by the Consumer Price Index for All Urban Consumers (CPI-U), declined 0.3 percent in October, the U.S. Bureau of Labor Statistics reported today. (See table A.) Regional Commissioner Jason Palmer noted that energy prices fell 1.4 percent while food prices were 0.5 percent lower in October. The all items less food and energy index decreased 0.1 percent over the month. Among the indexes within the all items less food and energy category, prices were lower for medical care, household furnishings and operations, and apparel, while prices were higher for shelter, recreation, and public transportation. (Data in this report are not seasonally adjusted. Accordingly, month-to-month changes may reflect the impact of seasonal influences.)

Over the last 12 months, the CPI-U rose 3.5 percent. (See chart 1 and table A.) The index for all items less food and energy rose 4.1 percent over the year. Food prices increased 1.9 percent. Energy prices declined 0.4 percent, mainly due to decreased gasoline prices. (See table 1.)

Food

Food prices fell 0.5 percent in October. (See table 1.) Prices for food at home (groceries) declined 0.7 percent, and prices for food away from home (restaurant, cafeteria, and vending purchases) declined 0.2 percent for the same period. Within the food at home group, categories experiencing declines included other meats, citrus fruits, and snacks. Categories for other fats and oils, including peanut butter and cheese and related products, increased.

Over the year, food prices increased 1.9 percent. The food at home index rose 1.5 percent as five of the six major grocery store food group indexes advanced over the year. Increasing indexes included nonalcoholic beverages and beverage materials (+4.2 percent); cereals and bakery products (+3.3 percent); meats, poultry, fish, and eggs (+1.8 percent); fruits and vegetables (+1.9 percent); and dairy and related products (+1.1 percent). Prices for food away from home rose 2.6 percent.

Energy

The energy index decreased 1.4 percent over the month. The decrease was mainly due to lower gasoline prices (-2.5 percent). Electricity prices declined 0.7 percent, while utility (piped) gas service prices rose 0.8 percent for the same period.

Energy prices declined 0.4 percent over the year, mainly due to lower gasoline prices (-4.7 percent). Prices paid for electricity rose 4.6 percent, and utility (piped) gas service prices increased 2.9 percent during the past year.

All items less food and energy

The index for all items less food and energy decreased 0.1 percent in October. Lower prices for medical care (-1.1 percent), household furnishings and operations (-1.3 percent), and apparel (-1.8 percent) were partially offset by higher prices for shelter (+0.2 percent), recreation (+0.6 percent), and public transportation.

Over the year, the index for all items less food and energy rose 4.1 percent. Components contributing to the increase included shelter (+5.6 percent) and medical care services. Partly offsetting the increases were price decreases in household furnishings and operations (-7.6 percent).

Table A. Chicago-Naperville-Elgin, IL-IN-WI, CPI-U 1-month and 12-month percent changes, all items index, not seasonally adjusted

Month	2020	2021	2022	2023	2024
1-month	12-month	1-month	12-month	1-month	12-month	1-month	12-month	1-month	12-month
January	0.9	2.6	0.7	0.7	0.9	6.8	0.9	5.4	0.8	3.3
February	0.0	2.0	0.6	1.2	0.8	7.1	0.4	5.0	0.5	3.4
March	-0.7	1.1	0.6	2.6	1.4	7.8	0.8	4.4	0.6	3.1
April	-0.9	0.3	1.0	4.6	0.4	7.2	0.8	4.8	0.6	3.0
May	1.0	0.4	1.0	4.7	1.8	8.0	0.4	3.3	0.4	3.1
June	0.3	1.1	0.4	4.7	1.3(r)	8.9(r)	0.1	2.1	0.0	3.0
July	0.2	1.0	0.4	4.9	-0.2(r)	8.4(r)	0.0	2.2	0.6	3.7
August	0.1	1.0	0.1	4.8	0.1(r)	8.3(r)	0.2	2.3	0.2	3.8
September	0.6	1.4	0.3	4.5	0.2(r)	8.2(r)	0.1	2.3	0.5	4.1
October	-0.1	1.0	0.7	5.3	0.1(r)	7.7(r)	0.3	2.4	-0.3	3.5
November	-0.4	0.8	0.2	6.0	-0.6	6.8	-0.5	2.5
December	-0.2	0.9	0.4	6.6	-0.8	5.5	0.0	3.3
(r) Revised

The November 2024 Consumer Price Index for the Chicago-Naperville-Elgin area is scheduled to be released on Wednesday, December 11, 2024.

Technical Note

The Consumer Price Index (CPI) is a measure of the average change in prices over time in a fixed market basket of goods and services. The Consumer Price Index for Chicago is published monthly. The set of components and sub-aggregates published for regional and metropolitan indexes is more limited than at the U.S. city average level; these indexes are byproducts of the national CPI program. Each local index has a much smaller sample size than the national or regional indexes and is, therefore, subject to substantially more sampling and other measurement error. As a result, local-area indexes are more volatile than the national or regional indexes. In addition, local indexes are not adjusted for seasonal influences. NOTE: Area indexes do not measure differences in the level of prices between cities; they only measure the average change in prices for each area since the base period.

The Chicago-Naperville-Elgin, IL-IN-WI Core Based Statistical Area includes Cook, DeKalb, DuPage, Grundy, Kane, Kendall, Lake, McHenry, and Will Counties in Illinois; Jasper, Lake, Newton, and Porter Counties in Indiana; and Kenosha County in Wisconsin.

Refer to the national CPI news release technical note or the Handbook of Methods for more information.

Information in this release will be made available to individuals with sensory impairments upon request. Voice phone: (202) 691-5200; Telecommunications Relay Service: 7-1-1.

Table 1. Consumer Price Index for All Urban Consumers (CPI-U): Indexes and percent changes for selected periods
Chicago-Naperville-Elgin, IL-IN-WI (1982-84=100 unless otherwise noted)

Item and Group	Indexes	Percent change from-
Aug. 2024	Sep. 2024	Oct. 2024	Oct. 2023	Aug. 2024	Sep. 2024
Expenditure category
All items	294.608	295.979	295.239	3.5	0.2	-0.3
All items (1967=100)	880.167	884.261	882.052	-	-	-
Food and beverages	323.458	325.795	324.422	2.0	0.3	-0.4
Food	323.685	326.379	324.732	1.9	0.3	-0.5
Food at home	298.749	302.293	300.250	1.5	0.5	-0.7
Cereals and bakery products	343.814	345.054	345.110	3.3	0.4	0.0
Meats, poultry, fish and eggs	321.893	332.790	323.022	1.8	0.4	-2.9
Dairy and related products	258.674	255.192	265.766	1.1	2.7	4.1
Fruits and vegetables	347.663	367.437	360.780	1.9	3.8	-1.8
Nonalcoholic beverages and beverage materials(1)	259.970	264.621	255.434	4.2	-1.7	-3.5
Other food at home	249.925	243.579	246.844	-0.7	-1.2	1.3
Food away from home	350.665	351.710	350.853	2.6	0.1	-0.2
Alcoholic beverages	318.967	316.497	318.814	2.5	0.0	0.7
Housing	314.110	314.943	315.058	3.8	0.3	0.0
Shelter	402.407	404.084	404.964	5.6	0.6	0.2
Rent of primary residence(2)	426.129	428.149	430.573	5.2	1.0	0.6
Owners' equiv. rent of residences(2)(3)	415.256	417.191	418.404	6.1	0.8	0.3
Owners' equiv. rent of primary residence(2)(3)	415.256	417.191	418.404	6.1	0.8	0.3
Fuels and utilities	258.185	256.191	256.107	4.1	-0.8	0.0
Household energy	201.966	199.881	199.536	3.8	-1.2	-0.2
Energy services(2)	206.199	204.046	203.699	3.9	-1.2	-0.2
Electricity(2)	192.487	193.077	191.734	4.6	-0.4	-0.7
Utility (piped) gas service(2)	201.609	194.500	196.121	2.9	-2.7	0.8
Household furnishings and operations	103.598	103.650	102.340	-7.6	-1.2	-1.3
Apparel	92.093	95.003	93.337	3.1	1.4	-1.8
Transportation	248.214	246.163	245.876	4.1	-0.9	-0.1
Private transportation	253.684	249.982	248.600	3.7	-2.0	-0.6
New and used motor vehicles(4)	116.783	117.326	117.052	-2.2	0.2	-0.2
New vehicles(1)	214.017	213.645	213.095	-1.8	-0.4	-0.3
Used cars and trucks(1)	348.249	348.386	348.545	-2.6	0.1	0.0
Motor fuel	344.093	313.517	305.692	-4.9	-11.2	-2.5
Gasoline (all types)	342.594	311.852	303.961	-4.7	-11.3	-2.5
Gasoline, unleaded regular(5)	330.432	299.882	292.157	-5.0	-11.6	-2.6
Gasoline, unleaded midgrade(5)(6)	384.775	356.377	347.442	-3.0	-9.7	-2.5
Gasoline, unleaded premium(5)	373.350	348.674	341.313	-2.5	-8.6	-2.1
Medical care	558.957	577.142	570.538	4.3	2.1	-1.1
Recreation(4)	134.900	134.571	135.351	2.8	0.3	0.6
Education and communication(4)	145.523	144.462	143.686	2.3	-1.3	-0.5
Tuition, other school fees, and childcare(1)	1,320.751	1,334.699	1,334.699	5.1	1.1	0.0
Other goods and services	511.193	515.835	511.480	8.2	0.1	-0.8
Commodity and service group
All items	294.608	295.979	295.239	3.5	0.2	-0.3
Commodities	203.119	202.479	200.824	-0.7	-1.1	-0.8
Commodities less food and beverages	146.404	144.759	143.119	-2.7	-2.2	-1.1
Nondurables less food and beverages	203.685	201.156	197.137	-1.4	-3.2	-2.0
Durables	93.787	92.954	93.507	-5.7	-0.3	0.6
Services	381.438	384.711	384.837	5.9	0.9	0.0
Special aggregate indexes
All items less medical care	283.552	284.136	283.670	3.5	0.0	-0.2
All items less shelter	258.040	259.309	257.991	2.4	0.0	-0.5
Commodities less food	152.131	150.448	148.887	-2.4	-2.1	-1.0
Nondurables	263.734	263.251	260.249	0.5	-1.3	-1.1
Nondurables less food	211.156	208.607	204.863	-1.0	-3.0	-1.8
Services less rent of shelter(3)	377.761	382.865	382.188	6.3	1.2	-0.2
Services less medical care services	367.117	368.824	369.549	5.9	0.7	0.2
Energy	257.589	244.250	240.950	-0.4	-6.5	-1.4
All items less energy	300.587	303.203	302.671	3.8	0.7	-0.2
All items less food and energy	297.270	299.876	299.519	4.1	0.8	-0.1
Footnotes (1) Index on a December 1977=100 base. (2) This index series was calculated using a Laspeyres estimator. All other item stratum index series were calculated using a geometric means estimator. (3) Index on a December 1982=100 base. (4) Indexes on a December 1997=100 base. (5) Special index based on a substantially smaller sample. (6) Index on a December 1993=100 base.
- Data not available. Note: Index applies to a month as a whole, not to any specific date. Data not seasonally adjusted.

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