Department of Labor Logo United States Department of Labor
Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

News Release Information

20-1879-CHI
Tuesday, October 13, 2020

Contacts

Technical information:
Media contact:
  • (312) 353-1138

Consumer Price Index, Chicago-Naperville-Elgin — September 2020

Area prices were up 0.6 percent over the past month, up 1.4 percent from a year ago

Prices in the Chicago-Naperville-Elgin area, as measured by the Consumer Price Index for All Urban Consumers (CPI-U), increased 0.6 percent in September, the U.S. Bureau of Labor Statistics reported today.  Regional Commissioner Jason Palmer noted that food prices increased 1.9 percent and the energy index was down 1.1 percent in September. The all items less food and energy index rose 0.4 percent in September due to higher prices for apparel and shelter. (Data in this report are not seasonally adjusted. Accordingly, month-to-month changes may reflect seasonal influences.)

Over the last 12 months, the CPI-U rose 1.4 percent. (See chart 1 and table A.)  The index for all items less food and energy increased 1.6 percent over the year. Food prices rose 4.2 percent. Energy prices declined 8.2 percent, largely the result of a decrease in the price of gasoline. (See table 1.)

Food

Food prices increased 1.9 percent for the month of September.  Prices for food at home (groceries) declined 0.1 percent, and prices for food away from home (restaurant, cafeteria, and vending purchases) advanced 4.6 percent for the same period. Within the food at home group, indexes were higher in September for carbonated drinks; fresh fish and seafood; and frozen and freeze dried prepared foods, while prices were lower for milk and coffee.

Over the year, food prices rose 4.2 percent. Prices for food at home increased 3.2 percent since a year ago, and prices for food away from home advanced 5.4 percent.

Energy

The energy index decreased 1.1 percent over the month. The decrease was mainly due to lower prices for gasoline (-2.0 percent). Prices for utility (piped) gas service rose 3.7 percent, while prices for electricity decreased 2.7 percent for the same period.

Energy prices declined 8.2 percent over the year, largely due to lower prices for gasoline (-17.5 percent). Prices paid for utility (piped) gas service advanced 5.9 percent, while prices for electricity were unchanged during the past year.

All items less food and energy

The index for all items less food and energy increased 0.4 percent in September. Higher prices for apparel (+9.6 percent) and shelter (+0.2 percent) were partially offset by lower prices for other goods and services (-0.2 percent).

Over the year, the index for all items less food and energy increased 1.6 percent. Components contributing to the increase included shelter (+2.0 percent) and medical care (+6.2 percent). Partly offsetting the increases were price decreases in apparel (-4.7 percent) and other goods and services (-0.4 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 2016 2017 2018 2019 2020
1-month 12-month 1-month 12-month 1-month 12-month 1-month 12-month 1-month 12-month

January

0.8 0.9 0.7 1.8 0.8 1.8 0.6 0.8 0.9 2.6

February

-0.2 0.7 0.1 2.2 0.0 1.6 0.6 1.4 0.0 2.0

March

0.1 0.2 -0.1 2.0 0.0 1.8 0.1 1.5 -0.7 1.1

April

0.6 0.7 0.4 1.7 0.7 2.1 -0.1 0.8 -0.9 0.3

May

0.0 0.3 0.2 1.8 0.4 2.3 0.8 1.2 1.0 0.4

June

0.5 0.7 0.0 1.3 -0.2 2.2 -0.4 1.0 0.3 1.1

July

-0.8 -0.1 0.0 2.2 -0.3 1.9 0.3 1.6 0.2 1.0

August

0.2 -0.2 0.3 2.3 0.1 1.7 0.2 1.6 0.1 1.0

September

0.6 0.6 0.4 2.1 0.4 1.6 0.2 1.4 0.6 1.4

October

0.1 0.8 -0.4 1.6 0.0 2.0 0.3 1.8

November

0.2 1.5 0.4 1.8 -0.6 1.0 -0.2 2.2

December

-0.2 1.9 -0.4 1.7 -0.3 1.1 -0.2 2.2

The October 2020 Consumer Price Index for Chicago is scheduled to be released on Thursday, November 12, 2020.

Coronavirus (COVID-19) Pandemic Impact on September 2020 Consumer Price Index Data

Data collection by personal visit for the Consumer Price Index (CPI) program has been suspended since March 16, 2020. When possible, data normally collected by personal visit were collected either online or by phone. Additionally, data collection in September was affected by the temporary closing or limited operations of certain types of establishments. These factors resulted in an increase in the number of prices considered temporarily unavailable and imputed.

While the CPI program attempted to collect as much data as possible, many indexes are based on smaller amounts of collected prices than usual, and a small number of indexes that are normally published were not published this month. Additional information is available at www.bls.gov/covid19/effects-of-covid-19-pandemic-on-consumer-price-index.htm.   


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 Bureau of Labor Statistics publishes CPIs for two population groups: (1) a CPI for All Urban Consumers (CPI-U) which covers approximately 93 percent of the total population and (2) a CPI for Urban Wage Earners and Clerical Workers (CPI-W) which covers 29 percent of the total population. The CPI-U includes, in addition to wage earners and clerical workers, groups such as professional, managerial, and technical workers, the self-employed, short-term workers, the unemployed, and retirees and others not in the labor force.

The CPI is based on prices of food, clothing, shelter, and fuels, transportation fares, charges for doctors' and dentists' services, drugs, and the other goods and services that people buy for day-to-day living. Each month, prices are collected in 75 urban areas across the country from about 5,000 housing units and approximately 22,000 retail establishments--department stores, supermarkets, hospitals, filling stations, and other types of stores and service establishments. All taxes directly associated with the purchase and use of items are included in the index.

The index measures price changes from a designated reference date (1982-84) that equals 100.0. An increase of 16.5 percent, for example, is shown as 116.5. This change can also be expressed in dollars as follows: the price of a base period "market basket" of goods and services in the CPI has risen from $10 in 1982-84 to $11.65. For further details see the CPI home page on the Internet at www.bls.gov/cpi and the BLS Handbook of Methods, Chapter 17, The Consumer Price Index, available on the Internet at www.bls.gov/opub/hom/pdf/homch17.pdf.

In calculating the index, price changes for the various items in each location are averaged together with weights that represent their importance in the spending of the appropriate population group. Local data are then combined to obtain a U.S. city average. Because the sample size of a local area is smaller, the local area index is subject to substantially more sampling and other measurement error than the national index. In addition, local indexes are not adjusted for seasonal influences. As a result, local area indexes show greater volatility than the national index, although their long-term trends are quite similar. 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 covered in this release is comprised of 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.

Information in this release will be made available to sensory impaired individuals upon request. Voice phone: (202) 691-5200; Federal Relay Service: (800) 877-8339.

 

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-
Jul.
2020
Aug.
2020
Sep.
2020
Sep.
2019
Jul.
2020
Aug.
2020

Expenditure category

All items

244.046 244.341 245.745 1.4 0.7 0.6

All items (1967=100)

729.109 729.989 734.183 - - -

Food and beverages

261.891 260.499 265.079 4.1 1.2 1.8

Food

261.601 259.872 264.931 4.2 1.3 1.9

Food at home

251.201 246.435 246.143 3.2 -2.0 -0.1

Cereals and bakery products

277.926 275.587 278.781 3.9 0.3 1.2

Meats, poultry, fish and eggs

279.904 263.884 267.299 5.7 -4.5 1.3

Dairy and related products

228.118 233.675 227.612 8.3 -0.2 -2.6

Fruits and vegetables

312.591 308.078 295.809 -6.2 -5.4 -4.0

Nonalcoholic beverages and beverage materials(1)

207.069 206.231 212.088 6.8 2.4 2.8

Other food at home

201.867 198.818 199.412 4.3 -1.2 0.3

Food away from home

270.282 272.882 285.383 5.4 5.6 4.6

Alcoholic beverages

264.204 267.163 265.543 2.9 0.5 -0.6

Housing

258.864 259.549 259.955 2.0 0.4 0.2

Shelter

329.702 330.642 331.358 2.0 0.5 0.2

Rent of primary residence(2)

350.090 350.673 351.302 2.5 0.3 0.2

Owners' equiv. rent of residences(2)(3)

339.121 340.744 341.200 3.1 0.6 0.1

Owners' equiv. rent of primary residence(2)(3)

339.121 340.744 341.200 3.1 0.6 0.1

Fuels and utilities

208.234 209.238 208.748 2.1 0.2 -0.2

Household energy

159.964 160.986 160.473 2.1 0.3 -0.3

Energy services(2)

163.230 164.263 163.753 2.2 0.3 -0.3

Electricity(2)

165.959 167.590 163.117 0.0 -1.7 -2.7

Utility (piped) gas service(2)

145.788 145.844 151.283 5.9 3.8 3.7

Household furnishings and operations

90.463 90.365 90.418 1.8 0.0 0.1

Apparel

79.524 79.850 87.534 -4.7 10.1 9.6

Transportation

178.567 179.927 177.932 -4.6 -0.4 -1.1

Private transportation

179.789 180.116 178.364 -2.9 -0.8 -1.0

New and used motor vehicles(4)

98.477 98.531 98.567 3.4 0.1 0.0

New vehicles(1)

174.836 173.124 171.260 0.1 -2.0 -1.1

Used cars and trucks(1)

272.236 288.106 295.325 10.6 8.5 2.5

Motor fuel

209.208 207.903 203.881 -17.5 -2.5 -1.9

Gasoline (all types)

207.227 205.960 201.921 -17.5 -2.6 -2.0

Gasoline, unleaded regular(5)

198.893 197.638 193.494 -17.8 -2.7 -2.1

Gasoline, unleaded midgrade(5)(6)

232.457 231.165 229.295 -15.4 -1.4 -0.8

Gasoline, unleaded premium(5)

234.981 234.048 231.784 -13.8 -1.4 -1.0

Motor vehicle insurance(1)

540.884 540.884 510.182 -4.0 -5.7 -5.7

Medical care

536.764 535.786 538.491 6.2 0.3 0.5

Recreation(4)

114.416 114.536 115.020 1.6 0.5 0.4

Education and communication(4)

141.495 141.498 142.272 0.5 0.5 0.5

Tuition, other school fees, and childcare(1)

1,217.376 1,216.774 1,216.696 1.7 -0.1 0.0

Other goods and services

409.841 409.307 408.328 -0.4 -0.4 -0.2

Commodity and service group

All items

244.046 244.341 245.745 1.4 0.7 0.6

Commodities

167.969 167.792 170.026 0.1 1.2 1.3

Commodities less food and beverages

122.765 123.040 124.276 -2.7 1.2 1.0

Nondurables less food and beverages

162.277 162.400 165.597 -6.3 2.0 2.0

Durables

85.603 85.943 85.843 2.4 0.3 -0.1

Services

316.546 317.348 317.766 2.0 0.4 0.1

Special aggregate indexes

All items less medical care

231.444 231.800 233.149 0.9 0.7 0.6

All items less shelter

215.060 215.141 216.768 1.1 0.8 0.8

Commodities less food

127.554 127.900 129.075 -2.4 1.2 0.9

Nondurables

211.731 211.134 215.030 -0.6 1.6 1.8

Nondurables less food

168.797 169.091 172.006 -5.6 1.9 1.7

Services less rent of shelter(3)

318.504 319.318 319.429 2.1 0.3 0.0

Services less medical care services

299.467 300.387 300.551 1.2 0.4 0.1

Energy

178.678 178.764 176.851 -8.2 -1.0 -1.1

All items less energy

252.176 252.492 254.197 2.0 0.8 0.7

All items less food and energy

251.342 252.029 253.133 1.6 0.7 0.4

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.

 

Last Modified Date: Tuesday, October 13, 2020