Population Size Class D (under 50,000) - Consumer Price Index for All Urban Consumers: Education and Communication in Size Class D (DISCONTINUED) was 143.62200 Index Dec 1997=100 in July of 2017, according to the United States Federal Reserve. Historically, Population Size Class D (under 50,000) - Consumer Price Index for All Urban Consumers: Education and Communication in Size Class D (DISCONTINUED) reached a record high of 147.99900 in January of 2016 and a record low of 99.80000 in January of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Size Class D (under 50,000) - Consumer Price Index for All Urban Consumers: Education and Communication in Size Class D (DISCONTINUED) - last updated from the United States Federal Reserve on September of 2025.