One of the most popular formats for data is XML. Some people love it, while some hate it. However, almost everyone has to deal with it at some point. While Clojure can use Java's XML libraries, it also has its own package which provides a more natural way to work with XML in Clojure.
First, include these dependencies in your Leiningen
(defproject getting-data "0.1.0-SNAPSHOT" :dependencies [[org.clojure/clojure "1.6.0"] [incanter "1.5.5"]])
Use these libraries in your REPL or program:
(require '[incanter.core :as i] '[clojure.xml :as xml] '[clojure.zip :as zip])
Then, find a data file. I visited the website for the Open Data Catalog for Washington, D.C. (http://data.octo.dc.gov/ ...