CONTEXT: Many community based reproductive health programs use their program data to monitor progress toward goals. However, using such data to assess programmatic impact on outcomes such as contraceptive use poses methodological challenges. ...METHODS: Data on 33,162 women collected in 2013 2015 as part of a large scale community based reproductive health initiative were used to produce population level estimates of the contraceptive prevalence rate CPR and modern contraceptive prevalence rate mCPR among married women aged 15 49 in Pakistan's Korangi District. ...