In its resting state, the neuron is more negative inside compared to outside. The resting membrane potential is -70 millivolts (mV). The reason for this is because of the distribution of charged ions :
The 2014 Portland, Maine, population is 66,235. There are 3,108 people per square mile (population density). The median age is 36.7. The US median is 37.2. 38.53% of people in Portland, Maine, are married. 13.81% are divorced. The average household size is 2.08 people. 27.60% of people are married, with children. 19.64% have children, but are single.
1 Population 1,572,771 million people live in the Portland Metro area (Multnomah Country which includes most of the City of Portland), Clackamas County (southeast), Washington County (west), and Clark Country (Vancouver area of Washington state).2  Portland Population 583,766 â a gain of 10.3% from 2000 numbers. Population 1,572,771 million people live in the Portland Metro area (Multnomah Country which includes most of the City of Portland), Clackamas County (southeast), Washington County (west), and Clark Country (Vancouver area of Washington state). 2  Portland Population 583,766 â a gain of 10.3% from 2000 numbers.