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.
In 2006, the state added 58,000 people, which is more than the 51,000 it added this year. Assuming this yearâs 1.3 percent rate of growth held steady, which is not assured, Oregon would reach a population of 5 million by the early 2030s. Portland becoming less homogenous.