Mitchellville, Maryland
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1990	12,593	—
2000	9,611	−23.7%
2010	10,967	14.1%
source:[2][4]

Taking into account the following table concerning 'Mitchellville, Maryland', section 'Demographics', draft a brief sentence that explains what the highlighted cells show and return it as JSON: {"answer": "YOUR ANSWER"}.