# Children ages 0 to 17 living in single-parent families in Montana

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**Definitions:**
Children under age 18 who live with their own single parent either in a family or subfamily.

In this definition, single-parent families may include cohabiting couples and do not include children living with married stepparents. Children who live in group quarters (for example, institutions, dormitories, or group homes) are not included in this calculation.

**Data Source:**
U.S. Census Bureau, American Community Survey table B23008, 5-year totals

**Footnotes:**
UPDATED - December 2020

NA - Estimates are suppressed when unreliable or the relative standard error is greater than 30%.

GEOGRAPHY - Data reflect the child’s place of residence.

DATE - ACS data reflect a 5-year pooled estimate. That is, the estimate is the result of data being continuously collected nearly every day for five years.

LIMITATIONS - Characteristics for geographic areas experiencing dynamic change due to things such as an environmental catastrophe (e.g., flood) or a plant closing will be mitigated since these estimates cover five calendar years of data. Caution is needed when using the multiyear estimates for estimating year-to-year change in a particular characteristic. This is because four of the five years in the 5-year estimate overlap with the next year’s estimate. Ideally, trend analysis with multiyear estimates should be done using estimates from non-overlapping periods (i.e., 2006-2010 and 2011-2015).

Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented here through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted roughly as providing a 90 percent probability that the interval defined by the estimate plus or minus the margin of error (the lower and upper confidence bounds) contains the true value. The larger the margin of error, the less confidence one should have that the reported results are close to the true value. Use caution when drawing conclusions based on small numbers, as smaller samples yield larger margins of error. Margins of error corresponding to a 90 percent confidence interval for each estimate can be found at Children ages 0 to 17 living in single-parent families.