Is Manchester growing?

How much Manchester, MO has grown or shrunk since 2015, how that compares with the county, the state and the United States, and how the community's age is changing.

U.S. Census Bureau, American Community Survey 5-year estimates.

This story was assembled using AI and public data sources.

Manchester looks different than it did in 2015.

Population change since 2015: +0.0% — 18,187 residents in 2015 → 18,189 in 2023

Manchester population, 2015 to 2023

2015: 18187
2023: 18189

Growth since 2015

Manchester: 0
St. Louis County: -0.5
MO: 2
U.S.: 5

Median age: 38.5 — U.S. median: 38.7

What it means

Manchester is growing more slowly than the country — +0.0% here versus +5.0% nationally since 2015.

These are estimates, not a head count. ACS 5-year figures average responses collected over five years, so they show direction and scale rather than a single day's population.

Sources

U.S. Census Bureau — American Community Survey (ACS) 5-year estimates — Population, income, housing, education, commuting and poverty figures
Census Bureau API — ACS Detailed Tables — The endpoint these pages are generated from
data.census.gov — Look up the same tables for any place yourself
ACS accuracy statement — Estimates carry margins of error; small places vary the most

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