Population
340 residents
Census ACS 2023 - Missouri
City profile · Missouri · Census ACS 2023
Armstrong, MO
Population, income, housing, safety, climate and schools for Armstrong - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.
- 340
- Residents
- $39,667
- Median income
- $1,044
- Median rent (state)
Armstrong - the verdict
Armstrong ranks in the 7th percentile for household income nationally, out of every US city with at least 1,000 residents. Source: Census ACS.
- 7th
- percentile, household income
- 24th
- percentile, median rent
📝 How we sourced this
Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.
Data Snapshot: Armstrong, MO
340 people live in Armstrong, Missouri - a small town by U.S. Census Bureau ACS 2023 estimates. Median household income here is $39,667 per year, in the lower quartile of U.S. cities for household income, with a poverty rate of 2.1%. The median resident age is 33.8 years. Educational attainment runs 2.3% of adults with a bachelor's degree or higher. Separately, 68.9% of working-age residents are in the labor force.
Living costs in Missouri run below the national norm: BEA Regional Price Parities 2024 puts Missouri at 90.8 on a 100-equals-national-average scale (Well Below Average). HUD Fair Market Rent for a typical two-bedroom in this state is $1,044 per month. Statewide, average monthly utility bills in Missouri run around $219, per EIA 2023 residential energy data. FEMA's National Risk Index rates natural-hazard exposure at 13.8 out of 100 (Very Low).
Median Household Income
$39,667 /yr
Poverty 2.1%
Cost of Living Index (state)
90.8 (US=100)
Well Below Average - BEA RPP 2024, Missouri average
How does Armstrong compare to other US cities?
Armstrong measured against every US city with 1,000+ residents, computed live from the same Census and FBI data shown throughout this page.
Household income 7% higher than other cities
Median rent 24% pricier than other cities
"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.
How we calculate these percentiles & ranks
Each percentile compares Armstrong against every qualifying US city; each in-state rank narrows that to Missouri only. Full formula and direction notes: methodology.
Missouri-relative analysis
Bachelor's Degree or Higher places Armstrong near the bottom of Missouri's cities
Among the 875 Missouri cities PlainCities tracks with reported bachelor's degree or higher data, Armstrong ranks #832 - the 5th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Armstrong only against its own state's cities, not the full US field.
Median Household Income
#699 of 842
17th percentile in Missouri
Median Gross Rent
#330 of 875
62nd percentile in Missouri
Poverty Rate
#738 of 875
15th percentile in Missouri
Bachelor's Degree or Higher
#832 of 875
5th percentile in Missouri
Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Missouri only, not a livability score. See the methodology for the source and calculation.
7th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.
Income distribution context
Key socioeconomic indicators
Bachelor's degree or higher (adults 25+) 2.3%
Census ACS S1501, educational attainment
Poverty rate (households below FPL) 2.1%
Census ACS S1701, poverty status
Labor force participation (adults 16+) 68.9%
Census ACS S2301, share of working-age residents in the labor force
Population
340
Median Income
$39,667
Median Home Value
N/A
Median Age
33.8
Poverty Rate
2.1%
Labor force participation
68.9%
Bachelor's Degree+
2.3%
Population Change
Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025
Commute Patterns
How workers travel to work, Census ACS 2023
Drive Alone
94.3%
Carpool
4.5%
Public Transit
0.0%
Walk
1.3%
Work from Home
0.0%
Based on 157 workers 16 and over.
Monthly Utility Costs
State-average estimates for Missouri - EIA 2023 residential energy data
Electricity
$105
avg/month
Natural Gas
$72
avg/month
Water & Sewer
$42
avg/month
Total Utilities
$219
estimated/month
Estimates reflect Missouri state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.
Living Costs & Risk
Cost of living is a Missouri state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Armstrong sits in
Cost of Living Index
90.8
Well Below Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$1,044/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
13.8 / 100
Very Low
FEMA NRI composite score (county)
Similar Cities in Missouri
Cities of a Similar Size Nationwide
Population-matched peers from other states, closest to Armstrong's 340 residents (Census ACS 5-Year 2023).
Cities with a Similar Household Income Nationwide
Median-household-income-matched peers from other states, closest to Armstrong's $39,667 (Census ACS 5-Year 2023, table B19013).
Race & Ethnicity Composition
City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.
How Armstrong compares to nearby Missouri cities
Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).
| City | Population | Median Household Income |
|---|---|---|
| Armstrong (this city) | 340 | $39,667 |
| Aurora Springs | 341 | $75,573 |
| Bent Tree Harbor | 342 | N/A |
| Harrisburg | 344 | $51,250 |
Census ACS 5-year FIPS MO OMB Bulletin 23-01
What do people ask about Armstrong, MO?
What is the population of Armstrong, MO? +
340 people live in Armstrong, MO according to U.S. Census Bureau ACS 2023 estimates.
What is the median household income in Armstrong, MO? +
Armstrong households earn a median of $39,667 annually, based on Census ACS 2023 data.
What is the cost of living in Armstrong? +
BEA does not publish a city-level cost-of-living figure for Armstrong; the closest available measure is the Missouri state average, a cost of living index of 90.8 (U.S. average = 100), rated "Well Below Average" based on BEA Regional Price Parities 2024 data. Costs within Missouri vary by metro area.
Source: U.S. Census Bureau ACS 5-Year 2023, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.
Read our methodology - how this data is sourced, computed, and verified.
Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.
Citation & verification links
Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCitiesEvery figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.