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Rensselaer
Missouri›Ralls County

RensselaerMO

A town of 249, settled in 1871.

St. Peter's Catholic Church · Photo: Jim Roberts · CC BY-SA 4.0
Photo of Rensselaer

Rensselaer, MO · St. Peter's Catholic Church · Photo: Jim Roberts · CC BY-SA 4.0

Is Rensselaer a good place to live?

Of the 248 Missouri towns we compare, none has a higher share of households owning their home than Rensselaer. Rensselaer has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

249 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Getting set up

Moving to Rensselaer: who provides what

Who provides power, water and the rest in Rensselaer, and how to reach them.

The full setup list →
PowerRalls County Electric CoopEIAHIFLD · EIA
WaterRalls County Pwsd 14 health-based violations in 5 years · EPAEPA
Internet3 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Rensselaer’s trash rules yet
SchoolsMonroe City R-I School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn Missouri you can register online until 27 days before Election Day, in person until 27 days before Election Day, or by mail (postmarked 27 days before).vote.gov
Who runs elections hereRallsRalls County; contacts on the Handbook page.FVAP, Aug 2019
ZIP code6340163401 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Rensselaer.

Work & commute

Most of Rensselaer’s workers head elsewhere: there are 0.1 jobs for each of them

The top destinations are Hannibal (21%), Monroe City (10%) and Columbia (6%). Rensselaer’s mean commuting time is 27 minutes, against 22 minutes in Missouri’s towns and 25 minutes across U.S. towns. 7.8% of residents live below the poverty line in the town. Half commute less than 20 miles.

0%work in town
RensselaerMissouri townsU.S. towns
Average trip to work27 minutes22 minutes25 minutes
Below the poverty line7.8%14%9.6%
Median household income$78,000$62,000$80,000

Where working residents work

In Rensselaer0%
Hannibal21%
Monroe City10%
Columbia6%
Jefferson City4%
20 mi
median commute distance
10
jobs based in Rensselaer
A commuter town
jobs vs. working residents

Census LEHD 2023 · ACS

Climate

Four seasons and pleasant summers in Rensselaer

A winter brings about 13 inches of snow, with January nights at 19° and July afternoons at 86°.

13″snow a winter

Typical low → high °F

Winter22–39°
Spring43–63°
Summer65–85°
Fall45–66°
Oct 27
typical first frost
Apr 10
typical last frost
+0.6°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Who lives here

Compared with most of Missouri and the rest of the country, the median age in Rensselaer is higher

Four-year graduates: nearly a quarter of adults 25 and older here, 32% across Missouri. People 65 and older are just over a quarter of residents (18% statewide); adults 18 to 34 are 17% of residents (22% statewide).

50.1median age · MO 39
RensselaerMissouri townsU.S. towns
Median age50.1 years38.5 years40.5 years
Bachelor’s degree or more, 25+23%22%29%
RensselaerMissouriUnited States

Ages · share of residents

Education · adults 25 and older

No diploma9%
High school39%
Some college21%
Associate’s8%
Bachelor’s16%
Graduate7%

Women and men · all residents

55% women, 45% men

That’s an even split within the survey’s margin of ±8.6 points. Across Missouri, 50.7% of residents are women.

Ages and education in Rensselaer
RensselaerMOU.S.
Under 1013.6%11.9%11.6%
10 to 178.2%10.4%10.3%
18 to 246.2%9.1%9.1%
25 to 3411.1%13.2%13.7%
35 to 447.4%12.8%13.2%
45 to 5410.7%11.6%12.2%
55 to 6416.9%13%12.7%
65 to 7414%10.6%10.2%
75 and older11.9%7.3%7%
No diploma8.6%8.1%10.4%
High school38.9%30.2%26%
Some college21.1%20.8%19.1%
Associate’s8%8.4%8.8%
Bachelor’s16%19.8%21.6%
Graduate7.4%12.6%14.1%

U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 200, single groups can be off by several points

Health

How healthy Rensselaer is

Rensselaer: just over a quarter of adults have been diagnosed with depression, where Missouri’s towns sit at 25% and U.S. towns at 23%. The share of adults in Rensselaer who report frequent physical distress: 16%.

RensselaerMissouri townsU.S. towns
Smoke cigarettes (CDC PLACES)19%17%14%
Obesity (CDC PLACES)41%38%35%
Frequent physical distress (CDC PLACES)16%15%14%
Get no exercise (CDC PLACES)31%30%25%
32 measures vs. Missouri
0 better30 too close to call2 worse
What stands outRensselaerMO
More adults with COPD9.7%8%
More adults with arthritis33.1%28.8%
Hannibal Regional Hospital
4.7 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Natural hazards

The biggest natural risk in Rensselaer is inland flooding, at a moderate overall level

FEMA puts 48% of Rensselaer’s expected hazard losses down to inland flooding, and 19% to heat waves. Compared with 54% of U.S. communities, expected storm and flood damage locally is higher.

54risk score of 100
FEMA risk score
54Moderate riskLowerHigher
Inland floodingHeat wavesCold waves

FEMA National Risk Index · OpenFEMA

1
homes sold in May

Zillow Home Value Index · Redfin Data Center

Nearby attractions

Mark Twain Cave and 3 more within 40 miles

Museums, parks, gardens and other places to visit around Rensselaer. Close and well known come first.

All 5 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Mark Twain Cave: Jonathunder, GFDL 1.2 · Mark Twain Boyhood Home & Museum: Jonathunder, GFDL 1.2 · New Philadelphia National Historic Site: Nyttend, Public domain · John Wood Mansion: Smallbones, Public domain

Keep exploring

Everything we know about Rensselaer

16pages on Rensselaer
After high school

Colleges nearby

1 within 15 miles of the center of Rensselaer

A commuter town

100% of working residents leave Rensselaer for work

Where Rensselaer’s working residents go each day. Line width shows the share.

21% → Hannibal Hannibal 21% 10% → Monroe City Monroe City 10% 6% → Columbia Columbia 6% 4% → Jefferson City Jefferson City 4% 3% → Quincy Quincy 3% 3% → Mexico Mexico 3% Rensselaer · 0% stay
10jobs based in Rensselaer
0%of working residents work in town
20 mimedian commute distance

Census LEHD 2023

About Rensselaer

Village in Missouri, United States

Rensselaer ( REN-səl-ər) is a village in Ralls County, Missouri, United States. The population was 253 at the 2020 census. It is part of the Hannibal Micropolitan Statistical Area.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
2.0 sq mi
Elevation
699 ft

Questions about Rensselaer

Short answers, built from the data on this page.

Is Rensselaer, MO a good place to live?

Rensselaer has fewer than 1,000 residents, too few for fair grades; the figures below are still real.