Guest, Sign inJoin

Post to Green Castle

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
Missouri›Sullivan County

Green CastleMO

This town of 211 people was settled in 1856.

Is Green Castle a good place to live?

No town among the 248 in Missouri we compare has a lower typical July afternoon high than Green Castle. Green Castle has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

211 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 Green Castle: who provides what

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

The full setup list →
PowerNorth Central MO Elec CoopEIAHIFLD · EIA
WaterGreen Castle PWSNo health-based violations in 5 years · EPAEPA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Green Castle’s trash rules yet
SchoolsGreen 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 hereSullivanSullivan County; contacts on the Handbook page.FVAP, Aug 2019
ZIP code6354463544 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 Green Castle.

Work & commute

Most of Green Castle’s workers head elsewhere: there are 0.0 jobs for each of them

In Green Castle, the typical journey to work is 25 minutes, above Missouri’s towns (22 minutes) and close to U.S. towns (25 minutes). Its typical household income comes in at $50,000. The top destinations are Green City (21%), Kirksville (16%) and Milan (15%). 7.8% of residents live below the poverty line locally.

0%work in town
Green CastleMissouri townsU.S. towns
Median household income$50,000$62,000$80,000
Below the poverty line7.8%14%9.6%
Average trip to work25 minutes22 minutes25 minutes

Where working residents work

In Green Castle0%
Green City21%
Kirksville16%
Milan15%
Unionville3%
16 mi
median commute distance
1
jobs based in Green Castle
A commuter town
jobs vs. working residents

Census LEHD 2023 · ACS

Climate

Compared with most of Missouri and the rest of the country, a typical January night in Green Castle is colder

The seasons in Green Castle: chilly winters, warm summers. July afternoons reach 86°, January nights drop to 16° and about 19 inches of snow falls in a winter.

19″snow a winter

Typical low → high °F

Winter19–37°
Spring41–62°
Summer63–84°
Fall43–64°
Oct 14
typical first frost
Apr 26
typical last frost
+0.6°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Housing

Green Castle’s typical home value is about $227K

Home values are up 4% over the year to September 2026. Among households in Green Castle, 64% own their home.

$227KZillow home value

Typical home value

Green Castle$227K
Missouri$265K
+4%
value change, 1 year

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Health

How healthy Green Castle is

For adults in Green Castle, the share who report frequent mental distress is 18%. The town beats the Missouri average on 1 of 32 CDC measures and trails it on 9. Also worth knowing: 17% of Green Castle adults report frequent physical distress, above both the Missouri town median (15%) and the median of U.S. towns (14%). In Green Castle, just over two in five adults have high blood pressure, and 33% get no exercise outside work.

Green CastleMissouri townsU.S. towns
Frequent physical distress (CDC PLACES)17%15%14%
High blood pressure (CDC PLACES)42%37%35%
Get no exercise (CDC PLACES)33%30%25%
Diabetes (CDC PLACES)14%12%12%
32 measures vs. Missouri
1 better22 too close to call9 worse
What stands outGreen CastleMO
More adults treating high blood pressure81%77.2%
More adults with COPD11%8%
Sullivan County Memorial Hospital
14.1 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 Green Castle is inland flooding, at a moderate overall level

Federal aid has come to Green Castle households in 6 declared disasters; the latest was in 2019. FEMA expects less storm and flood damage locally than in 56% of U.S. communities. 31% of the town’s expected losses from natural hazards come from inland flooding, followed by tornadoes at 22%.

44risk score of 100
FEMA risk score
44Moderate riskLowerHigher
Inland floodingTornadoesCold waves
6
federal disasters paid out here

FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA

Keep exploring

Everything we know about Green Castle

15pages on Green Castle
After high school

Colleges nearby

None within 15 miles of Green Castle; the nearest are

A commuter town

100% of working residents leave Green Castle for work

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

21% → Green City Green City 21% 16% → Kirksville Kirksville 16% 15% → Milan Milan 15% 3% → Unionville Unionville 3% 3% → Town and Country Town and Country 3% 3% → Jefferson City Jefferson City 3% Green Castle · 0% stay
1jobs based in Green Castle
0%of working residents work in town
16 mimedian commute distance

Census LEHD 2023

About Green Castle

City in Missouri, United States

Greencastle is a city in eastern Sullivan County, Missouri, United States. The population was 224 at the 2020 census.

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

Area
0.5 sq mi
Elevation
1,043 ft
ZIP code
63544
Area code
660

Questions about Green Castle

Short answers, built from the data on this page.

Is Green Castle, MO a good place to live?

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