Residential delivery area · Missouri

ZIP Code 63456: Monroe City, MO

ZIP code 63456 uses the postal name Monroe City, Missouri and lies mostly in Marion County (39% of its land), reaching into Ralls County and Monroe County (Census 2020 ZIP-county file). About 4,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $64,160 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Monroe City; 98% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2024
  • ZBP2023
  • IRS2022
6national area: Missouri, Illinois, Kansas and Nebraska
634sectional center: St Louis, MO (SCF 630)
56delivery area within it
Town
Monroe City · its only residential ZIP
County
Marion County (39%); Ralls County (34%); Monroe County (27%)
Census places
Monroe City
Micro area
Hannibal, MO
House district
MO-6 119th Congress
Time zone
Central
Land area
181.9 sq mi · 26 people per sq mi

Where is ZIP code 63456?

63456 centers on 39.654°, -91.727° and covers 181.9 square miles of land plus 5.2 of water. It borders 8 ZIP codes: 63443, 65283, 63439, 63461, 63463, 63401, 63436, 63462.

63401 · Hannibal63436 · Center63439 · Emden63443 · Hunnewell63461 · Palmyra63462 · Perry63463 · Philadelphia65283 · Stoutsville63456 · Monroe City (this ZIP)63456634616340163462634366528363443634636343963401 · Hannibal63436 · Center63439 · Emden63443 · Hunnewell63461 · Palmyra63462 · Perry63463 · Philadelphia65283 · Stoutsville63456 · Monroe City (this ZIP)63456634616340163462634366528363443634636343963401 · Hannibal63436 · Center63439 · Emden63443 · Hunnewell63461 · Palmyra63462 · Perry63463 · Philadelphia65283 · Stoutsville63456 · Monroe City (this ZIP)634566346163401634626343665283634436346363439
Shaded by median household income, in national fifths (ACS 2020-2024); 63456 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 63456, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 63456 compare with the rest of Marion County?

Rank of 63456 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure63456In Marion CountyIn MO
People (ACS 2020-2024)4,7493rd of 10296th of 1,035
Median household income$64k3rd of 4245th of 479
Median home value$161k2nd of 3356th of 494

Its median household income is higher than in 37% of U.S. residential ZIP codes, and it is denser than 30% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 63456?

The 2020 Census counted 4,432 people in 63456; the ACS, which samples households over 2020-2024, estimates 4,749. Between the 2010 and 2020 censuses its population grew 3.8% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
4,749±546 (90% margin)
2020 Census count
4,432+3.8% since 2010 (4,271)
Households
1,727
Median age
39.3

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 63456?

Of the 4,749 people the ACS estimates in 63456, 25.9% are under 18 and 18.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.9%).

  • Under 1825.9%
  • 18 to 6455.6%
  • 65 and older18.5%
Age of the people of 63456 (ACS 2020-2024, B01001)
  • White, not Hispanic88.9%
  • Black, not Hispanic6.2%
  • Other or two or more3.6%
  • Hispanic or Latino1.3%
  • Asian, not Hispanic0.0%
Race and Hispanic origin in 63456 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 63456 earn?

Median household income is $64,160 (ACS 2020-2024), the 3rd highest of the 4 ranked ZIP codes in Marion County. It is not measurably different from 2015-2019 ($55,660 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$64,160±$7,433
Income per person
$28,511
Below the poverty line
9.9%
Unemployed (of the labor force)
1.1%
Adults 25+ with a bachelor's degree
22.6%
Adjusted gross income per tax return, 2022
$62,7072,010 returns; wages 66% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 63456?

Median home value (owners' estimate)
$161,200
Median gross rent
$671
Homes owned by their occupants
61.7%
Housing units
2,451
0 50 100 150 200 250 19962000201020202024 0 50 100 150 200 250 19962000201020202024 0 50 100 150 200 250 19962000201020202024
Index = 100 in 1996, the first year FHFA reports for 63456; 2024: 240.3. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental. FHFA's series for 63456 stops in 2024: it publishes no ZIP index for a year with too few repeat sales.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 63456?

112 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).

  • Retail trade23
  • Accommodation and food services16
  • Health care and social assistance14
  • Other services (except public administration)9
  • Manufacturing8
  • Wholesale trade7

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 63456?

ZIP codes that share a boundary with 63456, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
63443Hunnewell393$42k7.6 mi
65283Stoutsville546$40k11.3 mi
63439Emden183$34k12.5 mi
63461Palmyra5,446$70k13.7 mi
63463Philadelphia711$70k14.0 mi
63401Hannibal21,489$60k14.1 mi
63436Center1,199$57k14.5 mi
63462Perry1,335$51k16.3 mi
63468Shelbina2,314$46k15.6 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.