Residential delivery area · Missouri
ZIP Code 63023: Dittmer, MO
ZIP code 63023 uses the postal name Dittmer, Missouri and lies entirely in Jefferson County (Census 2020 ZIP-county file). About 5,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $79,583 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dittmer · its only residential ZIP
- County
- Jefferson County
- Metro area
- St. Louis, MO-IL
- House district
- MO-3 119th Congress
- State
- Missouri
- Time zone
- Central
- Land area
- 64.4 sq mi · 78 people per sq mi
Where is ZIP code 63023?
63023 centers on 38.269°, -90.699° and covers 64.4 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 63041, 63050, 63016, 63030, 63015, 63072, 63071, 63020.
The map draws ZIP code areas only. For the streets inside 63023, 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 63023 compare with the rest of Jefferson County?
| Measure | 63023 | In Jefferson County | In MO |
|---|---|---|---|
| People (ACS 2020-2024) | 5,002 | 15th of 25 | 287th of 1,035 |
| Median household income | $80k | 12th of 17 | 137th of 479 |
| Median home value | $213k | 15th of 20 | 209th of 494 |
Its median household income is higher than in 61% of U.S. residential ZIP codes, and it is denser than 50% 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 63023?
The 2020 Census counted 4,844 people in 63023; the ACS, which samples households over 2020-2024, estimates 5,002. Between the 2010 and 2020 censuses its population fell 16.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,002±991 (90% margin)
- 2020 Census count
- 4,844−16.9% since 2010 (5,831)
- Households
- 1,895
- Median age
- 39.8
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 63023?
Of the 5,002 people the ACS estimates in 63023, 22.8% are under 18 and 18.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.9%).
- Under 1822.8%
- 18 to 6459.0%
- 65 and older18.2%
- White, not Hispanic88.9%
- Other or two or more10.0%
- Hispanic or Latino0.5%
- Asian, not Hispanic0.3%
- Black, not Hispanic0.3%
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 63023 earn?
Median household income is $79,583 (ACS 2020-2024), the 12th highest of the 17 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($67,720 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $79,583±$16,652
- Income per person
- $33,441
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 20.4%
- Adjusted gross income per tax return, 2022
- $65,0692,210 returns; wages 72% 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 63023?
FHFA's house price index for 63023, built from repeat sales and appraisals of the same homes, rose 84% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +20.2% in 2025.
- Median home value (owners' estimate)
- $212,800
- Median gross rent
- $1,045
- Homes owned by their occupants
- 88.3%
- Housing units
- 2,034
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 63023?
53 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction17
- Other services (except public administration)7
- Administrative and support and waste management and remediation services5
- Transportation and warehousing4
- Professional, scientific, and technical services4
- Health care and social assistance4
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 63023?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 63041 | Grubville | 309 | $69k | 4.2 mi |
| 63050 | Hillsboro | 18,744 | $87k | 6.5 mi |
| 63016 | Cedar Hill | 6,459 | $86k | 6.6 mi |
| 63030 | Fletcher | 557 | $91k | 9.1 mi |
| 63015 | Catawissa | 1,939 | $89k | 9.3 mi |
| 63072 | Robertsville | 3,469 | $80k | 9.5 mi |
| 63071 | Richwoods | 1,113 | $45k | 10.5 mi |
| 63020 | De Soto | 20,166 | $71k | 13.1 mi |
| 63061 | Luebbering | 216 | $99k | 6.1 mi (near) |
| 63060 | Lonedell | 2,192 | $55k | 9.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.