Residential delivery area · Missouri
ZIP Code 63077: Saint Clair, MO
ZIP code 63077 uses the postal name Saint Clair, Missouri and lies entirely in Franklin County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $56,281 (Census Bureau, ACS 2020-2024). By Census place, its land lies in St. Clair (5%), Lake St. Clair (under 1%) and Parkway (under 1%); 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Clair · its only residential ZIP
- County
- Franklin County
- Census places
- St. Clair (5%); Lake St. Clair (under 1%) census-designated place; Parkway (under 1%)
- Metro area
- St. Louis, MO-IL
- House district
- MO-2 119th Congress
- State
- Missouri
- Time zone
- Central
- Land area
- 87.7 sq mi · 130 people per sq mi
Where is ZIP code 63077?
63077 centers on 38.329°, -90.984° and covers 87.7 square miles of land plus 0.3 of water. It borders 6 ZIP codes: 63084, 63060, 63079, 63072, 63080, 63013.
The map draws ZIP code areas only. For the streets inside 63077, 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 63077 compare with the rest of Franklin County?
| Measure | 63077 | In Franklin County | In MO |
|---|---|---|---|
| People (ACS 2020-2024) | 11,391 | 6th of 23 | 173rd of 1,035 |
| Median household income | $56k | 12th of 13 | 346th of 479 |
| Median home value | $178k | 14th of 15 | 293rd of 494 |
Its median household income is higher than in 23% of U.S. residential ZIP codes, and it is denser than 57% 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 63077?
The 2020 Census counted 11,874 people in 63077; the ACS, which samples households over 2020-2024, estimates 11,391. Between the 2010 and 2020 censuses its population grew 0.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,391
- 2020 Census count
- 11,874+0.6% since 2010 (11,798)
- Households
- 4,692
- Median age
- 39.2
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 63077?
Of the 11,391 people the ACS estimates in 63077, 23.3% are under 18 and 18.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.4%).
- Under 1823.3%
- 18 to 6458.6%
- 65 and older18.0%
- White, not Hispanic89.4%
- Other or two or more8.2%
- Hispanic or Latino1.8%
- Black, not Hispanic0.3%
- Asian, 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 63077 earn?
Median household income is $56,281 (ACS 2020-2024), the 12th highest of the 13 ranked ZIP codes in Franklin County. It is not measurably different from 2015-2019 ($62,056 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $56,281±$7,199
- Income per person
- $29,584
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 7.2%
- Adults 25+ with a bachelor's degree
- 15.3%
- Adjusted gross income per tax return, 2022
- $54,8445,280 returns; wages 76% 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 63077?
FHFA's house price index for 63077, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved +8.8% in 2025.
- Median home value (owners' estimate)
- $178,200
- Median gross rent
- $957
- Homes owned by their occupants
- 69.8%
- Housing units
- 5,224
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 63077?
221 business establishments had a location in this ZIP code in 2023, 39 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction37
- Other services (except public administration)32
- Retail trade28
- Accommodation and food services23
- Health care and social assistance22
- Manufacturing20
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 63077?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 63084 | Union | 20,708 | $76k | 6.7 mi |
| 63060 | Lonedell | 2,192 | $55k | 7.5 mi |
| 63079 | Stanton | 60 | – | 7.6 mi |
| 63072 | Robertsville | 3,469 | $80k | 9.5 mi |
| 63080 | Sullivan | 13,124 | $67k | 9.4 mi |
| 63013 | Beaufort | 1,136 | $99k | 10.5 mi |
| 63061 | Luebbering | 216 | $99k | 10.2 mi (near) |
| 63089 | Villa Ridge | 5,662 | $73k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.