25 ZIP Code Tabulation Areas in Jefferson County, Missouri. The population-weighted median household income is about $86,395, the median home value about $254,929, and 81.9% of occupied homes are owner-occupied.
- 25
- ZIP codes
- 306.7K
- Population
- 53
- Data points
Jefferson County at a glance
- $86,395
- Median household income
- $254,929
- Median home value
- 40.9
- Median age
- 81.9%
- Owner-occupied
- 124,688
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Jefferson County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 63025 | Byrnes Mill | 19,508 | 83.2% | $125,676 |
| 2 | 63026 | Fenton | 45,354 | 80.3% | $97,553 |
| 3 | 63012 | Barnhart | 10,314 | 92% | $96,099 |
| 4 | 63052 | Imperial | 28,712 | 85% | $92,922 |
| 5 | 63049 | Byrnes Mill | 16,592 | 88% | $92,333 |
Top 5 Jefferson County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 63026 | Fenton | 45,354 | 80.3% | $97,553 |
| 2 | 63010 | Arnold | 34,478 | 79.1% | $79,784 |
| 3 | 63052 | Imperial | 28,712 | 85% | $92,922 |
| 4 | 63028 | Crystal City | 28,457 | 76.5% | $79,737 |
| 5 | 63020 | Briarwood Estates | 20,166 | 80.1% | $70,824 |
Top 5 Jefferson County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 63026 | Fenton | 45,354 | 80.3% | $97,553 | $1.4B |
| 2 | 63010 | Arnold | 34,478 | 79.1% | $79,784 | $876.4M |
| 3 | 63052 | Imperial | 28,712 | 85% | $92,922 | $841.6M |
| 4 | 63025 | Byrnes Mill | 19,508 | 83.2% | $125,676 | $722.8M |
| 5 | 63028 | Crystal City | 28,457 | 76.5% | $79,737 | $675.1M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 63053 (Kimmswick) at 1,960 people/sq mi. Least dense: 63041 at 24 people/sq mi.
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