| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 686 / 804 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:55:29 PM |
| Population: | 111,732 [See All] |
| FIPS: | 51085 |
| CBSA: | Richmond, VA |
| Land Area: | 510 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 37.7580, -77.4655 |
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111,732 residents live across 9 ZIPs covering 510 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 99,014 to 111,732 from 2014 to 2024 — a +12.8% change. 6 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 23116 (Mechanicsville, $141,711 median) and poorest ZIP 23047 (Doswell, $81,136) are 15.3 miles apart — a 1.7× income gap across local geography.
Median home values vary 1.3× across this county — from $348,200 in 23111 (Mechanicsville) to $464,400 in 23146 (Rockville).
Density varies 19× across the county — from 31 people/sq mi in 23047 (Doswell) to 588 in 23116 (Mechanicsville).
Educational attainment ranges from 26.3% bachelor's+ in 23069 (Hanover) to 53.8% in 23116 (Mechanicsville) — the breadth of educational profiles across the area.
Within Virginia, this is the #16 most populous of 134 counties and ranks #25 for median household income with the #21 fastest decade growth .
Weighted by population, the typical household earns about $111,567 across the county — reflecting what a typical resident sees, not a simple ZIP average.
41.7% of adults age 25+ hold a bachelor's degree or higher (32,618 of 78,292 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 23111 | Mechanicsville | Standard | 38,070 | $98,969 | 79.4 | 3.0% |
| 23116 | Mechanicsville | Standard | 34,188 | $141,711 | 58.1 | 23.1% |
| 23005 | Ashland | Standard | 19,987 | $89,335 | 72.4 | 32.6% |
| 23192 | Montpelier | Standard | 6,629 | $110,642 | 68.9 | -0.9% |
| 23015 | Beaverdam | Standard | 4,601 | $113,771 | 87.8 | 2.5% |
| 23146 | Rockville | Standard | 3,451 | $119,583 | 32.8 | 12.4% |
| 23069 | Hanover | Standard | 3,425 | $83,453 | 67.0 | 0.6% |
| 23047 | Doswell | Standard | 1,381 | $81,136 | 43.9 | -11.4% |
| 23162 | Studley | PO Box | — | — | 0.0 | — |