The exchange
Share data, unlock more
Every county published here is free to download and always will be. Credits are the other half of the site: contribute a county dataset and you earn them, then spend them on the things that aren't free — fresh vintages, unopened community uploads, and downloads without the ads. 2,844 counties currently pay more than the standard award for the data nobody has yet.
- Counties wanted
- 2,844
- Top multiplier
- ×3.5
- States with a bounty
- 56
- Counties published
- 1,992
How the loop works
What earns credits
Upload a county's parcel layer. It runs through containment, schema and vintage checks before anything is awarded.
- Upload passes the automated checks Geometry lands inside the county, schema and vintage hold up. +10
- Upload matches a reference copy Machine-comparable to a known-good version of the county. +40
- Upload verified by review No reference existed, so a person confirmed it. The most valuable case. +75
- The county has a bounty open Multiplies the award above, by how badly the county is wanted. ×2 – ×5
- You judged a dataset right Endorse or report what you open; paid only when a reviewer agrees. ×2 the spend
- Create an account Enough to open something and see how it works. +5
What credits buy
Nothing on this list is something you need. Published counties are free to anyone, with or without an account.
- Any published county The whole free catalog. Costs an email confirmation and some ads, not credits. Free
- The same download, without the ads The data stays free; skipping the funnel is what costs. −3
- An unverified community upload Passed the checks, not yet confirmed. Honest uncertainty, priced accordingly. −15
- A premium county A current vintage that is not part of the free release. −250
Why one county pays more than another
Bounties are computed nightly from coverage state, not curated. The multiplier tracks how hard the county is to get and how expensive it is to verify once it arrives.
No reference copy to verify against
Nothing exists here to check an upload against, so confirming one takes a person rather than a machine. Hardest to get, dearest to verify, best paid.
1,242 open
No data at all
Nothing published at all. The county is a blank on the map, and the first verified upload opens it for everybody.
1 open
Newest version is stale
There is a snapshot, but it has aged past the point where it is safe to work from. A current one supersedes it.
1,601 open
Paying most right now
Every open bounty
| County | GEOID | State | Award | Reason | Open since |
|---|---|---|---|---|---|
| Mason County | 54053 | WV | ×2 | Newest version is stale — Newest vintage is Sep 2021, 60 months old. | 2026-09-03 |
| McDowell County | 54047 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-02 |
| Mercer County | 54055 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2018, 97 months old. | 2026-09-03 |
| Mineral County | 54057 | WV | ×2 | Newest version is stale — Newest vintage is Dec 2017, 105 months old. | 2026-09-02 |
| Mingo County | 54059 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-03 |
| Monongalia County | 54061 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
| Monroe County | 54063 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2018, 97 months old. | 2026-09-03 |
| Nicholas County | 54067 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2020, 73 months old. | 2026-09-03 |
| Pendleton County | 54071 | WV | ×2 | Newest version is stale — Newest vintage is Mar 2017, 114 months old. | 2026-09-03 |
| Pocahontas County | 54075 | WV | ×2 | Newest version is stale — Newest vintage is Jun 2017, 111 months old. | 2026-09-02 |
| Preston County | 54077 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
| Putnam County | 54079 | WV | ×2 | Newest version is stale — Newest vintage is Dec 2018, 93 months old. | 2026-09-02 |
| Raleigh County | 54081 | WV | ×2 | Newest version is stale — Newest vintage is Feb 2018, 103 months old. | 2026-09-03 |
| Ritchie County | 54085 | WV | ×2 | Newest version is stale — Newest vintage is Aug 2019, 85 months old. | 2026-09-03 |
| Roane County | 54087 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2018, 104 months old. | 2026-09-03 |
| Summers County | 54089 | WV | ×2 | Newest version is stale — Newest vintage is Sep 2018, 96 months old. | 2026-09-03 |
| Taylor County | 54091 | WV | ×2 | Newest version is stale — Newest vintage is Jul 2021, 62 months old. | 2026-09-03 |
| Tucker County | 54093 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2020, 80 months old. | 2026-09-03 |
| Tyler County | 54095 | WV | ×2 | Newest version is stale — Newest vintage is Jul 2019, 86 months old. | 2026-09-03 |
| Upshur County | 54097 | WV | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-09-03 |
| Wayne County | 54099 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-03 |
| Wirt County | 54105 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2018, 104 months old. | 2026-09-03 |
| Wood County | 54107 | WV | ×2 | Newest version is stale — Newest vintage is Jan 2018, 104 months old. | 2026-09-02 |
| Wyoming County | 54109 | WV | ×2 | Newest version is stale — Newest vintage is Dec 2017, 105 months old. | 2026-09-03 |
| Dane County | 55025 | WI | ×2 | Newest version is stale — Newest vintage is Sep 2022, 48 months old. | 2026-09-03 |
| Marathon County | 55073 | WI | ×2 | Newest version is stale — Newest vintage is Jan 2023, 44 months old. | 2026-09-03 |
| Sheboygan County | 55117 | WI | ×2 | Newest version is stale — Newest vintage is Apr 2021, 65 months old. | 2026-09-02 |
| Albany County | 56001 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-03 |
| Campbell County | 56005 | WY | ×2 | Newest version is stale — Newest vintage is Jul 2020, 74 months old. | 2026-09-03 |
| Carbon County | 56007 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-02 |
| Converse County | 56009 | WY | ×2 | Newest version is stale — Newest vintage is Jul 2020, 74 months old. | 2026-09-02 |
| Fremont County | 56013 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-02 |
| Goshen County | 56015 | WY | ×2 | Newest version is stale — Newest vintage is Oct 2019, 83 months old. | 2026-09-03 |
| Johnson County | 56019 | WY | ×2 | Newest version is stale — Newest vintage is Jul 2020, 74 months old. | 2026-09-03 |
| Laramie County | 56021 | WY | ×2 | Newest version is stale — Newest vintage is Feb 2023, 43 months old. | 2026-09-03 |
| Lincoln County | 56023 | WY | ×2 | Newest version is stale — Newest vintage is Feb 2021, 67 months old. | 2026-09-02 |
| Natrona County | 56025 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-03 |
| Niobrara County | 56027 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-03 |
| Park County | 56029 | WY | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-03 |
| Platte County | 56031 | WY | ×2 | Newest version is stale — Newest vintage is Sep 2020, 72 months old. | 2026-09-03 |
| Sublette County | 56035 | WY | ×2 | Newest version is stale — Newest vintage is Nov 2017, 106 months old. | 2026-09-03 |
| Sweetwater County | 56037 | WY | ×2 | Newest version is stale — Newest vintage is May 2017, 112 months old. | 2026-09-02 |
| Uinta County | 56041 | WY | ×2 | Newest version is stale — Newest vintage is Jul 2019, 86 months old. | 2026-09-02 |
| Weston County | 56045 | WY | ×2 | Newest version is stale — Newest vintage is Jul 2020, 74 months old. | 2026-09-03 |
How a bounty closes
A nightly job reads coverage state and opens a bounty where there is no dataset at all, where the newest snapshot has aged past the staleness threshold, or where enough people searched for a county the site could not serve. Nobody hand-picks a county and nobody bids.
The multiplier applies to the standard upload award and stops applying the moment a version for that county reaches verified status — so the first person to fill it takes the premium, the county opens for everybody, and the site stops paying for data it now has.